Engine oil is configured to lubricate the combustion engine. A characterisation of evolution of engine oil during operation of a combustion engine is provided. The characterisation comprises variation between spectral analyses of more than one sample of engine oil. Each sample has been exposed to one of a plurality of operational conditions of the combustion engine. The variation between the spectral analyses of the more than one sample of engine oil are obtained by using multi-dimensional analysis to interrogate variation between the spectral analyses of the more than one sample. Spectral analyses of each sample are obtained by using spectrometry to analyse elemental composition and/or chemical bonds of the more than one sample of engine oil.
A method of identifying local engine oil performance after operation of a combustion engine and a characterisation of local engine oil performance are provided. The engine oil is configured to lubricate the combustion engine. The method comprises operating the engine during an operation period. Data indicative of engine operation during the operation period is obtained. The data is used as an input to an oil evolution function to provide a generated engine oil evolution. Local engine oil performance is identified by comparing the generated engine oil evolution to a reference characterisation of engine oil evolution. The reference characterisation comprises at least one reference variation that is indicative of a variation of elemental composition and/or chemical bonds of engine oil. Each reference variation is a result of multi-dimensional analysis of variation between spectral analyses of more than one reference sample of engine oil.
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
There is provided a characterisation of an engine oil service schedule after operation of a combustion engine, and a method of determining an engine oil service schedule after operation of a combustion engine. The engine oil is configured to lubricate the combustion engine. The characterisation comprises an engine operation function configured to receive as an input data indicative of engine operation during an operation period, and provide an output indicative of a predicted property of the engine oil. The characterisation further comprises a comparison of the output to a condemnation limit.
The present technology is directed to methods and systems for detecting a contact break in a battery pack. In some embodiments, the method includes, for example, (i) receiving information regarding a current voltage value of a battery pack; (ii) providing information regarding a mean voltage value of the battery pack; (iii) determining a calculated value based on the current voltage value of the battery pack and the mean voltage value of the battery pack; and (iv) identifying a contact break of the battery pack based on the calculated value.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
A method is provided of identifying local engine oil performance after operation of a combustion engine. The engine oil is configured to lubricate the combustion engine. A characterisation of local engine oil performance is also provided. The method comprises operating the engine during an operation period. More than one sample of the engine oil is obtained during the operation period. A spectrometer is used to analyse each sample and provide a measured spectrum of each sample. Local engine oil performance is identified by comparing the measured spectra to a reference characterisation of engine oil evolution. The reference characterisation comprises at least one reference variation that is indicative of a variation of elemental composition and/or chemical bonds of engine oil, wherein each reference variation is a result of multi-dimensional analysis of variation between spectral analyses of more than one reference sample of engine oil.
B60L 58/25 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by controlling the electric load
B60L 58/13 - Maintaining the SoC within a determined range
A retention mechanism for connecting a ground engaging tip and an adapter may have a retainer block, a retainer pin, and a spring assembly. The retainer block may be insertable into a cutout in the adapter. The retainer block may have a cavity including an internal thread and at least one detent cutout. The retainer block may have a retainer block outer surface including a plurality of surfaces configured to engage with corresponding surfaces in the cutout of the adapter. The retainer pin may be insertable in the cavity of the retainer block. The retainer pin may have a threaded outer surface configured to engage with the internal thread in the cavity in the retainer block. The retainer pin may also have an opening extending diametrically through the retainer pin. The spring assembly may be disposed in the opening and configured to engage with the at least one detent cutout.
In some implementations, an automated self-testing system may include an electric field source (204) and a controller (206). The controller (206) may detect a trigger event associated with initiating a self test of an electric field sensing device (202). The controller (206) may cause, based on the trigger event, the electric field source (204) to create a target electric field at a specific location sensed by the electric field sensing device (202). The controller (206) may receive measurement data indicating a measured electric field strength, detected by the electric field sensing device (202), of the target electric field. The controller (206) may determine, based on the target electric field strength and the measured electric field strength, whether the electric field sensing device (202) passes the self test or does not pass the self test. The controller (206) may provide an indication of a result of the self test.
A method of identifying local engine performance after operation of a combustion engine and a characterisation of local engine performance are provided. The engine oil is configured to lubricate the combustion engine. The method comprises operating the engine during an operation period. One or more samples of the engine oil are obtained during the operation period. A spectrometer is used to analyse each sample and provide a measured spectrum of each sample, wherein the measured spectrum or spectra is indicative of a determined engine oil evolution. Data indicative of engine operation during the operation period is obtained and used as an input to an engine oil evolution function to provide a generated engine oil evolution of the engine oil. Local engine oil performance is identified by comparing the determined engine oil evolution to the generated engine oil evolution, and comparing any differences to a reference characterisation.
A method of operating a work vehicle is provided. The work vehicle comprises a swing apparatus rotatable about a swing axis. The swing apparatus comprises an arm arrangement comprising a boom and a stick, a boom actuator for controlling the boom, and at least one boom head pressure sensor for generating boom head pressure data indicative of a boom head pressure of the boom actuator. The method comprises, by a control system, determining a maximum allowable swing speed of the swing apparatus rotating about the swing axis, to account for the moment of inertia of the swing apparatus, based on boom head pressure data and a map linking boom head pressure data with the maximum allowable swing speed. The method further comprises limiting a maximum operational swing speed of the swing apparatus to the maximum allowable swing speed.
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
A trolley assembly includes a first trolley. The first trolley includes a first assembly including a first positioning system. The first positioning system includes a first housing and a first rotatable element. The first trolley also includes a second assembly separate from the first assembly and removably coupled with the first assembly via a drilling mast. The second assembly includes a second positioning system. The second positioning system includes a second housing and a second rotatable element. The first trolley further includes an actuation device disposed in at least one of the first positioning system and the second positioning system. Upon operation of the actuation device, the actuation device rotates the drilling mast relative to each of the first housing of the first positioning system and the second housing of the second positioning system to dispose the drilling mast at a plurality of work positions.
B23P 21/00 - Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
B23P 15/32 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
12.
RETENTION SYSTEM WITH THREADED BLOCK AND PIN MECHANISM
A retention mechanism for connecting a ground engaging tip and an adapter may have a retainer block, a retainer pin, and a spring assembly. The retainer block may be insertable into a cutout in the adapter. The retainer block may have a cavity including an internal thread and at least one detent cutout. The retainer block may have a retainer block outer surface including a plurality of surfaces configured to engage with corresponding surfaces in the cutout of the adapter. The retainer pin may be insertable in the cavity of the retainer block. The retainer pin may have a threaded outer surface configured to engage with the internal thread in the cavity in the retainer block. The retainer pin may also have an opening extending diametrically through the retainer pin. The spring assembly may be disposed in the opening and configured to engage with the at least one detent cutout.
A crab plate for securing a power assembly of an engine includes a body having a length direction oriented with respect to a central longitudinal plane, a width direction normal to the central longitudinal plane, and a thickness direction extending between a top surface and a bottom surface of the body. The body further including a generally double-arrow shape including an arrowhead portion located at each of a first longitudinal end and a second longitudinal end of the body. The body further includes a pair of retaining holes extending through the thickness of the body, the pair of retaining holes located along the central longitudinal plane; a pair of wing portions forming laterally outward opposite sides of the body; and a protruding contact pad on the bottom surface of each of the wing portions, the contact pads having a length that is less than a length between the widest portions of the arrow heads.
A microgrid controller of a microgrid includes a communication interface configured to receive load information corresponding to a current load demand of a plurality of loads connected to the microgrid and output control signals for controlling energy resource systems associated with the microgrid, which include a non-stabilizing group and a stabilizing group; and one or more processors, coupled to the one or more memories, configured to execute a load stabilization algorithm to generate the one or more control signals based on the load information. Executing the load stabilization algorithm includes generating, based on the load information, one or more first control signals to dynamically control an amount of total output power provided by the stabilizing group to a power distribution network of the microgrid in order to stabilize one or more cyclic loads on the power distribution network and to maintain the non-stabilizing group at a substantially constant load.
A hydraulic system may include an electric motor and a power source electrically coupled to the electric motor. During operation of the hydraulic system in an energy recovery mode, a net negative torque may be applied to the electric motor causing the electric motor to convert a mechanical power output to an electrical input and provide the electrical input to the power source. The hydraulic system may include a controller configured to determine a time that the hydraulic system operates in the energy recovery mode and cause, during the time that the hydraulic system operates in the energy recovery mode, application of an energy recovery prevention torque to the hydraulic system. The energy recovery prevention torque may prevent the electric motor from converting the mechanical power output to the electrical input and providing the electrical input to the power source.
A cutting edge (204) of a machine (100) is fabricated by cutting one or more grooves (410, 412, 416) within a base cutting edge (400) and incorporating one or more hard tiles in the grooves (410, 412, 416). An edge groove (410) may be cut into a ground-engaging edge (404) of the cutting edge (204) and hard tiles (510, 512, 514) may be disposed therein. Additionally, a face groove (412) may be cut into a corner of the cutting edge (204), within which hard tiles (516, 518, 520) may be disposed. At the face (502) of the cutting edge (204), distanced from the ground-engaging edge (504), a wear indicator groove (416) may be cut and wear indicator tiles (522) may be disposed therein. Furthermore, laser-clad abrasion resistant material (524) may be provided on a face (502) of the cutting edge (204) to improve the wear resistance of the face (502). Further still, the corners (508) of the cutting edge (204) may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge (204).
A cutting edge (204) of a machine (100) is fabricated by cutting one or more grooves (410, 412, 416) within a base cutting edge (400) and incorporating one or more hard tiles in the grooves (410, 412, 416). An edge groove (410) may be cut into a ground-engaging edge (404) of the cutting edge (204) and hard tiles (510, 512, 514) may be disposed therein. Additionally, a face groove (412) may be cut into a corner of the cutting edge (204), within which hard tiles (516, 518, 520) may be disposed. At the face (502) of the cutting edge (204), distanced from the ground-engaging edge (504), a wear indicator groove (416) may be cut and wear indicator tiles (522) may be disposed therein. Furthermore, laser-clad abrasion resistant material (524) may be provided on a face (502) of the cutting edge (204) to improve the wear resistance of the face (502). Further still, the corners (508) of the cutting edge (204) may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge (204).
A circuit board assembly (100) for a battery module (50) includes a first printed circuit board (PCB) (106) including a plurality of balancing resistors (R5, R6, R7, R8) and a plurality of balancing circuit switches (S1, S2, S3, S4) corresponding to the plurality of balancing resistors (R5, R6, R7, R8). The first PCB (106) includes at least one metallic layer (122, 124). The plurality of balancing resistors (R5, R6, R7, R8) and the plurality of balancing circuit switches (S1, S2, S3, S4) perform a cell balancing operation of a plurality of battery cells (80, 82, 84, 86) of the battery module (50). Heat generated during the cell balancing operation of the plurality of battery cells (80, 82, 84, 86) is dissipated via the first PCB (106). The circuit board assembly (100) also includes a second PCB (102). The second PCB (102) includes a plurality of resistor-capacitor (RC) low-pass filters and an analog front-end (AFE) chip (104) that is adapted to at least monitor a voltage (V1, V2, V3, V4) and a temperature of the plurality of battery cells (80, 82, 84, 86) of the battery module (50).
A method (500) of generating a cost estimate for performing one or more earthmoving operations at a worksite (132) includes receiving, at a controller (124), a plurality of files indicative of a structural design corresponding to a structure (130) selected from a plurality of structures, a geographical data of the worksite (132), and at least one operational variable associated with the worksite (132). The at least one operational variable varies based on the geographical data of the worksite (132). The method (500) also includes generating, by the controller (124), at least one of the cost estimate for performing the one or more earthmoving operations at the worksite (132) and an instruction file to autonomously perform the one or more earthmoving operations at the worksite (132). The cost estimate is displayed to a user.
A cutting edge (204) of a machine (100) is fabricated by cutting one or more grooves (410, 412, 416) within a base cutting edge (400) and incorporating one or more hard tiles in the grooves (410, 412, 416). An edge groove (410) may be cut into a ground-engaging edge (404) of the cutting edge (204) and hard tiles (510, 512, 514) may be disposed therein. Additionally, a face groove (412) may be cut into a corner of the cutting edge (204), within which hard tiles (516, 518, 520) may be disposed. At the face (502) of the cutting edge (204), distanced from the ground-engaging edge (504), a wear indicator groove (416) may be cut and wear indicator tiles (522) may be disposed therein. Furthermore, laser-clad abrasion resistant material (524) may be provided on a face (502) of the cutting edge (204) to improve the wear resistance of the face (502). Further still, the corners (508) of the cutting edge (204) may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge (204).
A method implemented by a microgrid controller includes dynamically assigning a priority level in a tiered priority scheme to each load of a plurality of loads based on load information; monitoring an available power limit of a microgrid; comparing a load demand of the plurality of loads with the available power limit to generate a comparison result; and dynamically adding and shedding connections of the plurality of loads to a power distribution network of the microgrid based on the priority level of each load and based on the comparison result, including generating one or more first control signals to connect a first group of loads having highest rankings in priority level to the power distribution network of the microgrid, and generating one or more second control signals to disconnect a second group of loads having lowest rankings in priority level from the power distribution network of the microgrid.
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
24.
ESSENTIAL AND CURTAILABLE LOAD DISTRIBUTION OPTIMIZATION IN MICROGRID CONTROLLER
A method implemented by a microgrid controller includes dynamically assigning a priority level in a tiered priority scheme to each load of a plurality of loads based on load information; monitoring an available power limit of a microgrid; comparing a load demand of the plurality of loads with the available power limit to generate a comparison result; and dynamically adding and shedding connections of the plurality of loads to a power distribution network of the microgrid based on the priority level of each load and based on the comparison result, including generating one or more first control signals to connect a first group of loads having highest rankings in priority level to the power distribution network of the microgrid, and generating one or more second control signals to disconnect a second group of loads having lowest rankings in priority level from the power distribution network of the microgrid.
A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.
A method for dynamically controlling a vehicle having at least one wheel includes: measuring a wheel speed of the at least one wheel as a measured wheel speed; determining whether the measured wheel speed exceeds a slip value threshold; and if the measured wheel speed exceeds the slip value threshold, calculating a wheel speed control value based on a center of gravity of the vehicle and at least one of: a vehicle mass of the vehicle, a vehicle slope of the vehicle, an articulation angle of the vehicle, a vehicle speed of the vehicle, and a vehicle direction of the vehicle; and controlling a desired wheel speed of the at least one wheel based on the wheel speed control value.
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
B60T 8/1761 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
27.
ENGINE CYLINDER HEAD WITH TEMPERATURE-REDUCING PRESSURE SENSOR BORE
In one instance, an engine cylinder head includes: an intake passage; an exhaust passage; a coolant channel having a first outer surface including a first portion and a second portion, the first portion being shared with the intake passage and the second portion being shared with the exhaust passage; a lubricant channel; and an in-cylinder pressure sensor (ICPS) bore at least partially defined by at least one wall having at least one second outer surface including a third portion and a fourth portion, the third portion being shared with the coolant channel and the fourth portion being shared with the lubricant channel.
A mounting system, adapted to removably couple the equipment with a mounting structure, includes a mounting bracket coupled to the mounting structure, a first flexible member disposed axially adjacent to the mounting bracket, and a pin disposed axially adjacent to the first flexible member. The first flexible member is disposed between the mounting bracket and the pin. The pin includes a base and a body extending from the base. The body includes a uniform section and a tapering section. The mounting system includes a second flexible member disposed axially adjacent to the mounting bracket and a cover disposed axially adjacent to the second flexible member. The second flexible member is disposed between the cover and the pin. The mounting system further includes at least two mechanical fasteners that removably couple the mounting bracket with each of the first flexible member, the pin, the second flexible member, and the cover.
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F16B 13/08 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device without further manual operation
29.
VIBRATION ADJUSTMENT IN VIBRATION LIMITING ZONES OF A WORK AREA
A controller may identify a vibration limiting zone within a work area of a work machine. The vibration limiting zone may be associated with an object or area sensitive to vibration. The controller may monitor, while the work machine is operating in the work area, a location of the work machine in the work area. The controller may cause, while the location of the work machine is in the vibration limiting zone, an adjustment to one or more operating settings of an implement of the work machine.
Typically, mobile equipment, such as tractors and heavy duty machinery, require engine start up systems to provide a strong surge of power necessary for starting engines. Traditional engine start up systems use lead-acid batteries for providing an initial voltage. However, monitoring the condition of these batteries may not be possible without adding extra sensors. Disclosed embodiments allow a battery condition monitoring system to monitor the condition of the batteries within an engine start up system based on available parameters without the need of new sensors. In particular, embodiments determine the condition of a battery based on the resistance determined from these available parameters.
G01R 31/389 - Measuring internal impedance, internal conductance or related variables
F02N 11/08 - Circuits specially adapted for starting of engines
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.
A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.
In some implementations, an automated self-testing system may include an electric field source and a controller. The controller may detect a trigger event associated with initiating a self test of an electric field sensing device. The controller may cause, based on the trigger event, the electric field source to create a target electric field at a specific location sensed by the electric field sensing device. The controller may receive measurement data indicating a measured electric field strength, detected by the electric field sensing device, of the target electric field. The controller may determine, based on the target electric field strength and the measured electric field strength, whether the electric field sensing device passes the self test or does not pass the self test.
A block carrier configured to provide lubrication to the small end bush in an internal combustion engine. The block carrier has a projection having an oil channel in fluid communication with an oil groove in an inner surface configured to receive a crankshaft main bearing and extending to a side surface of the projection. This provides a jet of lubricating oil which may be directed towards the small end of the connecting rod and the underside of the piston.
A method for controlling the humidity of a fuel cell stack air inlet, a fuel cell system in which the method may be exercised, and a fuel cell system controller adapted to execute the method in a fuel cell system. The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet downstream a humidifier, detecting the water level of a water reservoir, and using the detected values to control the humidity of air entering the fuel cell stack by controlling a supply of water from the water reservoir to a spray nozzle downstream the humidifier.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
A circuit board assembly for a battery module includes a first printed circuit board (PCB) including a plurality of balancing resistors and a plurality of balancing circuit switches corresponding to the plurality of balancing resistors. The first PCB includes at least one metallic layer. The plurality of balancing resistors and the plurality of balancing circuit switches perform a cell balancing operation of a plurality of battery cells of the battery module. Heat generated during the cell balancing operation of the plurality of battery cells is dissipated via the first PCB. The circuit board assembly also includes a second PCB. The second PCB includes a plurality of resistor-capacitor (RC) low-pass filters and an analog front-end (AFE) chip that is adapted to at least monitor a voltage and a temperature of the plurality of battery cells of the battery module.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
In one instance, disclosed herein is a pressure modulating clutch control assembly that includes: a valve assembly configured to apply a clutch pressure to a clutch device; a pressure modulation assembly in fluid communication with the valve assembly and configured to control a maximum pressure level that the clutch pressure reaches; and a modular relief valve in fluid communication with the valve assembly and the pressure modulation assembly, the modular relief valve forming part of a hydraulic feedback loop between the valve assembly and the pressure modulation assembly, wherein the hydraulic feedback loop is configured such that an increase in a modulation pressure of a pressurized fluid within the pressure modulation assembly causes a corresponding increase in the clutch pressure until the clutch pressure reaches the maximum pressure level.
A mobile machine includes a powertrain having a primary transmission connected to a primary axle and a secondary transmission connected to a secondary axle. To regulate operation of the powertrain, the mobile machine is associated with a powertrain control system. The powertrain control system receives data inputs and powertrain characteristics and predictively estimates if nonsynchronous shift will occur with the primary transmission. The powertrain control system adjusts a secondary power output of the secondary transmission in response to and concurrently with the nonsynchronous shift.
A method of generating a cost estimate for performing one or more earthmoving operations at a worksite includes receiving, at a controller, a plurality of files indicative of a structural design corresponding to a structure selected from a plurality of structures, a geographical data of the worksite, and at least one operational variable associated with the worksite. The at least one operational variable varies based on the geographical data of the worksite. The method also includes generating, by the controller, at least one of the cost estimate for performing the one or more earthmoving operations at the worksite and an instruction file to autonomously perform the one or more earthmoving operations at the worksite. The cost estimate is displayed to a user.
A hydraulic system may include an electric motor and a power source electrically coupled to the electric motor. During operation of the hydraulic system in an energy recovery mode, a net negative torque may be applied to the electric motor causing the electric motor to convert a mechanical power output to an electrical input and provide the electrical input to the power source. The hydraulic system may include a controller configured to determine a time that the hydraulic system operates in the energy recovery mode and cause, during the time that the hydraulic system operates in the energy recovery mode, application of an energy recovery prevention torque to the hydraulic system. The energy recovery prevention torque may prevent the electric motor from converting the mechanical power output to the electrical input and providing the electrical input to the power source.
Hydraulic load management for electric motor driven systems, such as hydraulic systems (18) in a work machine (10), is disclosed. The hydraulic system (18) may include an electric motor (24) coupled to a hydraulic pump (62) to provide hydraulic fluid to a hydraulic actuator (50), and a power bus (84) may connect an electric power source (28) to the electric motor (24). Hydraulic load management may include determining an actual electric power available at the electric power source (28), comparing the actual electric power to a threshold electric power for operating the electric motor (24) at a full capacity, and setting a value for an available electric power and a current power curve for the electric motor (24) corresponding to the available electric power. When hydraulic system input is detected, electric power is provided via the power bus (84), and the electric motor (24) is operated at a motor speed based on the current power curve and a commanded speed from the hydraulic system input.
A busbar assembly (100) for electrically interconnecting a plurality of power racks (120) arranged in a rack row (120) includes first and second conductive busbars (152) extending horizontally with respect to the rack row (120). The first and second conductive busbars (152) electrically connect with first and second pluggable connectors (160) extending rearward from the rack row (120) orthogonal to the busbars. To interconnect the conductive busbars (150) and pluggable connectors (160), the busbar assembly (100) includes first and second conductive links (170) that are shaped to extend between the components. To brace the busbars in parallel, the busbar assembly (100) includes a support insulator (180) that traverses and clamps to the busbars.
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/505 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising a single busbar
H01M 50/258 - Modular batteriesCasings provided with means for assembling
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
A method of operating a ring communication network, including providing a management device having a first processor, a first memory, a first communicator, and a computer program stored in the first memory and capable of running on the first processor; providing a network device having a network processor, a network memory, and a network communicator; disposing an auxiliary memory in the network device; organizing the management device and the network device to form the ring communication network; determining a location of the auxiliary memory in the ring communication network; and assigning a transmission direction such that a transmission distance
A microgrid controller of a microgrid includes a communication interface configured to receive load information corresponding to a current load demand of a plurality of loads connected to the microgrid and output control signals for controlling energy resource systems associated with the microgrid, which include a non-stabilizing group and a stabilizing group; and one or more processors, coupled to the one or more memories, configured to execute a load stabilization algorithm to generate the one or more control signals based on the load information. Executing the load stabilization algorithm includes generating, based on the load information, one or more first control signals to dynamically control an amount of total output power provided by the stabilizing group to a power distribution network of the microgrid in order to stabilize one or more cyclic loads on the power distribution network and to maintain the non-stabilizing group at a substantially constant load.
Systems and method for operating a train are described herein. The train may include a plurality of nodes configured to detect a plurality of train variables and a train controller. The train controller including a memory storing computer-executable instructions; and a processor. The processor may be configured to receive a train model which may be configured to be used by a computation engine of the train controller to generate an output. The output may be displayed on an output device on the train controller. A human-user may input an indication into the train controller indicating that the generated output may be insufficient. The node data may be collected at a result of the input and transmitted to a train model generator.
A drive circuit includes a first half bridge gate driver including a first top device and a first bottom device; a second half bridge gate driver including a second top device and a second bottom device; jumper connections and a circuit board. The jumper connections configure the drive circuit as two parallel half bridge gate drivers connected in parallel when jumpers are applied to the jumper connections. The jumpers connect a control gate of the first top device to a control gate of the second top device and connect a control gate of the first bottom device to a control gate of the second bottom device. The circuit board includes the first and second half bridge gate drivers and electrical interconnect to configure the first half bridge gate driver and the second half bridge gate driver as a switched reluctance converter in the absence of the jumpers.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 7/5387 - 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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H03K 17/00 - Electronic switching or gating, i.e. not by contact-making and -breaking
A method for controlling the humidity of a fuel cell stack air inlet (12, 112), a fuel cell system (8, 108) in which the method may be exercised, and a fuel cell system controller (160) adapted to execute the method in a fuel cell system (8, 108). The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet (12, 112) downstream a humidifier (16, 116), detecting the water level of a water reservoir (24, 124), and using the detected values to control the humidity of air entering the fuel cell stack (10, 110) by controlling a supply of water from the water reservoir (24, 124) to a spray nozzle (38, 138) downstream the humidifier (16, 116).
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
An electric work machine that has a powertrain controller and a battery system is disclosed. The battery system has at least one battery string that, when they are all connected, form a circuit of the battery system. One or multiple battery modules and a contactor are connected in series to form each battery string. When a battery string is to be taken offline, a battery control system sends a warning signal to a powertrain controller to reduce a current being drawn from the battery system prior to the connector opening up to disconnect the battery string that is being taken offline from the circuit.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 58/18 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
51.
TRANSFORMER CORE ASSEMBLY HEAT EXCHANGER WITH NONLINEAR OUTER SURFACE
An electrical transformer core assembly may include a magnetic core, a set of coils, including a primary coil surrounding a first portion of the magnetic core, and a secondary coil surrounding the primary coil, and a heat exchanger located between the magnetic core and the primary coil. The heat exchanger may also include a heat exchanger body including an outer surface and an inner surface, wherein the outer surface is substantially non-linear as viewed in a cross-sectional plane normal to a longitudinal axis of the body, and the inner surface substantially conforms to an outer surface of the magnetic core.
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
52.
HYDRAULIC SYSTEM FOR A DYNAMIC ENERGY TRANSFER SYSTEM
A rail connector assembly for an electrically powered mobile machine includes a boom assembly with a first end and a second end, and an arm assembly movable between a stowed condition and a deployed condition. The arm assembly includes a first end coupled to the boom and a second end. A contactor assembly is coupled to the second end of the arm assembly. The system further includes a hydraulic system controlling movement of the rail connector assembly. The hydraulic system includes a hydraulic power unit, a plurality of hydraulic actuators fluidly driven by the hydraulic power unit, and at least one float valve fluidly connected to at least one of the plurality of hydraulic actuators.
B60L 5/32 - Devices for lifting and resetting the collector using fluid pressure
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
53.
HYDRAULIC SYSTEM FOR A DYNAMIC ENERGY TRANSFER SYSTEM INCLUDING HYDRAULIC ASSIST
A method and system are provided for deploying a rail connector assembly of a mobile machine onto one or more conductor rails. The rail connector assembly includes a boom assembly connected to a frame of the machine, an arm assembly connected to an end of the boom assembly, and a contactor assembly coupled to an end of the arm assembly. The method includes deploying the boom assembly from a stowed condition to a deployed condition with at least one boom assembly hydraulic actuator, deploying the arm assembly from a stowed condition to a deployed condition with at least one arm assembly hydraulic actuator, and providing hydraulic assist to the at least one arm assembly hydraulic actuator, as a function of a contact relationship of the contactor assembly with one or more conductor rails.
A work machine includes a first hydraulic circuit, a second hydraulic circuit, a single electric motor, and a controller. The first hydraulic circuit includes a first pump and a first valve. The first pump is configured to drive a first group of hydraulic accessories. The second hydraulic circuit includes a second pump and a variable pressure valve. The second pump is configured to drive a second group of hydraulic accessories. The single electric motor is connected/configured to drive the first pump and the second pump. The controller configured to estimate a torque of the second pump, estimate a total torque of the motor as a sum of a current operating torque of the motor and the estimate of the torque of the second pump, and, on condition the total torque of the motor is greater than a threshold torque, lower an operating torque of at least one of the first pump or the second pump.
F15B 15/18 - Combined units comprising both motor and pump
B60P 1/16 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element actuated by fluid-operated mechanisms
F15B 11/17 - Servomotor systems without provision for follow-up action with two or more servomotors using two or more pumps
55.
PIVOTING BOOM STRUCTURE FOR DYNAMIC ENERGY TRANSFER SYSTEM
A rail connector assembly for connecting a mobile machine to an electrically-conducting rail system includes a boom assembly, a trailing arm assembly and a contactor assembly. The boom assembly includes a main boom and a boom tip. A first end of the main boom is configured to be coupled to the mobile machine, and a second end of the main boom opposite to the first end is pivotably coupled to the boom tip. The boom tip includes an angled portion that extends at a non-zero angle from a longitudinal axis of the main boom. The trailing arm assembly is pivotably coupled to an end of the boom tip. The contactor assembly is pivotably coupled to an end of the trailing arm assembly.
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
In some implementations, a system may detect that an energy transfer operation for a work machine is to be initiated. The system may obtain, via a first camera system, first image data associated with the work machine based on detecting that the energy transfer operation is to be initiated. The system may identify, based on the first image data, a first location of a receptacle access point on the work machine. The system may obtain, via a second camera system, second image data associated with the receptacle access point based on detecting that an end effector of a robotic system is in a ready position. The system may identify, based on the second image data, a second location associated with the receptacle access point. The system may perform, via the robotic system, an action based on the second location.
In some implementations, an energy transfer system includes a housing. The energy transfer system includes a robotic system that includes an end effector for enabling energy transfer, the robotic system being movable between an interior of the housing and an external environment. The energy transfer system includes an energy transfer dispenser system configured to output energy, the energy transfer dispenser system being located in the external environment. The energy transfer system includes one or more energy transfer cables coupled to the end effector. The energy transfer system includes an energy transfer outlet system mounted in the interior of the housing, the energy transfer outlet system enabling a connection between the one or more energy transfer cables and the energy transfer dispenser system.
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
B60L 53/18 - Cables specially adapted for charging electric vehicles
In some implementations, a system may detect that an energy transfer operation for a work machine is to be initiated. The system may obtain, via a camera system, image data depicting an external environment based on detecting that the energy transfer operation is to be initiated, wherein the external environment is external to a housing of a robotic system that is associated with the system. The system may perform, based on the image data, one or more actions via the robotic system to initiate the energy transfer operation.
In some implementations, an energy transfer system includes a housing. The energy transfer system includes a robotic system movable between an interior of the housing and an external environment. The energy transfer system includes one or more energy transfer cables coupled to the robotic system for enabling energy transfer. The energy transfer system includes a cable management system configured within the interior of the housing, the cable management system comprising one or more cable holder components movably configured on a slide apparatus, and the one or more energy transfer cables are configured to be routed through respective cable holder components of the one or more cable holder components.
In some implementations, an energy transfer system includes a housing. The energy transfer system includes a robotic system that includes one or more components for enabling energy transfer. The energy transfer system includes a slide system configured to move the robotic system between an interior of the housing and an external environment. The slide system includes a slider body mounted to a floor of the housing. The slide system includes a mounting base movably connected to the slider body, a base of the robotic system being mounted to the mounting base.
A microgrid controller of a microgrid includes one or more memories configured to store a power distribution schedule comprising a plurality of time segments; a communication interface configured to receive energy resource information corresponding to a plurality of energy resource systems connected to the microgrid, and output control signals for controlling an operation of each energy resource system of the plurality of energy resource systems; and one or more processors, coupled to the one or more memories, configured to: monitor a current time to determine a current time segment among the plurality of time segments; and generate the control signals based on the current time segment within the power distribution schedule to dynamically control the operation of each energy resource system of the plurality of energy resource systems.
A power distribution system includes a macrogrid controller configured to control one or more first loads associated with a macrogrid, wherein the one or more first loads include a microgrid comprising one or more second loads and a plurality of energy resource systems; and a microgrid controller configured to receive one or more control signals from the macrogrid controller and control a power connection of the microgrid to the macrogrid based on the one or more control signals. The microgrid controller is configurable in a grid-connected mode, during which the microgrid is connected to the macrogrid, and a stand-alone mode, during which the microgrid is disconnected from the macrogrid, and wherein the microgrid controller is configured to operate in the grid-connected mode or in the stand-alone mode based on the one or more control signals.
An autonomous energy transfer system includes a robotic system that includes an end effector; a slide system for moving the robotic system; a cable management system for managing energy transfer cables; an energy transfer outlet system for the energy transfer cables; a first camera system for obtaining image data associated with a receptacle access point of a work machine; a second camera system for obtaining image data associated with an access mechanism of the receptacle access point and one or more receptacles included in the receptacle access point; a door opening system for opening an access door of the receptacle access point; a door closing system for closing the access door; a connector retention system for enabling coupling between one or more plugs of the end effector and the one or more receptacles; and a connector protection system for protecting the one or more plugs.
An energy transfer system includes a robotic system and a door opening system. The robotic system includes an end effector for enabling an energy transfer to a work machine via a receptacle access point of the work machine. The door opening system is mounted on the end effector of the robotic system. The door opening system is configured to open an access door of the receptacle access point. The door opening system includes a manipulation system for manipulating an access mechanism of the receptacle access point to allow the access door to open.
A rail handling tool may include a mounting plate including a top end, a bottom end, and a pair of side ends. The rail handling tool may include a plurality of rail holding members extending from the bottom end of the mounting plate. The rail handling tool may include an actuator assembly configured to, at least one of, lock or unlock the plurality of rail holding members in unison.
A charge dispenser device to charge battery electric machines (BEMs) includes multiple charger input receptacles to receive electrical energy from multiple charger devices; a cable connector configured to connect to a charging cable, wherein the charging cable is connectable to the BEM; and a dispenser controller. The dispenser controller is configured to receive an indication from a fleet controller of a fleet management unit to start a charging session with the BEM; determine when the BEM is connected for charging; receive charging information for the BEM; activate a multiple number of charger devices for the charge dispenser to receive charging energy from the charger devices in parallel, and deliver the charging energy to the BEM during the charging session; change the number of charger devices activated during the charging session; and send an indication to the fleet controller when charging of the BEM is complete.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
67.
BATTERY THERMAL MANAGEMENT MODULE FOR WORK MACHINE
A battery thermal management module for a work machine includes a housing. The housing includes a first side wall, a second side wall disposed opposite the first side wall along a first axis, a top wall extending along the first axis and connecting the first side wall with the second side wall, and a bottom wall disposed opposite the top wall and connecting the first side wall with the second side wall. The battery thermal management module is adapted to be removably coupled with the work machine, proximal to a front end of the work machine, via at least one of the first side wall, the second side wall, the top wall, and the bottom wall of the housing. The battery thermal management module also includes a cooling assembly disposed within the housing and adapted to supply a coolant to a battery system associated with the work machine.
H01M 10/6569 - Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
B60R 16/033 - 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 supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
Provided herein are systems and methods for enhancing thermal management of a battery pack of a heavy vehicle. For example, the heavy vehicle may include a battery pack, a first thermal management system including a plurality of fans, a second thermal management system including a coolant circuit arranged to cool the battery pack, and one or more processors configured to detect a charge event of the battery pack and, responsive to detecting the charge event, modify a fan speed of at least one of the plurality of fans of the first thermal management system to prioritize cooling of the battery pack via the second thermal management system.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
69.
SYSTEMS AND METHODS OF BATTERY THERMAL MANAGEMENT BASED ON CURRENT DEMANDS
Provided herein are systems and methods for managing a temperature of a battery pack. For example, a method may include determining, by one or more processors, a heat load for the battery pack for a first time window based on one or more metrics for a second time window, applying, by the one or more processors, the heat load to a threshold criteria, and transmitting, by the one or more processors, a signal to a thermal management system, to modify a condition of the thermal management system for cooling the battery pack, responsive to the heat load satisfying the threshold criteria.
Provided herein are systems and methods for managing a temperature of a battery pack. For example, the method may include detecting, by one or more processors, a charge event for the battery pack, and, responsive to detecting the charge event, determining, by the one or more processors, a heat load for the battery pack, based on a current demand corresponding to the charge event of the battery pack, and transmitting, by the one or more processors, a signal to a thermal management system, to modify a condition of the thermal management system for cooling the battery pack, responsive to determining the heat load.
H01M 10/633 - Control systems characterised by algorithms, flow charts, software details or the like
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 58/16 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
An energy transfer system for an electrically powered machine may include a single compartment of the machine. The single compartment of the machine may include an electrical circuit. The electrical circuit may include one or more switches. The one or more switches may be configured to electrically connect and disconnect the energy transfer system from a power source. The electrical circuit may further include a power distribution system. The power distribution system may be configured to accept power from the power source and supply the power to the electrically powered machine. The electrical circuit may still further include an overcurrent protection system. The overcurrent protection system may be configured to prevent an excess flow of current into the electrically powered machine.
An electric work machine that has a powertrain controller and a battery system is disclosed. The battery system has at least one battery string that, when they are all connected, form a circuit of the battery system. One or multiple battery modules and a contactor are connected in series to form each battery string. When a battery string is to be taken offline, a battery control system sends a warning signal to a powertrain controller to reduce a current being drawn from the battery system prior to the connector opening up to disconnect the battery string that is being taken offline from the circuit.
B60L 58/16 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
73.
Hydraulic Load Management for Electric Motor Driven Systems
Hydraulic load management for electric motor driven systems, such as hydraulic systems in a work machine, is disclosed. The hydraulic system may include an electric motor coupled to a hydraulic pump to provide hydraulic fluid to a hydraulic actuator, and a power bus may connect an electric power source to the electric motor. Hydraulic load management may include determining an actual electric power available at the electric power source, comparing the actual electric power to a threshold electric power for operating the electric motor at a full capacity, and setting a value for an available electric power and a current power curve for the electric motor corresponding to the available electric power. When hydraulic system input is detected, electric power is provided via the power bus, and the electric motor is operated at a motor speed based on the current power curve and a commanded speed from the hydraulic system input.
In one instance, disclosed herein is a method for automating a train car classification process, including: receiving information indicating at least one train car within a classification yard and a classification track within the classification yard; generating, based at least in part on the at least one train car and the classification track, at least one classification control command for a classification locomotive within the classification yard; and providing the at least one classification control command to the classification locomotive for execution, wherein execution of the at least one classification control command by the classification locomotive causes the classification locomotive to move the at least one train car to the classification track.
A power distribution system includes a macrogrid controller configured to control one or more first loads associated with a macrogrid, wherein the one or more first loads include a microgrid comprising one or more second loads and a plurality of energy resource systems; and a microgrid controller configured to receive one or more control signals from the macrogrid controller and control a power connection of the microgrid to the macrogrid based on the one or more control signals. The microgrid controller is configurable in a grid-connected mode, during which the microgrid is connected to the macrogrid, and a stand-alone mode, during which the microgrid is disconnected from the macrogrid, and wherein the microgrid controller is configured to operate in the grid-connected mode or in the stand-alone mode based on the one or more control signals.
H02J 3/06 - Controlling transfer of power between connected networksControlling sharing of load between connected networks
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 3/28 - Arrangements for balancing the load in a network by storage of energy
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
76.
SYSTEMS AND METHODS FOR IDENTIFYING AND PREDICTING INDUSTRIAL MACHINE MAINTENANCE EVENTS
System (200)s and methods are disclosed herein for identifying and predicting maintenance events with respect to assets, such as mobile machinery. A computing platform can include control circuit(s) (on-board and/or remote) configured to acquire machine fault data and machine utilization data. A feature set can be generated by transforming the machine fault data (e.g., by fusing the machine fault data with machine utilization data), normalizing the data, generating embeddings, and/or executing imputation algorithms to fill in missing values. A classifier model (260) can be trained using the transformed machine fault data in conjunction with labeled maintenance event data to enable the trained classifier model (260) to learn to recognize utilization-specific fault code patterns. The trained classifier model (260) can generate inferences and predictions regarding machinery maintenance events without the use of maintenance data.
An energy transfer system (300) comprises a robotic system (306) and a connector protection system (324). The robotic system (306) includes an end effector (308) for enabling an energy transfer to a work machine (100) via a receptacle access point (104) of the work machine (100). The energy transfer is to occur when one or more plugs (402) of the end effector (308) are coupled to one or more receptacles (206) included in the receptacle access point (104). The connector protection system (324) is mounted on the end effector (308) of the robotic system (306). The connector protection system (324) is configured to protect the one or more plugs (402) of the end effector (308) when the one or more plugs (402) are not coupled to the one or more receptacles (206). The connector protection system (324) includes a connector protection mechanism (404) for covering the one or more plugs (402) and an adjustment system (406) for removing and replacing the connector protection mechanism (404).
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewingSafety devices combined with or specially adapted for use in connection with manipulators
An autonomous energy transfer system (300) includes a robotic system (306) that includes an end effector (308); a slide system (310) for moving the robotic system (306); a cable management system (312) for managing energy transfer cables (338); an energy transfer outlet system (314) for the energy transfer cables (338); a first camera system (316) for obtaining image data associated with a receptacle access point (104) of a work machine (100); a second camera system (318) for obtaining image data associated with an access mechanism (204) of the receptacle access point (104) and one or more receptacles (206) included in the receptacle access point (104); a door opening system (320) for opening an access door (202) of the receptacle access point (104); a door closing system (326) for closing the access door (202); a connector retention system (322) for enabling coupling between one or more plugs (402) of the end effector (308) and the one or more receptacles (206); and a connector protection system (324) for protecting the one or more plugs (402).
An energy transfer system (300) includes a robotic system (306) and a door opening system (320). The robotic system (306) includes an end effector (308) for enabling an energy transfer to a work machine (100) via a receptacle access point (104) of the work machine (100). The door opening system (320) is mounted on the end effector (308) of the robotic system (306). The door opening system (320) is configured to open an access door (202) of the receptacle access point (104). The door opening system (320) includes a manipulation system (404) for manipulating an access mechanism (204) of the receptacle access point (104) to allow the access door (202) to open.
A bracket assembly for supporting a pass-through current sensor with respect to a bus bar is disclosed. The bracket assembly has two sections which each contain channels that conform to the shape of one or more segment of the bus bar. The sections are configured to couple to one another over the segments such that the bracket assembly is clamped to the bus bar. An aperture in the current sensor is passed over the bus bar and the sensor is coupled to the bracket assembly, thereby indirectly coupling the bus bar to the sensor.
G01R 1/04 - HousingsSupporting membersArrangements of terminals
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
A contactor assembly (300) for connecting a mobile machine (140) to a plurality of conductor rails (122) may include a base (310) having a length, a width, and a height, and a top surface (311), a bottom surface (312), a first side region (313), a second side region (314), and a central region (315) between the first and second side regions. The contactor assembly may further include at least one conductor terminal (320) located in each region of the base, with each conductor terminal including a bottom surface exposed at the bottom surface of the base. The central region may be offset from the first and second side regions along a height direction.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
H01R 3/00 - Electrically-conductive connections not otherwise provided for
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B60L 5/04 - Current-collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
B60L 50/50 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
B60L 5/39 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails from third rail
B60L 5/40 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
B60L 50/10 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
In some implementations, a system may detect that an energy transfer operation for a work machine (100) is to be initiated. The system may obtain, via a first camera system (316), first image data associated with the work machine (100) based on detecting that the energy transfer operation is to be initiated. The system may identify, based on the first image data, a first location of a receptacle access point (104) on the work machine (100). The system may obtain, via a second camera system (318), second image data associated with the receptacle access point (104) based on detecting that an end effector (308) of a robotic system (306) is in a ready position. The system may identify, based on the second image data, a second location associated with the receptacle access point (104). The system may perform, via the robotic system (306), an action based on the second location.
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
A frame casting assembly (200) for a frame (102) of a work machine (100) is disclosed. The frame casting assembly (200) comprises a first end (300), a middle section (302), and second end (304), the first end (300) extending from the middle section (302) and the second end (304) extending from the middle section (302); the middle section (302) includes: a shaft cutout (306); a box casting section (308) for managing bending; a first leg (310) and a second leg (312) extending from the middle section (302); a bridge casting section (314) connecting the first leg (310) and the second leg (312); and the box casting section (308) and the bridge casting section (314) enclose the shaft cutout (306).
B22D 19/04 - Casting in, on, or around, objects which form part of the product for joining parts
B22D 19/02 - Casting in, on, or around, objects which form part of the product for making reinforced articles
B22C 9/24 - Moulds for peculiarly-shaped castings for hollow articles
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
A modular charge dispenser device includes a plurality of charger inputs to receive charge energy from a plurality of charger devices, wherein each charger device is configured to provide charge energy to charge a BEM; a charge dispenser bus; a multi-voltage converter configured to combine charge energy received via a multiple number of the charger inputs and output aggregated charge energy to the charge dispenser bus; and at least one output connector configured to output the aggregated charge energy from the charge dispenser bus.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/67 - Controlling two or more charging stations
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
85.
SYSTEMS AND METHODS OF BATTERY THERMAL MANAGEMENT BASED ON CURRENT DEMANDS
Provided herein are systems and methods for managing a temperature of a battery pack. For example, a method may include determining, by one or more processors, a heat load for the battery pack for a first time window based on one or more metrics for a second time window, applying, by the one or more processors, the heat load to a threshold criteria, and transmitting, by the one or more processors, a signal to a thermal management system, to modify a condition of the thermal management system for cooling the battery pack, responsive to the heat load satisfying the threshold criteria.
B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
Provided herein are systems and methods for managing a temperature of a battery pack. For example, the method may include determining a thermal condition of one or more of a plurality of battery cells of the battery pack, applying the thermal condition to a threshold criteria, and modifying a condition of a thermal management system of the battery pack responsive to the thermal condition satisfying the threshold criteria.
B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
An electrical transformer core assembly (100) may include a magnetic core (102), a set of coils, including a primary coil (106) surrounding a first portion of the magnetic core, and a secondary coil (120) surrounding the primary coil, and a heat exchanger (104) located between the magnetic core and the primary coil. The heat exchanger may also include a heat exchanger body including an outer surface (128) and an inner surface (139), wherein the outer surface is substantially non-linear as viewed in a cross-sectional plane normal to a longitudinal axis (115) of the body, and the inner surface substantially conforms to an outer surface of the magnetic core.
A method and system are provided for deploying a rail connector assembly (200) of a mobile machine (140) onto one or more conductor rails. The rail connector assembly includes a boom assembly (210) connected to a frame (150) of the machine, an arm assembly (230) connected to an end of the boom assembly, and a contactor assembly (220) coupled to an end of the arm assembly. The method includes deploying the boom assembly from a stowed condition to a deployed condition with at least one boom assembly hydraulic actuator, deploying the arm assembly from a stowed condition to a deployed condition with at least one arm assembly hydraulic actuator, and providing hydraulic assist to the at least one arm assembly hydraulic actuator, as a function of a contact relationship of the contactor assembly with one or more conductor rails.
B60L 5/16 - Devices for lifting and resetting the collector
B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
F15B 11/08 - Servomotor systems without provision for follow-up action with only one servomotor
89.
A MOBILE MACHINE POWER CONDUCTOR LINKAGE FOR RECEIVING POWER FROM A POWER CONDUCTOR RAIL ASSEMBLY
A mobile machine power conductor linkage for receiving power from a power conductor rail assembly, comprising a movable conductor arm assembly. The movable conductor arm assembly may include a proximal portion including a first proximal end pivotably coupled to a mobile machine and a first distal end, and a distal portion including (i) a second proximal end pivotably coupled to the first distal end of the proximal portion and (ii) a second distal end extendable away from a side of the mobile machine. The side of the mobile machine may be located between a front end and a rear end of the mobile machine; and the movable conductor arm assembly may be movable between a retracted position and an extended position.
B60L 5/08 - Structure of the sliding shoes or their carrying means
B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
B60L 5/38 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
B60L 5/40 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
B60L 9/00 - Electric propulsion with power supply external to the vehicle
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B66C 13/12 - Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts or devices
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
90.
RAIL CONNECTOR ASSEMBLY FOR CONNECTING A MOBILE MACHINE TO AN ELECTRICALLY-CONDUCTING RAIL SYSTEM
A rail connector assembly (200) for connecting a mobile machine (130) to an electrically-conducting rail system (120) includes a boom assembly (202), a trailing arm assembly (204) and a contactor assembly (206). The boom assembly includes a main boom (208) and a boom tip (210). A first end of the main boom is configured to be coupled to the mobile machine, and a second end of the main boom opposite to the first end is pivotably coupled to the boom tip. The boom tip includes an angled portion (210C) that extends at a non-zero angle from a longitudinal axis of the main boom. The trailing arm assembly is pivotably coupled to an end of the boom tip. The contactor assembly is pivotably coupled to an end of the trailing arm assembly.
B60L 5/38 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
B60L 5/40 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
B60L 9/00 - Electric propulsion with power supply external to the vehicle
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B66C 13/12 - Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts or devices
H02G 11/00 - Arrangements of electric cables or lines between relatively-movable parts
A low footprint energy storage system installation includes a plurality of energy storage systems arranged in a stacked configuration to reduce a footprint of installation, and an indication system externally disposed relative to the plurality of energy storage systems. The indication system includes a housing, a fire alarm device, a discharge alarm device, and a panel assembly at least partially disposed in the housing and including an annunciation panel. The indication system includes a controller at least partially disposed in the housing and in communication with each of the plurality of energy storage systems, the fire alarm device, the discharge alarm device, and the panel assembly. The low footprint energy storage system installation further includes a thermal management system and a fire suppressing system communicably coupled with the controller of the indication system and in fluid communication with each of the plurality of energy storage systems.
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
A62C 3/06 - Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
G08B 17/10 - Actuation by presence of smoke or gases
A drive circuit includes power devices that provide current to a load. At least a portion of the power devices are disposed in a first voltage domain of the drive circuit; a controller circuit configured to provide control signals to activate and deactivate the power devices, wherein the controller circuit is disposed in a second voltage domain separated from the first voltage domain by a first voltage isolation barrier; a smart gate driver configured to transfer a control signal from the second voltage domain to another voltage domain; and an over-current detection circuit disposed in the first voltage domain and configured to produce a fault signal when detecting a current fault condition of the power devices and send the fault signal as a soft-shutdown signal to the smart gate driver. The smart gate driver performs a soft-shutdown of the power devices in response to the soft-shutdown signal.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
H02H 7/08 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
H02H 9/00 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
H03K 17/0812 - Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
An energy transfer system includes a robotic system and a door closing system. The robotic system includes an end effector for enabling an energy transfer to a work machine via a receptacle access point of the work machine. The door closing system is mounted on the end effector of the robotic system. The door closing system is configured to close an access door of the receptacle access point. The door closing system includes an interaction system for interacting with the access door to allow the access door to close.
An energy transfer system includes a robotic system and a connector retention system that includes an end effector for enabling an energy transfer to a work machine via a receptacle access point of the work machine, wherein the energy transfer is to occur when one or more plugs of the end effector are coupled to one or more receptacles of the receptacle access point. The connector retention system is mounted on the end effector of the robotic system and is configured to enable coupling between the one or more plugs and the one or more receptacles. The connector retention system includes a compliance system for providing multi-axis alignment flexibility for the one or more plugs to facilitate coupling of the one or more plugs to the one or more receptacles, and includes a first end component, a second end component, a middle component, and a plurality of flexible connectors.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
95.
CONNECTOR PROTECTION SYSTEM OF AN ENERGY TRANSFER SYSTEM
An energy transfer system comprises a robotic system and a connector protection system. The robotic system includes an end effector for enabling an energy transfer to a work machine via a receptacle access point of the work machine. The energy transfer is to occur when one or more plugs of the end effector are coupled to one or more receptacles included in the receptacle access point. The connector protection system is mounted on the end effector of the robotic system. The connector protection system is configured to protect the one or more plugs of the end effector when the one or more plugs are not coupled to the one or more receptacles. The connector protection system includes a connector protection mechanism for covering the one or more plugs and an adjustment system for removing and replacing the connector protection mechanism.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
A contactor assembly for connecting a mobile machine to a plurality of conductor rails may include a base having a length, a width, and a height, and a top surface, a bottom surface, a first side region, a second side region, and a central region between the first and second side regions. The contactor assembly may further include at least one conductor terminal located in each region of the base, with each conductor terminal including a bottom surface exposed at the bottom surface of the base. The central region may be offset from the first and second side regions along a height direction.
A service housing for a battery module may include an enclosure coupled to an end of the battery module, and a cover assembly coupled to a service end of the enclosure. The cover assembly may include a first removable cover removably attachable over a first service area portion of the service end, a second removable cover removably attachable to the service end and including an opening allowing access to a second service area, a third removable cover removably positioned within the opening of the second removable cover, and a fourth removable cover removably attachable to the second removable cover opposite the enclosure so as to cover the opening.
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
A bracket assembly for supporting a pass-through current sensor with respect to a bus bar is disclosed. The bracket assembly has two sections which each contain channels that conform to the shape of one or more segment of the bus bar. The sections are configured to couple to one another over the segments such that the bracket assembly is clamped to the bus bar. An aperture in the current sensor is passed over the bus bar and the sensor is coupled to the bracket assembly, thereby indirectly coupling the bus bar to the sensor.
A modular charge dispenser device includes a plurality of charger inputs to receive charge energy from a plurality of charger devices, wherein each charger device is configured to provide charge energy to charge a BEM; a charge dispenser bus; a multi-voltage converter configured to combine charge energy received via a multiple number of the charger inputs and output aggregated charge energy to the charge dispenser bus; and at least one output connector configured to output the aggregated charge energy from the charge dispenser bus.
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
100.
SYSTEMS AND METHODS OF BATTERY THERMAL MANAGEMENT BASED ON BATTERY CELL TEMPERATURE
Provided herein are systems and methods for managing a temperature of a battery pack. For example, the method may include determining a thermal condition of one or more of a plurality of battery cells of the battery pack, applying the thermal condition to a threshold criteria, and modifying a condition of a thermal management system of the battery pack responsive to the thermal condition satisfying the threshold criteria.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating