The purpose of the present invention is to provide a collision avoidance system device that can avoid, with high accuracy, a collision with a moving object that appears out of a blind spot area. In order to achieve this purpose, a vehicle control device (100) calculates indirect moving object information including position, moving direction, and moving speed of a moving object (204) on the basis of indirect information of the moving object (204) detected by moving object detection devices (111, 112), sets reliability of the indirect moving object information on the basis of clarity of the indirect information and stability of the moving direction, and controls, on the basis of the indirect moving object information, a vehicle (110) so as to avoid a collision between the vehicle (110) and the moving object (204) if the moving object detection device (111) cannot detect direct information and the reliability is equal to or greater than a prescribed threshold.
A log collection device 4 comprises: a transmission unit 41 that transmits, to a plurality of vehicle-mounted devices 5-7, 65-67, data including a log request instruction for causing the plurality of vehicle-mounted devices 5-7, 65-67 to transmit logs; a reception unit 42 that receives data including the logs transmitted by the vehicle-mounted devices 5-7, 65-67 in accordance with the log request instruction; a communication load determination unit 43 that determines communication loads of communication between the vehicle-mounted devices 5-7, 65-67 and the transmission unit 41 and communication between the vehicle-mounted devices 5-7, 65-67 and the reception unit 42; and a log storage control unit 20 that calculates a transmission timing for causing each of the vehicle-mounted devices 5-7, 65-67 to transmit the log to the reception unit 42 on the basis of the communication loads determined by the communication load determination unit 43. The transmission unit 41 transmits, to each of the vehicle-mounted devices 5-7, 65-67, the log request instruction including the transmission timing calculated by the log storage control unit 20.
A controller (21) serving as a control apparatus controls a shock absorber (7, 10) that serves as a force generation mechanism. The controller (21) comprises a distance delay output processing unit (22E), a pitch rate calculation/determination unit (22J), and a correction value calculation unit (22K). The distance delay output processing unit (22E) determines an estimated unsprung acceleration value on a rear wheel (4) side of a vehicle (1) on the basis of an unsprung acceleration on a front wheel (3) side. The pitch rate calculation/determination unit (22J) detects a nose-down state of a vehicle body (2). The correction value calculation unit (22K) corrects the estimated unsprung acceleration value on the rear wheel (4) side on the basis of output from the pitch rate calculation/determination unit (22J).
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
4.
CONTROL DEVICE AND CONTROL METHOD FOR ELECTRIC MOTOR
Provided are a control device and a control method for an electric motor, which do not adversely affect the detection accuracy of a direct current estimation value even when a control mode of a power conversion unit is changed. A control device for an electric motor comprises a power conversion unit 10 and a control unit 11 for controlling the power conversion unit, and further comprises: a control mode setting unit 30 that selectively sets a plurality of control modes for the power conversion unit 10; and a direct current estimation unit 32 that estimates the value of a direct current flowing through the power conversion unit, on the basis of the value of an alternative current flowing through the electric motor and an on-duty value of a PWM signal for controlling the power conversion unit. The direct current estimation unit 32 comprises an energization-time correction unit 40 that, when the polarity of the alternative current is on the negative side, adds a dead time ⊿t existing between on-timing and off-timing of an upper arm 12u and a lower arm 13u to an energization time of the upper arm. The energization-time correction unit obtains the dead time ⊿t corresponding to a currently-executed control mode among the plurality of control modes, and adds said dead time ⊿t to the energization time of the upper arm 12u.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02M 7/42 - Conversion of DC power input into AC power output without possibility of reversal
This control device for a synchronous motor comprises: a phase difference calculation unit that calculates a phase difference between a d-q coordinate system based on the rotor position of the synchronous motor and a dc-qc coordinate system used for controlling the synchronous motor; a first magnetic flux calculation unit that has a magnetic flux map representing the magnetic flux characteristics of the synchronous motor, and uses the magnetic flux map to obtain a first magnetic flux value representing the magnetic flux of the synchronous motor in the d-q coordinate system; and a second magnetic flux calculation unit that calculates a second magnetic flux value representing the magnetic flux of the synchronous motor in the dc-qc coordinate system. The phase difference calculation unit calculates the phase difference on the basis of the first magnetic flux value and the second magnetic flux value.
H02P 21/24 - Vector control not involving the use of rotor position or rotor speed sensors
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
This intake control device (1) achieves a reduction in size in a direction along a throttle shaft (6). The intake control device (1) comprises: the throttle shaft (6) that holds a throttle valve (5) for opening and closing an intake passage (2) in a throttle body (4), the throttle shaft (6) being supported by the throttle body (4); and an opening degree sensor (7) that detects the opening degree of the throttle valve (5). The opening degree sensor (7) comprises: a rotor (9) connected to the throttle shaft (6) via a protruding and recessed fitting part (8); and a Hall element (11) that outputs an electric signal corresponding to the rotational position of the rotor (9). The protruding and recessed fitting part (8) is located inside the throttle body (4).
The present invention reduces the man-hours required to analyze cyber attack methods. This attack method analysis assistance device comprises a processor and a memory, and is characterized in that: the memory stores protected assets and attack methods of cyber attacks on the protected assets in association with each other, the protected assets being any of functions of system elements that constitute an information processing system, data that are processed by the functions of system elements, functions of software that constitute the system elements, or data that are processed by the software functions; and the processor identifies, on the basis of information received from a user via an input device, a protected asset subject to analysis, finds similarities between the protected asset subject to analysis and the protected assets stored in the memory, identifies, on the basis of the similarities, an attack method on the protected asset subject to analysis from the attack methods associated with the protected assets stored in the memory, and causes an output device to output the identified attack method on the protected asset subject to analysis.
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
8.
VEHICLE DATA CERTIFICATION METHOD, VEHICLE-MOUNTED ELECTRONIC DEVICE, AND VEHICLE DATA CERTIFICATION SYSTEM
Provided is a vehicle data certification method performed by a vehicle data certification system, the vehicle data certification system comprising a vehicle-mounted electronic device and an out-of-vehicle management device connected to the vehicle-mounted electronic device via a network. In the vehicle data certification method: the vehicle-mounted electronic device transmits, to the out-of-vehicle management device, a conversion method for converting held secret information into other information, a communication parameter used in the conversion method, and second generated information generated using first generated information generated by the vehicle-mounted electronic device; the vehicle-mounted electronic device acquires third generated information generated by the out-of-vehicle management device; and the vehicle-mounted electronic device generates a certification value using the first generated information, the third generated information, and the communication parameter in accordance with the conversion method, and transmits, to the out-of-vehicle management device, certification information that is required by a zero-knowledge proof protocol and that includes the generated certification value.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
According to the present invention, a log management device for managing log recording by a plurality of in-vehicle devices comprises a log management device communication unit for receiving management information on available capacity for recording a log from any of the in-vehicle devices, and a proxy recording destination determination unit for determining, on the basis of the management information received by the log management device communication unit, an in-vehicle device for recording a log in place of the in-vehicle device that transmitted the management information, wherein the log management device communication unit transmits a command, to the in-vehicle device that transmitted the management information, requesting log transmission to the in-vehicle device determined by the proxy recording destination determination unit.
dd) exceeds a predetermined threshold value; and a filter unit for filtering electrical angular velocity of the electric motor. The filtering by the filter unit is stopped and the predetermined threshold value is raised if the rate of change in the electrical angular velocity reaches or exceeds a predetermined value.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02P 21/22 - Current control, e.g. using a current control loop
This vehicle control device and this vehicle control method are configured to acquire vehicle momentum, such as lateral acceleration, generated in a vehicle and to control, when a steering device is automatically steered, the operation amount of a steering input member of the steering device on the basis of the vehicle momentum, such control being independent of the tire angle of the vehicle. As a result, during automatic steering, the operation amount of the steering input member can be safely and automatically controlled while information on the direction into which the vehicle turns is presented to a driver via a change in the operation amount of the steering input member.
According to the steering control device, steer-by-wire system and steering control method according to the present invention, in a vehicle comprising the steer-by-wire system, when the deviation in a turning angle of a turning wheel in relation to an operating position of a steering input member is greater than or equal to a predetermined value, first control for controlling the output of a first actuator for applying torque to the steering input member so as to minimise the deviation is executed, and when a predetermined condition serving as a trigger is satisfied, second control for controlling the output of the first actuator such that the operating position of the steering input member does not move is executed in preference to the first control. As a result, both the safety of the steer-by-wire system and the convenience for the driver when getting on and off are achieved.
A vehicle architecture design assistance device that, with regard to a vehicle control system in which a plurality of logical functions are distributed and arranged among a plurality of physical elements, evaluates the logical function arrangement in the vehicle control system on the basis of a logical architecture representing relationships between the plurality of logical functions, and a physical architecture representing relationships between the plurality of physical elements, said vehicle architecture design assistance device comprising: a logical function information acquisition unit that acquires logical function information including one or more logical functions constituting a function under evaluation that is designated in the logical architecture, and the order of execution of the one or more logical functions; a first physical element extraction unit that extracts, from the plurality of physical elements, a first physical element group corresponding to the function under evaluation, on the basis of the logical function information; a second physical element extraction unit that extracts, from the plurality of physical elements, a second physical element group that is activated in the physical architecture in correspondence with the first physical element group during the execution of the function under evaluation; and an evaluation value calculation unit that calculates a total evaluation value for the logical function arrangement with regard to the function under evaluation, on the basis of the second physical element group.
G06F 30/15 - Vehicle, aircraft or watercraft design
B62D 65/00 - Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
G06F 30/20 - Design optimisation, verification or simulation
14.
SOFTWARE DESIGN INFORMATION RECOMMENDATION SYSTEM AND SOFTWARE DESIGN INFORMATION RECOMMENDATION METHOD
This software design information recommendation system comprises: a trained AI model trained on the basis of a plurality of past software information items in which past software design information that is design information of past software being software developed in the past is associated with an evaluation index value related to evaluation of the past software; a request input unit to which request evaluation information that is an evaluation index value requested for software under development is inputted; and a reverse analysis unit that, by analyzing the training content of the trained AI model in a direction opposite to a prediction processing order of the trained AI model, determines and outputs recommended design information recommended for the software under development to obtain the request evaluation information.
This electronic device comprises: a circuit board on which an electronic component is mounted; a conductive housing that houses the circuit board; and a conductive member that is provided on a conductive pattern of the circuit board. The housing has a shielding wall that protrudes toward the circuit board in a state where the leading end part is joined to the conductive member. The width of the leading end part of the shielding wall is narrower than the width of the conductive member.
Provided is a target detecting device that acquires the detected positions of camera-detected targets indicating targets detected by a camera, and the detected positions of radar-detected targets indicating the targets as detected by a radar, and that detects targets around a vehicle on the basis of the camera-detected targets and the radar-detected targets, wherein the target detecting device comprises: a radar target weight calculating unit that calculates radar target weights, which are weights for the detected positions of the radar-detected targets, such that the radar target weight decreases as the azimuth angle of the detected position of the radar-detected target relative to the center line of the radar detection range increases; and a fusion unit that calculates the positions of the targets on the basis of the detected positions of the camera-detected targets, the detected positions of the radar-detected targets, and the radar target weights.
This vehicle control device comprises: a retreat position determination unit that determines a retreat position of a host vehicle on the basis of a retreat position candidate generated by a retreat position candidate generation unit and a parking/stopping position candidate generated by a parking/stopping position candidate generation unit; a route candidate generation unit that generates a route candidate which is a candidate for a route from the position of the host vehicle to the parking/stopping position candidate via the retreat position; a reception evaluation unit that determines whether to accept, at the retreat position, a parking/stopping position selection made by an occupant of the host vehicle; and an occupant-coordinated trajectory planning unit that plans the trajectory of the host vehicle on the basis of the determination results from the reception evaluation unit.
This parking assistance system includes: a parking position selection unit that can be mounted on a vehicle and that extracts parking position candidates, which is are candidates for a position where the vehicle will be parked; a normative trajectory generation unit that generates normative trajectories to the parking position candidates; an operation assistance amount determination unit that calculates an operation assistance amount by multiplying a gain by a deviation, which is a deviation of the state of the vehicle with respect to the normative trajectory; and a vehicle control assistance unit that, on the basis of the operation assistance amount, assists a parking operation performed by a driver. The operation assistance amount determination unit increases the gain in accordance with the progress of the parking operation.
B60R 99/00 - Subject matter not provided for in other groups of this subclass
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
B60W 50/08 - Interaction between the driver and the control system
G08G 1/00 - Traffic control systems for road vehicles
A rotating electrical machine according to the present invention comprises: a stator including a stator core in which a slot is formed and a coil inserted into the slot; a rotor that faces the radial-direction inner side of the stator with a prescribed gap therebetween and rotates about an axis parallel to the axial direction; a housing that accommodates the stator and the rotor; and a guide member having a protrusion. The rotor comprises a discharge port through which a coolant is discharged toward a coil end that is part of the coil protruding from the slot. The guide member is disposed on at least a portion of the surface of the coil end that faces the discharge port, which is disposed radially outward of the coil end.
Where the speed of an electric vehicle is lower than a predetermined first speed when the vehicle is decelerated, this vehicle control device executes first control for causing one electric motor among a front electric motor and a rear electric motor to generate a first driving force and causing the other electric motor to generate a first regenerative braking force. Further, when the vehicle is about to stop and the speed falls below a second speed that is lower than the first speed, and in a state in which a friction braking force is being generated, a second control is executed in which one electric motor generates a second driving force that is larger than the first driving force, and the other electric motor generates a second regenerative braking force that is smaller than the first regenerative braking force.
B60L 7/24 - Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
B60L 7/12 - Dynamic electric regenerative braking for vehicles propelled by DC motors
B60T 8/17 - Using electrical or electronic regulation means to control braking
B60W 10/04 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 10/18 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems
B60W 10/184 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
21.
LOG COLLECTION DEVICE, ON-VEHICLE DEVICE, AND LOG COLLECTION SYSTEM
The purpose of the present invention is to make it possible to expeditiously deal with a vehicle in which an abnormality has been detected while suppressing a processing load on a log collection device. This log collection device comprises: a communication unit that receives, from a vehicle, an abnormality report for reporting an abnormality detected in the vehicle on the basis of an operation log of the vehicle; and a determination unit that determines, on the basis of the threat level of the abnormality, whether or not to request the vehicle that has transmitted the abnormality report to transmit the operation log. The communication unit requests the vehicle to transmit the operation log in accordance with the determination result by the determination unit.
This shock absorber comprises: a cylinder in which a working fluid is sealed; a piston that is slidably fitted into the cylinder and partitions the inside of the cylinder into a chamber on one side and a chamber on the other side; a first passage and a second passage through which the working fluid flows, due to the movement of the piston, from the chamber on the upstream side to the chamber on the downstream side inside the cylinder; a first damping force generating mechanism that is provided in the first passage and generates a damping force; and a second damping force generating mechanism that is disposed inside the piston and is disposed inside a passage hole that constitutes the second passage parallel to the first passage.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/508 - Means responsive to the velocity of movement of the piston
Provided is an imaging device having good camera mountability, design, and ranging accuracy. An imaging device provided in a vehicle, the imaging device comprising: a first camera having a first lens; a second camera having a second lens; a third camera having a third lens; and a case which houses the first, second, and third cameras and is mounted on the vehicle. The second lens is disposed at a position farther from the vehicle side than the first and third lenses. A part of an imaging range of the first camera overlaps a part of an imaging range of the second camera, and a part of an imaging range of the second camera overlaps a part of an imaging range of the third camera.
B60R 1/25 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the sides of the vehicle
B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
24.
STEERING DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM FOR STEERING DEVICE
This steering device comprises an electric motor (14B) that imparts a steering force to rear wheels (5B) of a vehicle, a motor shaft (30) that extends from the electric motor (14B), a first deceleration mechanism (25) that is connected to the motor shaft (30) and that decelerates the rotation of the electric motor (14B), a ball screw mechanism (26) that converts rotational motion transmitted from the first deceleration mechanism (25) into linear motion, a rack bar (10B) that is connected to the ball screw mechanism (26) and that steers the rear wheels (5B), and an electromagnetic clutch (51) that is provided on the side of the first deceleration mechanism (25) opposite from the electric motor (14B) and is capable of exerting a braking force so as to limit the movement of the rack bar (10B) at an arbitrary steering position.
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
B62D 113/00 - Position of parts of the steering mechanism, e.g. the steered wheels or the steering wheel
An external appearance inspection system according to the present invention comprises: a trained model that is created using a training image that is an external appearance image of a workpiece having no defect in terms of external appearance, outputs a training image feature amount corresponding to the training image, and outputs an inspection image feature amount corresponding to an inspection image that is an external appearance image of the workpiece to be inspected; a degree of deviation calculation unit that calculates a degree of deviation indicating the level of deviation between the training image feature amount and the inspection image feature amount; a processing device history management unit that manages the history related to a processing device that processes the workpiece to be inspected; and a cause determination unit that, on the basis of the history related to the processing device, determines whether a cause for the degree of deviation having exceeded a prescribed reference is caused by a change related to the processing device.
This software update system updates vehicle control software that is executed by an electronic control device mounted on a vehicle and controls the vehicle. The software update system comprises: a monitoring unit that monitors an operation state of an alternative control means for controlling the vehicle in place of the vehicle control software, and acquires a log of the vehicle control software in a period including at least a time point before an operation start time point of the alternative control means when the alternative control means operates; an update necessity determination unit that determines necessity of update of the vehicle control software on the basis of the log acquired by the monitoring unit; and a distribution unit that, when it is determined by the update necessity determination unit that update of the vehicle control software is necessary, distributes update software for updating the vehicle control software to the vehicle.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
In a motor control device (10), in a state in which a motor (40) is rotating by inertia and in which arms corresponding to first phase switching elements (21) and (22), arms corresponding to second phase switching elements (23) and (24), and arms corresponding to third phase switching elements (25) and (26) are all set to an on state, when the current of a first phase winding (41) reaches a first threshold value, a control unit (35) executes a first process for switching the arms corresponding to the phase switching elements (21) and (22) to an off state; when, following the execution of the first process, the current of a second phase winding (42) reaches a second threshold value, the control unit (35) executes a second process for switching the arms corresponding to the second phase switching elements (23) and (24) to an off state, and for switching the arms corresponding to the first phase switching elements (21) and (22) to an on state; and after the execution of the second process, the control unit (35) executes an all-phase off process for setting all the arms corresponding to the first phase switching elements (21) and (22), all the arms corresponding to the second phase switching elements (23) and (24), and all the arms corresponding to the third phase switching elements (25) and (26) to an off state.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
This electronic control device comprises: a substrate on which at least one connector and an electronic circuit component are installed; and a conductive housing that accommodates the substrate and has an opening through which the connector penetrates. The at least one connector has a connection section that is electrically continuous with the conductive housing. The conductive housing has an enclosure section that protrudes toward the connection section and surrounds the connection section, and a wall section that is continuously formed in a planar direction and protrudes toward the substrate. The wall section includes a first wall section that is provided in a location which, in the planar direction, is closer to the opening than the location of a signal pin, said signal pin connecting the connector and pattern wiring that is formed on the substrate, and a second wall section that separates the opening and an accommodation space in which the electronic circuit component is accommodated.
The purpose of the present invention is to provide a vehicle control system capable of preventing complication of the system and reducing water splash when traveling in the vicinity of a puddle without giving a sense of incongruity to a driver. For said purpose, a vehicle control system (100) comprises a rainfall information acquisition unit (130) that acquires rainfall information on a travel path of a vehicle (201). A controller (140) calculates, on the basis of the rainfall information, a water splash risk obtained by quantifying the risk of splashing water when the vehicle (201) travels on the travel path. When the water splash risk is equal to or greater than a prescribed threshold, the controller calculates, as a travel trajectory, a water-splash-reducing travel trajectory (205) in which a normal travel trajectory (204) passing through the center of the travel path is offset to a side of the travel path having a high transverse gradient.
A power conversion device (100) comprises: a power conversion circuit body (3) that converts a DC current into an AC current; a smoothing capacitor (2) which has a capacitor element (not illustrated) accommodated in a capacitor case (20) and which is electrically connected to the power conversion circuit body; an enclosure (4), which has a bottom part (41) and a sidewall (40) erected around the bottom part, and in which the power conversion circuit body and the smoothing capacitor are housed; a DC power supply terminal (1) which is provided in the sidewall and to which a DC current is supplied; and a busbar (5C) having a positive electrode conductor and a negative electrode conductor (5), with one end connected to the DC power supply terminal and the other end connected to DC input terminals (32U, V, W, 33U, V, W) of the power conversion circuit body. The smoothing capacitor is disposed between the DC power supply terminal and the power conversion circuit body, and the busbar is connected to the power conversion circuit body by going through a space between the smoothing capacitor and the bottom part.
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
This control device is mounted on a vehicle comprising one or more actuators capable of independent control, and achieves control related to a plurality of control axes, the number of which is larger than the number of the actuators. The control device comprises a synthesis control command amount generation unit that generates, for each of the actuators, a control command amount for the actuator by synthesizing a plurality of control request amounts, which are control amounts required for the respective control axes. The synthesis control command amount generation unit gives priority to a specific frequency component for each of the control axes.
B60W 30/00 - Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
B60G 17/018 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60W 10/00 - Conjoint control of vehicle sub-units of different type or different function
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 10/16 - Axle differentials, e.g. for dividing torque between the left and right wheels
B60W 10/22 - Conjoint control of vehicle sub-units of different type or different function including control of suspension systems
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
Basic network configuration information includes: a plurality of communication parameters for communication in a basic mode indicating a mode in which a plurality of pieces of hardware required for driving a vehicle operate in a network; and configuration values of the respective communication parameters. Additional network configuration information includes a communication parameter of a piece of hardware to be added in the network and a configuration value thereof. Basic network configuration change information includes: a communication parameter of at least one piece of basic network configuration information that is changed according to a communication requirement of the piece of hardware added in the network; and the change range of the communication parameter. A mode switching unit 101 creates a network configuration request from the basic network configuration information and the additional network configuration information (S303). When the network does not satisfy the network configuration request (S307: No), a request adjustment unit 104 adjusts the network configuration request from the basic network configuration information and the basic network configuration change information (S309).
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
Provided is an electronic control device comprising a plurality of detachable sub-enclosures, the plurality of sub-enclosures each having a board on which a first electronic component is mounted, an enclosure accommodating the board, and a first fin part that cools the first electronic component. The electronic control device comprises: a main board, which is electrically connected to the plurality of sub-enclosures via board-to-board connectors, and on which a second electronic component is mounted; and a main enclosure in which the main board is accommodated. The electronic control device comprises a plate-like member which is disposed between the plurality of sub-enclosures and the main enclosure and has openings that respectively correspond to the plurality of sub-enclosures. The main enclosure and the plate-like member form a cooling channel through which a refrigerant circulates, and the first fin part is inserted through the opening to be disposed in the cooling channel.
Provided is an information management device connected to an on-vehicle device via a network, said information management device comprising: a reception unit that receives information encrypted by the on-vehicle device; a transmission unit that transmits, to a server, information received from the on-vehicle device; a storage unit in which information received from the on-vehicle device and a key used for decoding the information are stored; and a determination unit that, on the basis of a user's use permission information pertaining to the aforementioned information, determines whether to transmit, to the server, the key used for decoding the information.
The present invention comprises: a combustion chamber wall temperature estimation unit that obtains estimated values of combustion chamber wall temperatures which include a combustion chamber wall surface temperature and a combustion chamber wall internal temperature; and an ignition timing control unit that retards an ignition timing and advances the ignition timing after retarding the ignition timing, wherein, in ignition timing retardation control for retarding the ignition timing when a knock is detected, the ignition timing control unit sets an ignition timing retardation amount on the basis of at least the estimated value of the combustion chamber wall internal temperature.
F02P 5/145 - Advancing or retarding electric ignition sparkControl therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
F02D 43/00 - Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment
F02D 45/00 - Electrical control not provided for in groups
A vehicle control system comprising: a data acquisition unit that acquires input data that is inputted to a model; an inference unit that inputs the input data to a plurality of models to perform inference, and outputs output data for each model; an input data feature vector extraction unit that extracts an input data feature vector representing the feature of the input data; a training data feature vector acquisition unit that acquires a training data feature vector representing the feature of the training data used for training the model; an expertise degree determination unit that, on the basis of the input data feature vector and the training data feature vector for each of the plurality of models, determines, for each of the models, an expertise degree indicating the possibility of deriving correct output data for the input data; and an output unit that outputs an inference result derived on the basis of the expertise degree for each model determined by the expertise degree determination unit and the plurality of output data.
This own-position estimating device comprises: an own-position estimating unit that estimates the own-position of a vehicle on the basis of vehicle information measured by a vehicle-mounted sensor and observation information output by a receiver that receives positioning radio waves from a plurality of positioning satellites; a target satellite selecting unit that selects a target positioning satellite from among the plurality of positioning satellites on the basis of the azimuth angle and angle of elevation of the positioning satellites as seen from the vehicle, with a first direction as a reference axis, and the validity of positioning augmentation information of the positioning satellites; and a position updating unit that updates the position of the own-position estimated by the own-position estimating unit in at least the first direction on the basis of the pseudorange between the selected at least one target positioning satellite and the vehicle, and the positioning augmentation information.
G01S 19/48 - Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
G01C 21/28 - NavigationNavigational instruments not provided for in groups specially adapted for navigation in a road network with correlation of data from several navigational instruments
38.
CONTROL DEVICE FOR BRUSHLESS MOTOR AND CONTROL METHOD FOR BRUSHLESS MOTOR
A control device for a brushless motor according to the present invention controls a brushless motor in a sensorless manner by switching between a square-wave driving system and a sine-wave driving system. In such a case, when switching from the sine-wave driving system to the square-wave driving system, the control device of the brushless motor advances, by a prescribed angle, the motor angle estimated from the phase voltage and the phase current of the brushless motor in the sine-wave driving system, and initiates control of the brushless motor according to the square-wave driving system.
Provided is an image processing device capable of achieving a different-angle-of-view stereo with high disparity performance in overlapping image capturing ranges of two image capturing devices having different optical specifications (angle of view, focal length). Magnification adjustment for matching the size of an image of a narrow-angle camera 101 to that of a wide-angle camera 102 and resolution adjustment for matching the degrees of sharpness (blur degrees) of the images of the two cameras are performed, and magnification adjustment is performed in consideration of all the pixel data in the range of an image P1 of the narrow-angle camera 101 in which disparity calculation is performed. In other words, along with the magnification adjustment for matching the size of the image of the narrow-angle camera 101 to that of the wide-angle camera 102, all the pixel data to be used for the disparity calculation of a target object is used for the magnification adjustment (no decimation is performed).
H04N 23/45 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
G01C 3/06 - Use of electric means to obtain final indication
G03B 35/08 - Stereoscopic photography by simultaneous recording
40.
POWER CONVERSION DEVICE, AND METHOD FOR MANUFACTURING POWER CONVERSION DEVICE
This power conversion device comprises: a plurality of semiconductor packages that have a first heat dissipation surface and a second heat dissipation surface, a semiconductor element being incorporated between the first heat dissipation surface and the second heat dissipation surface; a printed wiring board on which the plurality of semiconductor packages are mounted on one surface; a plurality of heat dissipation members that thermally connect to the first heat dissipation surface; a holding member that holds the plurality of heat dissipation members so as to allow for relative displacement, and that presses the second heat dissipation surface toward the one surface of the printed wiring board with the plurality of heat dissipation members therebetween; and a secondary heat dissipation member that is disposed on the other surface of the printed wiring board, said other surface being on the opposite side to the one surface, and said secondary heat dissipation member facing the second heat dissipation surface. The holding member is fixed to the one surface of the printed wiring board and supports the secondary heat dissipation member disposed on the other surface of the printed wiring board.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
Provided is a disk for a disk brake with which the occurrence of knockback due to rotor tipping can be prevented using a restricting part constituted of a small number of parts, and the work of assembling the rotor and a hub can be easily performed, the disk having a rotor 2 in which a plurality of projections 5 are formed on an inner peripheral edge part 2a, a hub 3 disposed on the inner peripheral side of the rotor 2 and provided with recesses 6 for accommodating the projections 5 on an outer peripheral edge part 3b, and restricting parts for restricting rotor-axial-direction movement of the projections 5 accommodated in the recesses 6. The recesses 6 are opened in the outer peripheral edge part 3b of the hub 3 and at one side in the rotor shaft direction, and are closed at the other side in the rotor shaft direction by walls 6a integrated with the hub 3. The restricting parts are each formed of a washer 7 covering one rotor-axial-direction surface 5a of the projection 5 accommodated in the recess 6. The washers 7 are fastened to one rotor-axial-direction surface 3c of the hub 3 by bolts 8 (fastening members of the present invention), and the washers 7 each cover one rotor-axial-direction surface 5a of the projection 5 accommodated in the recess 6.
The present invention provides a control device for an electric motor, capable of reliably determining an abnormality in a DC current estimation unit without using a special sensor such as a DC current sensor. The present invention includes a first DC current estimation unit 20A for generating a first DC current estimation value by a first calculation technique, a second DC current estimation unit 20B for generating a second DC current estimation value that is different from the first DC current estimation value by a second calculation technique that is different from the first calculation technique, a third DC current estimation unit 20C for generating a third DC current estimation value that is different from the first DC current estimation value and the second DC current estimation value by a third calculation technique that is different from the first calculation technique and the second calculation technique, and a validity diagnosis unit 21 for determining validity of the first DC current estimation value on the basis of the first DC current estimation value, the second DC current estimation value, and the third DC current estimation value.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02P 29/024 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
The present invention comprises: a semiconductor module that includes a first semiconductor package, a second semiconductor package, and a printed wiring board on which the first semiconductor package and the second semiconductor package are mounted; and a heat dissipation member for dissipating heat transmitted from the semiconductor module. The semiconductor module has a first fixing region and a second fixing region where the heat dissipation member is fixed, and has a low-rigidity member which is provided at a position between the first fixing region and the second fixing region and which is disposed in a manner of being sandwiched between the heat dissipation member and the printed wiring board. The low-rigidity member has a rigidity lower than that of a fixed member disposed in the first fixing region and the second fixing region.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
The purpose of the present invention is to improve the reliability of recognition results while minimizing a hardware increase. This sensing information recognition system recognizes sensing information obtained from a sensor installed in a vehicle, said system comprising: a first processing device that executes first recognition processing on the sensing information; and a second processing device that executes second recognition processing on the sensing information. The second processing device executes the second recognition processing for a longer duration than the duration for which the first processing device executes the first recognition processing. The first processing device assesses the reliability of results of the first recognition processing on the basis of results of the second recognition processing executed by the second processing device.
Provided are an image processing device and an image processing method that enable highly accurate disparity detection using a high-resolution image and a low-resolution image in stereo vision using two cameras with different resolutions. The image processing device comprises: an image acquisition unit that acquires a first image captured by a first camera and a second image captured by a second camera, the second image having a higher resolution with respect to pixels than the first image; a first compression unit that generates a first compressed image by compressing the second image in a second direction substantially perpendicular to a first direction in which the first camera and the second camera are arranged; a first image shift unit that shifts the first compressed image in the first direction by a predetermined number of pixels; a second compression unit that generates a second compressed image by compressing the shifted first compressed image in the first direction; and a disparity detection unit that compares the first image and the second compressed image to obtain a disparity.
A semiconductor device comprising: a power module 101 having a semiconductor element; a heat dissipation member 200 having one surface to which a power module 101 is fixed and the other surface on which a heat dissipation pin 203 is formed; a frame 109 which has an opening and in which a heat dissipation member is disposed such that the heat dissipation part projects from the opening; a sealing member 106 which seals between the heat dissipation member 200 and the frame 109 in a liquid-tight manner; a cover 107 which is connected to the frame 109 such that the heat dissipation pin 203 is disposed on the inner side, and which forms a flow passage 301 in which a refrigerant flows together with the heat dissipation member 200 and the frame 109; and a projection part which is formed in at least one of the heat dissipation member 200 and the frame 109, which projects toward the other side, and which is covered with the sealing member 106.
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
A rotor of a rotary electric machine in which the outer peripheral surface of a rotor and the inner peripheral surface of a stator are coaxially disposed comprises a plurality of sub-rotors stacked in the axial direction of the rotary electric machine. Each of the sub-rotors included among the plurality of sub-rotors is provided with a sub-rotor core, a cylindrical cylinder portion that covers the circumferential-direction side surface of the sub-rotor core, and a flange portion that covers at least part of the axial-direction end surface of the sub-rotor core.
This rotating electrical machine comprises: a rotor having a rotor core in which a plurality of flux barriers are formed; and a stator disposed on the radially outer side of the rotor. The plurality of flux barriers include a first flux barrier disposed on the radially innermost side of the rotor core, a second flux barrier disposed farther outward than the first flux barrier in the radial direction of the rotor core, and a third flux barrier disposed farther outward than the second flux barrier in the radial direction of the rotor core. Let L1 be the distance between an outer peripheral surface of the rotor and an edge portion of the first flux barrier, let L2 be the distance between the outer peripheral surface of the rotor and an edge portion of the second flux barrier, and let L3 be the distance between the outer peripheral surface of the rotor and an edge portion of the third flux barrier, in which case L1, L2, and L3 satisfy the relationship L1 ≥ L3 > L2.
This rotary electric machine comprises an annular outer housing, an inner housing that is disposed radially inward of the outer housing, and an annular stator that is disposed radially inward of the inner housing. The outer housing and the inner housing are secured by a first securing part and a second securing part that are respectively provided on one side and the other side in the axial direction. The stator is secured to the inner housing by a stator-securing part that is provided between the first securing part and the second securing part radially inward of the inner housing. A rigidity reduction part is formed in the inner housing between the stator-securing part and at least one of the first securing part and the second securing part. The rigidity of the rigidity reduction part is lower than the rigidity of the first securing part, the second securing part, and the stator-securing part of the inner housing.
This image processing device comprises: an object detection unit that detects, as a rectangular region, a region including a three-dimensional object from an image captured by an imaging device mounted on a vehicle; a tracking unit that generates, as a detection result, from a plurality of images captured in time series by the imaging device, time-series information of a plurality of rectangular regions in which the same three-dimensional object is detected, and time-series information of the angle of view of the imaging device when the rectangular region is detected; and a three-dimensional object region estimation unit that estimates the size of the three-dimensional object related to the rectangular region on the basis of the time-series change in the detection result.
The present invention improves heat dissipation performance. This electronic control device comprises: a circuit substrate whereon a heat-generating component is mounted; a case housing the circuit substrate; and a heat sink connected to the case and made of a material having a higher thermal conductivity than the case. The case has a through-hole in a substrate-facing part facing the plane of the circuit substrate. The heat sink has: a fixed part fixed to the case; a heat contact part penetrating through the through-hole of the case; a case contact part positioned between the fixed part and the heat contact part; and a plate-like, non-contact part positioned between the fixed part and the case contact part. The heat contact part transfers heat from the heat-generating component directly or via a heat transfer member. The case contact part is in contact with a portion of the substrate-facing part. The non-contact part faces the substrate-facing part across a gap and, when the fixed part is fixed to the case, is elastically deformed.
A power conversion device according to the present invention comprises: a semiconductor package having a semiconductor element, a first conductor electrically connected to the semiconductor element, and a sealing resin sealing the semiconductor element and the first conductor and exposing the surface of the first conductor; and a wiring board bonded to the surface of the first conductor via a conductive bonding material. The semiconductor package has protrusions that maintain an interval between the first conductor and the wiring board around the surface of the first conductor. The wiring board has a resist layer on the surface. The resist layer has openings in the region facing the surface of the first conductor and the regions facing the protrusions.
This vehicle control device is provided with a hypervisor, first and second virtual machines operating on the hypervisor, a real device occupied and directly accessible by the first virtual machine, and a shared memory accessible by the first virtual machine. The first and the second virtual machines communicate via a ring buffer. In that situation, the first virtual machine secures the ring buffer for each of different levels determined as safety standard levels.
This semiconductor device comprises: a conductor plate having a conductor plate thin film, which is a metal thin film; and a semiconductor element having a semiconductor element thin film, which is a metal thin film. The conductor plate and the semiconductor element are configured such that the conductor plate thin film and the semiconductor element thin film are directly bonded, and a conductor plate first end, which is a first end of the conductor plate, and a semiconductor element first end, which is a first end of the semiconductor element, are disposed in the same plane.
In one aspect of a turn control device, a turning device, a turn control method and a turn control program according to the present invention: a variation over time in a physical quantity relating to the behavior of a vehicle is obtained; an operating amount of a steering input member, or a target turning angle acquired from the operating amount and a steering gear ratio is corrected by a smaller amount as the variation over time becomes larger, or is corrected such that a change therein becomes slower as the variation over time becomes larger; and a motor for imparting a turning force to a turning wheel is controlled on the basis of the corrected operating amount or the corrected target turning angle. This makes it possible to prevent an excessive steering operation when a disturbance occurs.
A power semiconductor device according to the present invention comprises: a semiconductor element having a gate electrode and a first electrode formed on one surface thereof; a first conductor joined to the first electrode; gate wiring joined to the gate electrode; and a gate conductor to which the gate wiring is joined. The semiconductor element has an active region where heat is generated significantly. The active region is formed so as to be adjacent to the gate electrode on a plurality of sides in a plan view seen in a thickness direction of the semiconductor element. The joining surface of the first conductor joined to the semiconductor element has a substantially rectangular outer diameter with the periphery of the gate electrode cut out. The first conductor has, on the side where the gate conductor is disposed, a recess forming a space in which the gate wiring is to be installed. The space of the recess on the side where the gate conductor is disposed is formed wider than a space on the opposite side, with the boundary therebetween being a plane that passes through the joining portion at which the gate electrode and the gate wiring are joined and is orthogonal to the joining surface and a side surface.
H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different main groups of the same subclass of , , , , or
This electric power conversion device comprises: a plurality of semiconductor packages that each have a built-in semiconductor element and have a first surface and a second surface on opposite sides from each other; a wiring board that is bonded to the first surface with an electrically conductive bonding material interposed therebetween; and a heat dissipation member that is connected to the second surface with a heat conduction member interposed therebetween, wherein each semiconductor package has, around the portion where the bonding material is disposed on the first surface, a protrusion that protrudes in a direction away from the heat dissipation member and that keeps the distance between the first surface and the wiring substrate constant.
This semiconductor module comprises a lead frame, a semiconductor element joined by solder to a first surface of the lead frame, and a resin member encapsulating the lead frame and the semiconductor element. The semiconductor module includes an insulating orientation retaining member that is bonded to the lead frame, extends from the lead frame toward a lateral surface of the resin member, and has an exposed portion where a part of the insulating orientation retaining member is exposed to the outside from the lateral surface of the resin member. The orientation retaining member has an opening in a region where the solder is joined to the first surface. In the orientation retaining member, the periphery of the opening is bonded to the first surface.
H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
H01L 23/50 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements for integrated circuit devices
59.
CYLINDRICAL BODY, VEHICLE DAMPER, AND METHOD FOR PRODUCING CYLINDRICAL BODY
A cylindrical body (3A) is provided with: a body member (10A) that is formed in a cylindrical shape; and an end member (20A, 30) that is formed from resin into a cylindrical shape and that is connected to an end of the body member (10A). The body member (10A) has an axial recess (13a) formed on a surface intersecting the axial direction of the body member (10A), and the end member (20A, 30) is formed so as to be fitted to the axial recess (13a).
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
F16L 9/12 - Rigid pipes of plastics with or without reinforcement
60.
THERMAL INTERFACE MATERIAL AND ON-VEHICLE ELECTRONIC CONTROL UNIT USING SAID THERMAL INTERFACE MATERIAL
Provided are: a thermal interface material which has a thermal conductivity of 8 W/(m·K) or more and in which generation of undesired cracks/voids is suppressed even after undergoing a prescribed temperature cycle test; and an on-vehicle ECU using said thermal interface material. An on-vehicle electronic control unit according to the present invention is characterized in that: a prescribed thermal interface material is interposed between an electronic component and a heat dissipation member; the thermal interface material is obtained by dispersing particles of a thermally conductive filler in a matrix of a resin material; the thermally conductive filler is aluminum nitride and is contained in an amount of 92 mass% or more in the thermal interface material; the resin material is a silicone resin; and the molar concentration of vinyl group structures included in the resin material, when being quantitatively analyzed by a nuclear magnetic resonance device, is 1.7 mol% or less.
A hydraulic device according to one aspect of the present invention comprises: a cylinder; an oil seal member that contains an acrylonitrile butadiene rubber and that is provided to the cylinder; and a working fluid that is sealed inside the cylinder. The working fluid contains a base oil and an additive that has been added to the base oil. The oil seal member has an acrylonitrile content of 17-32 mass%. The base oil contains a fatty acid monoester which has an aniline point that is not lower than -102°C but lower than 51°C. The volume change rate of the oil seal member as measured at 100°C over 72 hours in accordance with JIS K 6258-4:2016 or ISO 1817:2015 is 0-25%.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
Provided is a brake control device that makes it possible to improve redundancy of brake control when a sensor fails. A first hydraulic unit has a first control part that generates a braking request on the basis of the state quantity of a brake operator detected by a first sensor, and a second hydraulic unit has a second control part that generates a braking request on the basis of the state quantity of the brake operator detected by a second sensor.
This on-board network control device comprises: a relay device that connects together a storage device having a storage region including a first region and a second region, an arithmetic device, and another control device; and the arithmetic device connected to the storage device. The arithmetic device: recognizes an additional element with respect to the another control device; reads a request that has been written, via the relay device, in the first region by the additional element; transmits, to the additional element via the relay device, position information indicating the position of a write region selected from the second region; and writes data, that is the object of the request, to the write region.
A business integration system which has an upstream unit configuration 10 and a downstream unit configuration 30 and which executes processing related to prescribed business includes: an instruction part 131 for notifying an execution instruction for the downstream unit configuration 30; a system state determination part 12 for detecting the occurrence of an event that has an impact on the processing related to the business in the business integration system and identifying the impact range of the event; and an arithmetic execution part 132 for executing the processing related to the prescribed business. The instruction part 131 provides a standby instruction for continuing the processing of the downstream unit configuration 30, with respect to the impact range, via a communication part 11, and cancels the standby instruction upon detection of restoration of the event. The arithmetic execution part 132 acquires the result of the related processing in the downstream unit configuration corresponding to the execution instruction, reflects the result of the related processing, and executes processing after the related processing.
This camera calibration device comprises: a deviation amount calculation unit that calculates a first deviation amount between a detection position of an object for calibration detected for each division region of an image obtained by imaging the object by a camera through a refraction layer and a first calculation position of the object for each region of an image that can be imaged by the camera without going through the refraction layer, and a second deviation amount between a second calculation position of the object for each re-division region calculated using a calculation formula of a distortion model obtained by modeling the camera and the refraction layer and a detection position of the object; an assessment unit that assesses the second deviation amount and changes the calculation formula of the distortion model; and a correction amount calculation unit that calculates a correction amount for correcting the detection position of the object so as to be the first calculation position for each of the re-division regions on the basis of the changed calculation formula, and calibrates the camera on the basis of the correction amount.
B60R 1/22 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
G01C 3/00 - Measuring distances in line of sightOptical rangefinders
G03B 35/08 - Stereoscopic photography by simultaneous recording
In an intake manifold device (10), a first branch pipe (20a) is supported by a support portion (52) protruding from a second branch pipe (20b). A supported portion (60) of the first branch pipe (20a), the portion being supported by the support portion (52), extends along a width direction (D) of the first branch pipe (20a).
An imaging device (10A) comprises: a fixed part (11) that is fixed to a handlebar (2a); and a camera (12) that is supported by the fixed part (11). The fixed part (11) is provided to an outer end part of the handlebar (2a) in the vehicle width direction. The camera (12) can capture images of rearward of the vehicle and at least a portion of the driver. With this configuration, it is possible to capture images of rearward of the vehicle as well as the driver while also keeping manufacturing costs low.
An imaging device (10A) comprises: a fixed part (11) that is fixed to a handlebar (2a); and a camera (12) that is supported by the fixed part (11). The fixed part (11) is provided to an outer end part of the handlebar (2a) in the vehicle width direction. The camera (12) can capture images of rearward of the vehicle and at least a portion of the driver. With this configuration, it is possible to capture images of rearward of the vehicle as well as the driver while also keeping manufacturing costs low.
Provided are a suspension device control mechanism and a suspension device control method capable of improving the feel of steering. A roll control unit of a suspension control device determines, by a high select unit and a control intervention threshold unit, whether a plurality of steering angle command values (target lateral jerk and SBW steering angle estimated lateral jerk) exceed a threshold (dead zone). The target lateral jerk is a steering angle command value based on a normative steering angle (target steering amount) corresponding to a normative turning state of a vehicle 1. The SBW steering angle estimated lateral jerk is a steering angle command value based on an input steering angle (SBW steering angle) input to a steering wheel which is a steering member of the vehicle 1. The roll control unit controls the suspension by referring to the steering angle command value (the target lateral jerk or the SBW steering angle estimated lateral jerk) that exceeds the threshold.
B60G 17/016 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
One embodiment of this vehicle has: a turning device that varies the ratio of the operation amount of a steering operation member to the turning amount of a turning wheel of the vehicle; and a force generation device that is provided between the body of the vehicle and the turning wheel and can change generated force by the relative movement of a cylinder and a rod. The force generation device comprises a first force generation mechanism and a second force generation mechanism. When the movement speed of the rod relative to the cylinder is in a first speed range, the second force generation mechanism operates during turning without the first force generation mechanism operating, but when the movement speed is in a second speed range that is higher-speed than the first speed range, the second force generation mechanism operates with the first force generation mechanism. The present invention thereby makes it possible to achieve not only a sense of quick steering but also a sense of safety and stability.
B60G 13/08 - Resilient suspensions characterised by arrangement, location, or type of vibration-dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
F16F 9/508 - Means responsive to the velocity of movement of the piston
A motor control device for controlling the driving of an AC motor connected to an inverter having a plurality of switching elements comprises: a dq-axis voltage command generation unit for generating a dq-axis voltage command value for the AC motor for each predetermined calculation period; a modulation rate command generation unit for generating one or more modulation rate command values on the basis of the dq-axis voltage command values, the phase of the AC motor, and the number of switches the switching element performs within the calculation period; and a duty command generation unit for generating a duty command value, for generating a gate signal for controlling the operation of the switching element, on the basis of the modulation rate command value. The modulation rate command generation unit switches the generation method for the modulation rate command value according to the number of switches when the number of switches is equal to or greater than a predetermined number. As a result, it is possible to achieve a voltage output closer to the command value while suppressing an increase in calculation load.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02P 21/22 - Current control, e.g. using a current control loop
In one aspect of a vehicle control device and a vehicle control method according to the present invention: a storage unit stores, from the present time to a predetermined time in the past, lane information including the position and orientation of a host vehicle relative to the traveling lane of the host vehicle, acquired by an external environment recognition sensor, travel behavior information relating to travel behavior of the host vehicle, and road information including the curvature of the traveling lane; a degree of deviation between odometry information obtained using the stored information, and the lane information, is obtained; an initial value of the odometry is determined on the basis of the lane information and the degree of deviation; and lane keeping control is executed on the basis of either the odometry result or the lane information. As a result, even if the external environment recognition sensor outputs inaccurate demarcation line information, highly accurate demarcation line information can be used for lane keeping control.
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
This camouflage detection device is characterized by comprising: a sensor that collects information and outputs a detection value; a sensor value reception unit that receives the detection value output by the sensor; and a camouflage determination unit that determines whether the detection value from the sensor has been camouflaged on the basis of the detection value the sensor value reception unit received from the sensor.
A propulsion device support mechanism includes: a support member configured to support a propulsion device of a hull such that the propulsion device is swingable relative to the hull by forward and backward movement of a rod. The support member includes a receiving portion that receives a top end portion of the rod. The receiving portion has a convex surface protruding toward the top end portion of the rod. The convex surface has a uniform shape regardless of a position in a direction along a shaft of the support member such that the top end portion of the rod and the convex surface are in line contact.
A shock absorber (10; 10A) comprises: a cylinder (12); a piston rod (17) that is provided so as to be capable of moving forward and backward with respect to the cylinder (12) when a force in a compression direction or an extension direction is applied thereto; a piston (18) that can be displaced together with the piston rod (17); a flange part (21) that expands in the radial direction from the other end of the piston rod (17); an elastic member (15) that is fixed to a portion of the cylinder (12) through which the piston rod (17) penetrates, that abuts on the flange part (21) when the piston rod (17) reaches the forward limit, and that elastically deforms; and an outer wall part (32) that covers at least a part of an outer peripheral surface of the elastic member (15).
In an internal combustion engine control device (50), a microcomputer (152) executes correction processing for correcting the interval between the timing for outputting a valve opening command, which is a command for shifting a fuel injection valve (13) from a closed state to an open state, and the timing for outputting a valve closing command, which is a command for shifting the fuel injection valve (13) from the open state to the closed state, so that said interval is shorter the higher the voltage of a battery (B) by executing correction processing for correcting the delay length of the valve closing response to the output of the valve closing command. Even if the delay length of the valve closing response to the output of the valve closing command is equal to or longer than a first predetermined value, the microcomputer (152) prohibits the correction processing for the delay length when the voltage of the battery (B) is equal to or less than a first battery voltage threshold.
The present invention addresses the problem of providing a power conversion device and a drive device with which it is possible to suppress processing load and torque fluctuation during discharge. A power conversion device 50 comprises a capacitor (smoothing capacitor 31), a three-phase bridge circuit that is connected in parallel to the capacitor and is configured from a plurality of switching elements (power semiconductors 32), and a discharge control unit 16 for discharging a charge accumulated in the capacitor to a motor 60 connected to the three-phase bridge circuit. When a target angle indicating the sum of the electrical angle and the phase angle (reference angle) of the motor 60 passes through any axis of a three-phase stationary coordinate system, the discharge control unit 16 switches each of the switching elements to a switching state for generating a composite voltage vector Vo in the direction of the axis through which the target angle passes.
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
B60L 9/18 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from DC supply lines
H02P 21/22 - Current control, e.g. using a current control loop
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
Provided is an electronic control device capable of securing reliability of bonding by solder, inhibiting chip lifting, and miniaturization. In an electronic control device 1, an electrode 12 of an electronic component 11 is joined, via a solder fillet, to at least a partial region of each of a first region R1, a second region R2, and a third region R3 of a pair of lands 31. On a first side surface 11a and in the second region R2 of the electronic component 11, the solder fillet is formed up to the upper end of the first side surface 11a and over the entire length of the electronic component 11 in a second direction D2. Within the region in which the solder fillet is formed, with respect to the area of the second region R2 in one of the lands 31, the ratio of an area sum of the first region R1 and the third region R3 in the other land 31 is 0.56 or higher. Within the region in which the solder fillet is formed, with respect to the area of the second region R2 in the other land 31, the ratio of an area sum of the first region R1 and the third region R3 in the one of the lands 31 is 0.56 or higher.
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
79.
ONBOARD ELECTRONIC CONTROL DEVICE, KEY MANAGEMENT SYSTEM, AND KEY MANAGEMENT METHOD
This onboard electronic control device is provided with a first key storage device having a first key storage unit, and a second key storage device having a second key storage unit, and is configured so that identical key values are stored in the first key storage unit of the first key storage device and in the second key storage unit of the second key storage device. This makes it possible to sustain security functions even if one of the key storage devices has experienced a malfunction, by using the other key storage device to read out the key value.
The present invention determines, as a defect that is at high risk of being overlooked, a defect in which, in a first AI model after re-training, the extent of reduction in a failure probability before and after the re-training is greater than a prescribed value, and determines the quality by using a second AI model trained on the defect that is at high risk of being overlooked.
An image processing device comprising: image acquisition units 101 for acquiring a plurality of images captured by cameras 11 having different viewpoints; a parallax calculation unit 102 for determining parallax information from the plurality of images; a plane estimation unit 103 for estimating, on the basis of the parallax information, planar regions present in the outside world captured in the plurality of images; a parameter change detection unit 104 for comparing a converted image obtained by converting one of the plurality of images using the estimation results of the planar regions with another image and detecting, on the basis of the result of the comparison, that at least one of camera parameters including a plurality of internal parameters, a plurality of external parameters, and a lens distortion parameter has changed; and an output unit 105 that outputs that camera parameters that have changed when a change in the camera parameters is detected by the parameter change detection unit.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60K 11/04 - Arrangement or mounting of radiators, radiator shutters, or radiator blinds
H02P 29/60 - Controlling or determining the temperature of the motor or of the drive
The present invention pertains to an electronic device formed by mounting, using soldering, a terminal of an electronic component on a printed wiring board having a plurality of through holes. The terminal has a flat plate-like flat plate part, and a plurality of projection parts branching from the flat plate part toward the plurality of through holes. The plurality of projection parts are joined to the plurality of through holes by soldering. At least one of the terminal and the printed wiring board is provided with a thermal resistance difference reduction part for reducing the difference in thermal resistance between each of the plurality of projection parts and a body part of the electronic component.
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
84.
POWER CONVERSION DEVICE AND METHOD FOR MANUFACTURING PRINTED CIRCUIT BOARD FOR POWER CONVERSION DEVICE
This power conversion device includes a printed circuit board on which an electrical component is mounted. An insulating resin material is fixed on a surface of the printed circuit board in a prescribed sealing range that includes an electrical connection between the printed circuit board and a terminal part of the electrical component. The resin material includes a photopolymerization initiator that initiates polymerization when irradiated with light.
H01L 23/14 - Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different main groups of the same subclass of , , , , or
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
This electronic component housing case for housing an electronic component comprises: a case body that forms an internal space for housing the electronic component; and a weight portion that is provided on an inner wall of the case body to attenuate vibration of the case body. The weight portion includes a plurality of protruding portions arranged so as to be spaced apart from each other.
This semiconductor device comprises: a semiconductor element having a first electrode on one surface and a second electrode with an area larger than that of the first electrode on another surface; a first conductor electrically connected with the first electrode; a second conductor electrically connected with the second electrode; a sintered member for sinter bonding the first electrode and the first conductor, and the second electrode and the second conductor; and a pressure transmission member abutting a margin area of the one surface of the semiconductor element closer to the outer periphery than the connection surface with the first conductor. The pressure transmission member comprises a soft member abutting the margin area of the semiconductor element, and a hard member harder than the soft member.
The purpose of the present disclosure is to provide an inverter control device and a motor drive device that are capable of simplifying software processing for generating a PWM signal while suppressing pulsation of a drive current. In order to achieve the purpose, the present disclosure provides, as a solution, an inverter control device for controlling an inverter that converts a DC voltage into an AC voltage and outputs the AC voltage to a motor, the inverter control device comprising: a carrier wave generation unit that generates a carrier wave; and a PWM control unit that generates a PWM pulse signal for controlling the operation of the inverter by pulse-width modulating a voltage command by using the carrier wave and a plurality of types of modulation signals corresponding to the number of pulses of the PWM pulse signal, wherein the PWM control unit switches the number of pulses of the PWM pulse signal while maintaining the frequency ratio of the carrier wave and the modulation signal by setting the frequency of the carrier wave to be constant and switching the plurality of types of modulation signals in a predetermined rotation speed region of the motor.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
88.
VEHICLE CONTROL DEVICE AND LIGHT-EMITTING BODY IDENTIFICATION METHOD
This vehicle control device comprises: a first light-emitting body identification unit that acquires a single frame image including a periodically changing light-emitting body imaged by an imaging device mounted on a vehicle, and identifies the type and state of the light-emitting body from the acquired single frame image; a time-series data acquisition unit that acquires and holds time-series data of the light-emitting body by using a first identification result obtained by the first light-emitting body identification unit; and a second light-emitting body identification unit that receives input of the held time-series data to identify the type and state of the light-emitting body from the input time-series data.
Provided is a system for verifying and re-training object detection AI capable of efficiently improving training accuracy in verification/re-training of the object detection AI. The present invention is characterized by comprising: an AI inference processing unit that infers an object to be detected from a verification image and obtains, as the inference result, a plurality of coordinate candidates on the verification image of the object to be detected; a coordinate variation calculation unit that obtains variations in the plurality of coordinate candidates of the object to be detected; a re-training necessity determination unit that determines the necessity of re-training in accordance with the variations in the coordinate candidates; and an AI training processing unit that performs re-training with the verification image for which the re-training necessity determination unit has determined the necessity of re-training.
The present invention provides a power conversion device capable of achieving both overcharging prevention and loss reduction. The power conversion device comprises: a first DC/AC circuit that has a primary side bridge circuit 101 which is disposed on an input side of a transformer Tr1; a secondary side bridge circuit 102 which is disposed on an output side of the transformer Tr1 and to which a first load 109 is connected; a second DC/AC circuit 104 which is disposed on the output side of the transformer Tr1, which has a tertiary side bridge circuit 103 and a capacitor C3 that is connected in parallel to the tertiary side bridge circuit 103, and to which a second load 110 is connected; and a control unit 106 which, when the second load 110 is a prescribed power consumption value or lower with respect to the second DC/AC circuit 104, controls the voltage of the capacitor C3 with the tertiary side bridge circuit 103 and applies to the secondary side bridge circuit 102 the current of an output side winding of the transformer Tr1 connected to the tertiary side bridge circuit 103.
H02M 3/28 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
This vehicle control device can be installed in a vehicle driven by a driver, and comprises a surrounding area risk determining unit that determines a risk region, which is a high-risk region existing around the vehicle, from external environment information, a model calculating unit that calculates a model driving operation amount on the basis of at least the risk region, an operation amount determining unit that determines an assist operation amount for supporting a driving operation of the driver, on the basis of a first parameter for determining the magnitude of the assist operation amount, the model driving operation amount, and the driver's driving operation amount, a support acceptance degree determining unit that, on the basis of at least one of the assist operation amount, the driving operation amount, and a driver state representing a state of the driver, calculates an acceptability quantitative value indicating the driver's degree of acceptability of the assist operation amount, an operation amount changing unit that changes the first parameter such that the lower the acceptability quantitative value, the smaller the assist operation amount, and a driving behavior determining unit that, on the basis of the driving operation amount and the risk region, calculates a safe driving degree, which is an indicator of the safety of the driver's driving operation of the vehicle, wherein the operation amount changing unit additionally changes the first parameter on the basis of the safe driving degree.
B60W 50/08 - Interaction between the driver and the control system
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
This electric power converting device comprises a semiconductor device which incorporates a semiconductor element, heat dissipating fins which are thermally connected to the semiconductor device via a heat conductive member, a refrigerant flow passage member inside which a refrigerant flow passage through which a refrigerant flows is formed, and which holds the heat dissipating fins in a liquid-tight manner so as to be capable of relative displacement, and pressure-applying members which are disposed between the heat dissipating fins and an inner peripheral surface of the refrigerant flow passage member that faces the heat dissipating fins, and which urge the heat dissipating fins toward the semiconductor device, wherein each pressure-applying member has a base portion which comes into contact with the tips of the heat dissipating fins, and an inclined portion which is formed inclined from the base portion along the flow direction of the refrigerant, and which extends to the inner peripheral surface.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
Disclosed is a multilayer printed wiring board in which insulating layers and wiring layers are alternately formed on both surface sides of an insulating substrate, wherein: the wiring layers are electrically connected to an external circuit element; a floating potential conductor layer, which is not electrically connected to the wiring layers, is provided on the insulating substrate; and the floating potential conductor layer is formed on one surface side and the other surface side of the insulating substrate, and is provided between the wiring layers to which at least different potentials are applied.
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
This control device for controlling a communication protocol includes: a recognition software unit for executing object recognition processing by using, as input, sensing results of a plurality of sensors for sensing the external environment; a dynamic change object unit for converting a protocol of data; a control software unit for requesting protocol conversion from the dynamic change object unit; and a latency monitoring unit for monitoring latency that is a time delay caused by protocol conversion. When receiving a protocol conversion request from the control software unit, the dynamic change object unit determines whether communication is congested by using the use rate of an arithmetic resource of the control device and the latency. When the communication is not congested and the data can be transmitted within the allowable time delay, the dynamic change object unit determines whether the protocol conversion request is approved in the descending order of the priority of data to be transmitted, and converts the protocol of the data for which the protocol conversion request is approved.
This cooler has a flow path through which a cooling medium flows, and cools a plurality of cooling targets, wherein: the flow path is divided into a plurality of continuous sections in a main flow direction in which the cooling medium flows; when viewed from an orthogonal direction, which is a direction orthogonal to the main flow direction, each section has a high flow path resistance region having a relatively high flow path resistance and a low flow path resistance region having a flow path resistance that is relatively lower than that of the high flow path resistance region; in a specific section, which is a section for cooling a specific cooling target that is one of the cooling targets, the low flow path resistance region is disposed in a position overlapping the specific cooling target when viewed from the orthogonal direction, and the high flow path resistance region is disposed in a position not overlapping the specific cooling target; and when viewed from the orthogonal direction, in at least one section positioned on the upstream side of the specific section, the high flow path resistance region is disposed in a position overlapping the cooling target, and the low flow path resistance region is disposed in a position not overlapping the cooling target.
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
96.
STEERING CONTROL DEVICE, STEERING CONTROL METHOD, STEERING CONTROL PROGRAM, AND STEERING SYSTEM
In one embodiment of a steering control device, a steering control method, a steering control program, and a steering system according to the present invention: an attenuation ratio and a natural angular frequency are set so that the gain and phase of a yaw rate, which is the behavior of a vehicle with respect to a steering operation by a driver, serve as a target gain and a target phase; a target yaw rate is obtained from the operation amount of a steering input member, a steady yaw rate gain based on vehicle speed, the attenuation ratio and the natural angular frequency, and a vehicle model provided in advance; and a motor for applying a steering force to the steering wheel of the vehicle is controlled so that the target yaw rate is reached. Due to this configuration, optimum steering control can be implemented in consideration of responsiveness and convergence with respect to vehicle behavior.
Provided is a shock absorber comprising a guide member which can pass through a swaging part formed in an outer tube. This shock absorber comprises: a fixing part 31 fixed to the outer circumference of an inner tube 2; a plurality of extension parts 41 extending from the other end of the fixing part 31 in the axial direction of the cylinder; and a guide member 30 having a rounded-shaped swelling part 43 formed at the longitudinal central part of each of the extension parts 41 and brought into contact with the inner circumferential surface 23 of the outer tube 3. When the inner tube 2 to which the guide member 30 is attached is assembled in the outer tube 3, the guide member 30 can pass through a swaging part 25, which is formed in the outer tube 3, by elastically deforming each of the extension parts 41 inward in the radial direction of the cylinder to thereby reduce the diameter of the guide member 30.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
98.
VEHICLE MOTION CONTROL DEVICE, ON-VEHICLE SYSTEM, AND VEHICLE MOTION CONTROL METHOD
Provided is a vehicle motion control device capable of realizing, with a low processing load, generation of a travel trajectory that enables obtainment of a sense of security and comfort in accordance with individual preferences. This host vehicle motion control device comprises: an information acquisition unit that acquires host vehicle information pertaining to a host vehicle and environmental information pertaining to a surrounding environment of the host vehicle; a trajectory generation parameter prediction unit that inputs the host vehicle information and the environmental information acquired by the information acquisition unit into a trained model, and outputs trajectory generation parameters including a range of physical quantities indicating a motion state of the host vehicle and a range of a travelable region of the host vehicle; and a trajectory generation unit that inputs the trajectory generation parameters and generates a trajectory along which the host vehicle travels.
In the present invention, a controller includes: a reception unit that acquires sprung acceleration, which is acceleration in the vertical direction, roll rate, and pitch rate from an IMU included in a vehicle; a sprung acceleration calculation unit that calculates the sprung acceleration of each wheel of the vehicle on the basis of the values input to the reception unit and specifications of the vehicle; a stroke speed calculation AI that calculates the stroke speed of a suspension device of each wheel using a mathematical model of the vehicle that receives, as input, the sprung acceleration of each wheel and a value indicating the force that is generated by a corresponding variable damper; a sprung speed calculation AI that calculates the spring speed of each wheel; and a ride comfort control unit that determines a control amount for controlling the variable damper from the sprung speed and the stroke speed.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
The present invention comprises: a crossing vehicle detection unit that detects another vehicle approaching so as to cross the path of travel of a host vehicle; an intersection point detection unit that detects an intersection point of the host vehicle and the other vehicle on the basis of movement predictions regarding the host vehicle and the other vehicle; a warning determination unit that determines whether the host vehicle and the other vehicle will collide at the detected intersection point and outputs a warning upon determining that a collision will occur; a road shape determination unit that determines whether the other vehicle will cross the path of travel of the host vehicle on the basis of the road shape of the path of travel of the host vehicle; and a warning permission determination unit that determines, on the basis of a determination result from the road shape determination unit, whether to set a warning function of the warning determination unit to permitted.
