ZF Commercial Vehicle Systems (Qingdao) Co., Ltd. (Chine)
Inventeur(s)
Hao, Xiucheng
Yuan, Haiqiang
Zhao, Xiaoxing
Abrégé
An air compressor cylinder head includes a valve seat plate, a manifold plate and a cylinder cover that sequentially cover each other; and an inner cavity of the manifold plate is provided with an air channel and a liquid channel. The air channel is provided with a plurality of air inlets and outlets, the liquid channel is provided with a plurality of liquid inlets and outlets, and the air inlets and outlets and the liquid inlets and outlets are distributed on an end face of the cylinder cover, a side wall of the manifold plate and an end face of the valve seat plate.
ZF Commercial Vehicle Systems (Qingdao) Co., Ltd. (Chine)
Inventeur(s)
Hao, Xiucheng
Yuan, Haiqiang
Abrégé
An unloading device is applied to an air compressor including a plurality of cylinders, and includes: a plurality of unloading valves, each unloading valve movably covering an unloading hole of one cylinder; an unloading cavity in communication with the unloading hole; an intake cavity in communication with the unloading cavity; and a piston member connected to the plurality of unloading valves by means of a shift fork. In an unloading state, the piston member is capable of driving, by means of the shift fork, the unloading valve to move to uncover the unloading hole, so that air in the plurality of cylinders circulates back and forth through the unloading cavity to make the air compressor enter the unloading state, and the air compressor maintains an optimal unloading state by using the intake cavity in communication with the unloading cavity.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Jiao, Xin
Dai, Zhuo
Sun, Yinghui
Jiang, Yong
Abrégé
A vehicle predictive cruise control method, which comprises: a predetermined cruise speed and an optimal cruise requirement; according to road condition information for the road section ahead, and a present vehicle dynamic driving situation limited by a dynamic driving parameter, determining possible speed trajectories for the vehicle on the road section ahead, wherein the road condition information comprises slope information, curvature information and speed limit information; selecting an optimal speed trajectory from the possible speed trajectories, wherein the optimal speed trajectory corresponds to the speed trajectory having the smallest overall cost while satisfying optimal cruise requirements; and using the optimal speed trajectory as a target vehicle speed trajectory for predictive cruise control of the vehicle. The method combines various types of road condition information so as to comprehensively plan optimal vehicle cruise speed and engine torque requirements, satisfying optimal cruise requirements at least comprising saving energy, and/or saving time, and/or avoiding excessive heavy use of vehicle brakes. Additionally disclosed are an apparatus for vehicle predictive cruise control, an electronic device for vehicle predictive cruise control, a vehicle, and a computer-readable medium.
B60W 40/06 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés à l'état de la route
4.
METHOD AND APPARATUS FOR IDENTIFYING TRACTION-FREE STAGE IN GEAR SHIFTING INTERVAL OF NON-POWERSHIFT TRANSMISSION, AND ELECTRONIC DEVICE
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Chen, Shiang
Yang, Jianing
Abrégé
A method and apparatus for identifying a traction-free stage in a gear shifting interval of a non-powershift transmission, and an electronic device. The method comprises: acquiring vehicle data during the driving of a vehicle equipped with a non-powershift transmission, the vehicle data comprising vehicle speed and engine speed; calculating a speed ratio of the vehicle speed to the engine speed; distinguishing between non-gear-shifting intervals and gear shifting intervals, wherein if the speed ratio is within a preset boundary range and lasts for a first preset duration, then identifying same as a non-gear-shifting interval, and otherwise, identifying same as a gear shifting interval; and identifying as a traction-free stage a stage satisfying at least one of the following conditions during a gear shifting interval: the absolute value of the rate of change of the speed ratio being greater than a predetermined value and lasting for a second predetermined duration, and the rate of change of the speed ratio being unchanged and non-zero and lasting for a second predetermined duration. The method accurately identifies a traction-free stage in a gear shifting interval of a non-powershift transmission.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Yang, Jianing
Abrégé
The present invention relates to the field of vehicle control. Disclosed are a method and apparatus for evaluating the load eccentricity of a vehicle, and an electronic device, a computer-readable medium and a vehicle. A particular embodiment of the method comprises: acquiring the current load distribution of a vehicle, wherein the load distribution comprises position information and weight information of a plurality of weighing portions on the vehicle; calculating the current load eccentricity, wherein the eccentricity represents the degree to which the current load center of the vehicle deviates from the geometric center of each of the plurality of weighing portions; and outputting the eccentricity, and the relative position of the load center relative to the geometric center. By means of the embodiment, the current load distribution state can be clearly and directly provided to a vehicle user.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Dai, Zhiyong
Yang, Jianing
Abrégé
Disclosed in the present invention are a method and apparatus for identifying the operating state of a sensor system, and an electronic device and a computer-readable medium. The method comprises: for each sensor among a plurality of resistance-strain-type sensors of a sensor system that collaborate with each other, periodically collecting an output voltage of the sensor within each of a plurality of sub-intervals partitioned from one or more identification intervals (S201); checking whether the sensor should be in operation (S202); and if the sensor should be in operation, identifying an actual operating state of the sensor by means of the output voltage (S203). By means of the method, an abnormal operating state of a single sensor in a sensor system can be easily identified.
G01G 23/00 - Dispositifs accessoires pour appareils de pesée
7.
METHOD AND APPARATUS FOR PREDICTIVELY CONTROLLING AIR COMPRESSOR HAVING ENERGY RECOVERY FUNCTION FOR VEHICLE, ELECTRONIC DEVICE, AND COMPUTER READABLE MEDIUM
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Liang, Zenghe
Abrégé
The present invention relates to a method and apparatus for predictively controlling an air compressor having an energy recovery function for a vehicle, an electronic device, and a computer readable medium. The method comprises the following steps: acquiring electronic horizon data from an ADASIS map to obtain information about a road ahead and predicting a commanded vehicle speed by means of predictive economical cruise speed planning control (S1); and when the commanded vehicle speed indicates that a vehicle decelerates in gear, adjusting the lower threshold for charge pressure control of an air compressor to a value higher than a default value therefor (S2).
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Deng, Shi
Abrégé
The present invention relates to a predictive vehicle cruise control system and method, and a vehicle comprising the system. The predictive vehicle cruise control system comprises: a forward terrain information acquisition device used for acquiring terrain information in a preset distance range on a forward expected driving road of a vehicle when the vehicle runs, wherein the terrain information at least comprises the coordinates and the gradient of the forward expected driving road; a task planning device used for planning the running control of the vehicle on the forward expected driving road; and an overspeed identification device used for determining whether the expected vehicle speed of the vehicle on the forward expected driving road exceeds a predetermined protection range or not. When a downhill road section is present in the acquired terrain information such that the expected vehicle speed exceeds the predetermined protection range, the task planning device re-plans the running control of the vehicle so as to (i) temporarily extend the predetermined protection range, or (ii) extend the interval between adjacent braking events.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Dai, Zhiyong
Deng, Shi
Yang, Jianing
Zhou, Jianwu
Abrégé
Disclosed are a method and apparatus for estimating slope on the basis of a weight distribution change of a vehicle, and an electronic device, a vehicle, and a computer-readable medium. The method comprises: obtaining a reference weight distribution on a road of a vehicle having a reference weight; calculating and using as theoretical weight distribution changes the differences between the reference weight distribution and the weight distribution of the vehicle on inclined roads having various slope angles; establishing a correction table according to the trend of the theoretical weight distribution changes at different slope angles; obtaining a real-time weight distribution of the vehicle on an inclined road having a real-time slope angle; calculating and using as a real-time weight distribution change the difference between the reference weight distribution and the real-time weight distribution; and according to the trend of the real-time weight distribution changes, obtaining from the correction table the real-time slope. The method can estimate slope in a simple and widely-applicable manner.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Zhao, Xiaoxing
Ma, Shaohua
Yuan, Haiqiang
Abrégé
An air compressor for a vehicle, comprising a valve seat plate (3) and an unloading device. The valve seat plate (3) is provided with two unloading through holes (31A, 31B) respectively connected to two compression cylinder bodies of a crankcase (1). The unloading device comprises: a control channel; two unloading valve plates (4A, 4B) having a first position in which the unloading through holes (31A, 31B) are opened and a second position in which the unloading through holes (31A, 31B) are closed; a first channel (21) in communication with the two unloading through holes (31A, 31B); and two control cavities (C), two control units (13) being arranged in each control cavity (C), each control unit (13) being connected to one of the unloading valve plates (4A, 4B), the two control cavities (C) being respectively in communication with the control channel, and an air pressure control unit (13) of the control channel being in a first state in which the unloading valve plates (4A, 4B) are located in the first position or a second state in which the unloading valve plates (4A, 4B) are located in the second position.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Liang, Zenghe
Abrégé
A method for adjusting the torque of a vehicle engine using an optimal air-fuel ratio, comprising: step 1, obtaining a specific fuel consumption map of a vehicle; step 2, finding a plurality of theoretical operating points, having minimum specific fuel consumption, of the vehicle engine on the specific fuel consumption map, and respectively calculating optimal air-fuel ratios; step 3, fitting the calculated optimal air-fuel ratios into an air-fuel ratio curve, and thus obtaining a correspondence chart between the rotational speeds of the vehicle engine at the theoretical operating points and the optimal air-fuel ratios; and step 4, during the traveling of the vehicle, when the current actual air-fuel ratio of the engine is less than the optimal air-fuel ratio corresponding to the current actual rotational speed in the correspondence chart, adjusting the current actual torque of the vehicle engine to the torque corresponding to the current actual rotational speed at the corresponding theoretical operating point. In practical applications, fuel efficiency can be fully considered and costs can be reduced. The present invention further relates to an apparatus for adjusting the torque of a vehicle engine using an optimal air-fuel ratio, an electronic device, and a computer readable medium.
F02D 41/14 - Dispositions de circuits pour produire des signaux de commande introduisant des corrections à boucle fermée
F02D 29/02 - Commande de moteurs, cette commande étant particulière aux dispositifs entraînés, ces dispositifs étant autres que des organes ou accessoires essentiels à la marche du moteur, p.ex. commande de moteur par des signaux extérieurs particulière aux moteurs entraînant des hélices à pas réglable
12.
CRANKSHAFT OIL PASSAGE, AIR COMPRESSOR CRANKSHAFT AND AIR COMPRESSOR
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Yuan, Haiqiang
Ni, Ronghua
Abrégé
A crankshaft oil passage, an air compressor crankshaft and an air compressor. The crankshaft oil passage comprises: a main oil passage (410), which penetrates a main journal (330a) and a connecting rod journal (330b) of a crankshaft (300); and oil sub-passages (420), which are in communication with the main oil passage (410) and extend from a peripheral wall of the connecting rod journal (330b), wherein the oil sub-passages (420) are each provided with an oil output hole (420') located in the peripheral wall of the connecting rod journal (330b); and an included angle between the extension direction of the oil output hole (420') and the normal direction of the peripheral wall of the connecting rod journal (330b) is less than a preset angle.
F04B 37/12 - Pompes spécialement adaptées aux fluides compressibles et ayant des caractéristiques pertinentes non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes pour utilisation particulière pour obtenir une haute pression
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Liu, Zhengwei
Abrégé
A predictive braking control method for an autonomous vehicle, comprising the following steps: receiving future speed trajectory data from an autonomous vehicle; calculating a target acceleration value and a coasting acceleration value on the basis of the future speed trajectory data; on the basis of a comparison of the target acceleration value to the coasting acceleration value, determining whether the autonomous vehicle is in a braking control state; and triggering corresponding predictive braking control of the autonomous vehicle on the basis of the braking control state. In practical application, the problems of braking response delay, non-smoothness of braking of an EBS and slow braking response of a retarder can be solved. The present invention further relates to a predictive braking control apparatus for an autonomous vehicle, an electronic device, and a computer readable storage medium.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Chen, Shiang
Yang, Jianing
Abrégé
The present invention relates to the technical field of vehicle control. Disclosed are a method and apparatus for identifying a traction-free stage in a gear shifting section of an automated manual transmission. A specific embodiment of the method comprises: acquiring vehicle data during traveling of a vehicle equipped with an automated manual transmission, wherein the vehicle data at least comprises a vehicle speed, an engine rotation speed and a gear shifting event; calculating an identification coefficient, wherein the identification coefficient depends on the speed ratio of a wheel-end equivalent speed of the engine rotation speed to the vehicle speed; distinguishing a non-gear-shifting section from a gear shifting section, wherein if there is no gear shifting event, the non-gear-shifting section is identified, otherwise, the gear shifting section is identified; and in the gear shifting section, if the identification coefficient exceeds a predetermined boundary range, identifying a traction-free stage. By means of the embodiment, a traction-free stage in a gear shifting section of an automated manual transmission is accurately identified.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Yang, Jianing
Abrégé
A method and apparatus for identifying a traction-free stage in a gear-shifting interval of a non-power gear-shifting transmission, relating to the technical field of vehicle control. The method comprises: during the travelling of a vehicle equipped with a non-power gear-shifting transmission, acquiring vehicle data, the vehicle data at least comprising a vehicle speed; calculating a vehicle acceleration according to the vehicle speed; distinguishing a non-gear-shifting interval from a gear-shifting interval according to the vehicle data; and identifying a stage meeting the following condition in the gear-shifting interval as a traction-free stage: in the stage, the vehicle acceleration is lower than an acceleration threshold and the fitting quality of a linear regression of the vehicle speed is higher than a predetermined value. According to the method, a traction-free stage in a gear-shifting interval of a non-power gear-shifting transmission is accurately identified.
F16H 61/682 - Fonctions internes aux unités de commande pour changements de vitesse ou pour mécanismes d'inversion des transmissions transmettant un mouvement rotatif spécialement adaptées aux transmissions étagées avec interruption de l'entraînement
16.
GEAR SHIFT ASSIST CONTROL METHOD AND APPARATUS FOR AMT
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Deng, Shi
Abrégé
A gear shift assist control method and apparatus for an AMT. The method comprises: acquiring vehicle operation related information; optimizing a speed curve of a vehicle according to the vehicle operation related information; and according to the optimized speed curve, predicting an optimal gear of an AMT, and performing assist control on gear shift of the AMT. According to the method, the gear shift of the AMT is optimized by combining information inside a vehicle and traffic information outside the vehicle, so that the fuel consumption and the driving smoothness of the vehicle are improved.
B60W 50/06 - COMMANDE CONJUGUÉE DE PLUSIEURS SOUS-ENSEMBLES D'UN VÉHICULE, DE FONCTION OU DE TYPE DIFFÉRENTS; SYSTÈMES DE COMMANDE SPÉCIALEMENT ADAPTÉS AUX VÉHICULES HYBRIDES; SYSTÈMES D'AIDE À LA CONDUITE DE VÉHICULES ROUTIERS, NON LIÉS À LA COMMANDE D'UN SOUS-ENSEMBLE PARTICULIER - Détails des systèmes d'aide à la conduite des véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier pour améliorer la réponse dynamique du système d'aide à la conduite, p.ex. pour améliorer la vitesse de régulation, ou éviter le dépassement de la consigne ou l'instabilité
B60W 40/04 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés aux conditions de trafic
B60W 40/06 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés à l'état de la route
17.
WEIGHING FACILITY AND VEHICLE HAVING WEIGHING FACILITY
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Zhou, Jianwu
Abrégé
The present invention relates to the technical field of vehicle engineering. Disclosed are a weighing facility and a vehicle having a weighing facility. A particular embodiment of the weighing facility comprises: a weighing sensor (4), which weighing sensor (4) is configured for acquiring a force perpendicular to a weighing surface of the weighing sensor; and a lateral force limiting apparatus, which is configured for limiting a force parallel to the weighing surface of the weighing sensor (4), and characterized in that the lateral force limiting apparatus is configured as a lever mechanism, wherein a rotary rod (2) of the lever mechanism is parallel to the weighing surface, a first force arm of the lever mechanism is fixedly connected to the weighing surface, and a second force arm of the lever mechanism is configured for being connected to a weighed heavy object. The embodiments can limit or even eliminate a lateral force in a structurally simple and low-cost manner.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Chen, Shiang
Yang, Jianing
Abrégé
Disclosed are a method, an apparatus, and an electronic device for estimating a vehicle mass, as well as a vehicle and a computer-readable medium. The method comprises: acquiring vehicle dynamics data during vehicle travel; identifying gear shifting stages of the vehicle according to the vehicle dynamics data; estimating a first mass value on the basis of the vehicle dynamics data within and prior to a first gear shifting stage, and estimating at least one second mass value on the basis of the vehicle dynamics data within and prior to at least one second gear shifting stage; allocating a first quality value to the first mass value and allocating respective second quality values to each second mass value at least on the basis of vehicle state characteristic signals for each gear shifting event, and evaluating the mass values as usable or unusable on the basis of the corresponding quality values; and generating a vehicle mass using only the usable mass values. The method is capable of identifying and eliminating poor-quality estimated mass values, so as to ensure high-quality mass estimation results.
G01G 19/02 - Appareils ou méthodes de pesée adaptés à des fins particulières non prévues dans les groupes pour peser des objets à roues ou roulants, p.ex. des véhicules
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
ZF CV SYSTEMS EUROPE BV (Belgique)
Inventeur(s)
Sun, Chao
Chamot, Marcin
Abrégé
The present invention provides an eccentric noise-reduction two-way check valve, comprising: a shell (1); an eccentric valve body (3) which is mounted in the shell (1) and comprises a push element fixing seat (31); and a push element (4) mounted on the push element fixing seat (31) and configured to push the eccentric valve body (3) in a direction in which the two-way check valve is closed, wherein the push element fixing seat (31) is arranged to be eccentric relative to the shell (1). The present invention can quickly eliminate abnormal noise with lower costs, without adding additional parts.
F16K 5/02 - Robinets à boisseau consistant seulement en un dispositif obturateur dont au moins une des faces d'obturation a la forme d'une surface de solide de révolution plus ou moins complète, le mouvement d'ouverture et de fermeture étant essentiellement rota dont les boisseaux sont à surface conique; Leurs garnitures d'étanchéité
20.
METHOD AND APPARATUS FOR REDUCING FUEL CONSUMPTION OF VEHICLE DURING AUTONOMOUS DRIVING, AND ELECTRONIC DEVICE AND COMPUTER-READABLE MEDIUM
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Liang, Zenghe
Abrégé
The present invention relates to a method and apparatus for reducing the fuel consumption of a vehicle during autonomous driving, and an electronic device and a computer-readable medium. The method comprises: when a decision system allows, on the basis of the current road condition, a vehicle to fluctuate within a commanded vehicle speed range and a commanded displacement range, learning a series of commanded vehicle speeds, which are provided by the decision system in real time; predicting the rotation speeds and torques of an engine, which rotation speeds and torques correspond to the series of commanded vehicle speeds; comparing predicted torques corresponding to a plurality of consecutive commanded vehicle speeds started from a first commanded vehicle speed of the series of commanded vehicle speeds with efficient torques of the engine at predicted corresponding rotation speeds; if the predicted torques corresponding to the plurality of consecutive commanded vehicle speeds started from the first commanded vehicle speed are not greater than the efficient torques of the engine at the predicted corresponding rotation speeds, switching to an efficient torque control mode; and when in the efficient torque control mode, enabling the engine to output an efficient torque when the engine is at a predicted rotation speed corresponding to the first commanded vehicle speed, and monitoring an actual vehicle speed of the vehicle in real time.
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Deng, Shi
Abrégé
The present invention relates to a predictive torque management method, comprising the following steps: selecting a torque range having upper boundary torque and lower boundary torque, wherein the upper boundary torque is selected to be higher than the optimal torque and/or the lower boundary torque is selected to be lower than the optimal torque, wherein the optimal torque is torque having the lowest oil consumption at a certain engine speed in engine operation; and limiting engine torque on the basis of the torque range, wherein the engine torque is limited to the upper boundary torque when a torque demand exceeds the upper boundary torque, and the engine torque is limited to zero when the torque demand is lower than the lower boundary torque.
F02D 29/02 - Commande de moteurs, cette commande étant particulière aux dispositifs entraînés, ces dispositifs étant autres que des organes ou accessoires essentiels à la marche du moteur, p.ex. commande de moteur par des signaux extérieurs particulière aux moteurs entraînant des hélices à pas réglable
F02D 45/00 - Commande électrique non prévue dans les groupes
22.
METHOD AND SYSTEM FOR ESTIMATING VEHICLE MASS AND DRAG COEFFICIENT
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Yang, Jianing
Abrégé
A method and system for estimating a vehicle mass and a drag coefficient. The method for estimating a vehicle mass and a drag coefficient may comprise: initializing value ranges and initial distributions of a vehicle mass and a drag coefficient; performing Monte Carlo sampling on the vehicle mass and the drag coefficient on the basis of the value ranges and the initial distributions to obtain a plurality of groups of vehicle mass and drag coefficient sampling values; determining a predicted vehicle driving force for each group of vehicle mass and drag coefficient sampling values according to a vehicle dynamics model and the plurality of groups of vehicle mass and drag coefficient sampling values; calculating a loss rate of the predicted vehicle driving force of each group of vehicle mass and drag coefficient sampling values according to a loss function; and when the calculation result converges, taking the group of vehicle mass and drag coefficient sampling values having the minimum loss rate as an estimation result. The method and the system can reduce the complexity of programming.
B60W 40/06 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés à l'état de la route
23.
METHOD FOR DETERMINING CURVATURE OF ROAD AND APPARATUS
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD (Chine)
Inventeur(s)
Liang, Zenghe
Abrégé
The present invention provides a method for determining a curvature of a road, comprising: obtaining a vehicle speed and a yaw rate of a vehicle to calculate a first curvature of a road on the basis of the vehicle speed and the yaw rate; obtaining location information of the vehicle to calculate a second curvature of the road on the basis of the location information; acquiring an image of the road to calculate a third curvature of the road on the basis of the image; determining the confidence of the third curvature; and determining a curvature of the road on the basis of the confidence according to the first curvature, the second curvature and the third curvature. In addition, the present invention further provides an apparatus for the method for determining the curvature of the road. According to the present invention, a curvature of a road can be accurately determined for use in predictive cruise control without increasing the hardware costs.
G06F 17/00 - TRAITEMENT ÉLECTRIQUE DE DONNÉES NUMÉRIQUES Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des fonctions spécifiques
24.
QUICK-PLUG CONNECTION CONNECTOR AND LEVELING VALVE
ZF Commercial Vehicle Systems (Qingdao) Co., Ltd (Chine)
Inventeur(s)
Yang, Qing
Ding, Qiao
Zhu, Juan
Abrégé
A quick-plug connection connector includes: a locking member arranged at a tail end of a connector body and a release ring partially extending into the connector body so as to come into contact with the locking member. An annular receiving groove is formed in the release ring and a sealing ring is received in the annular receiving groove. As the release ring is pressed against the locking member, the locking member is released to form a pipeline installation path leading from the sealing ring to the locking member. In the quick-plug connection connector, the pipeline installation path leading from the sealing ring to the locking member is formed by arranging the sealing ring in front of the locking member so that the pipeline installation requirements can be reduced.
F16L 37/088 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage combinés à un verrouillage automatique au moyen d'un segment élastique fendu
25.
PNEUMATIC DEVICE HAVING A ONE-WAY VALVE AND AN ADDITIONAL EXHAUST PATH WITH A SEALING DEVICE
ZF COMMERCIAL VEHICLE SYSTEMS (QINGDAO) CO., LTD. (Chine)
Inventeur(s)
Fila, Aleksander
Fuhrmann, Ingo
Qiu, Guoguang
Riediger-Janisch, Karl-Heinz
Wysocki, Pawel
Abrégé
The invention relates to a pneumatic device (1) for a vehicle (200), comprising: a primary exhaust path (17) for exhausting a pressure-carrying section along a exhaust direction (R); a one-way valve (19) in the primary exhaust path (17) to enable exhaust pressure in the pressure-carrying section (15) exceeding a pre-determined exhaust pressure threshold; a secondary exhaust path (21) for ex-hausting a residual pressure from the pressure-carrying section (15); and a sealing device (23) in the secondary exhaust path (21) adapted to switch at least between a normal state (Z1) and a sealing state (Z2). In the normal state the secondary exhaust path (21) can be flowed through and in the sealing state (Z2) the secondary exhaust path (21) is sealingly blocked. The invention further relates to a pneumatic brake system and a method for exhausting a pressure-carrying section of a pneumatic device.
B60T 13/68 - Commande électrique des systèmes de freins à fluide sous pression par valves commandées électriquement
B60T 8/36 - Dispositions pour adapter la force de freinage sur la roue aux conditions propres au véhicule ou à l'état du sol, p.ex. par limitation ou variation de la force de freinage selon une condition de vitesse, p.ex. accélération ou décélération comportant un régulateur de pression fluidique répondant à une condition de vitesse comportant un clapet-pilote sensible à une force électromagnétique
B60T 15/36 - Autres dispositifs de commandes ou valves caractérisés par des fonctions définies
26.
Control Method and System for Fixed-Point Parking in Autonomous Driving
ZF Commercial Vehicle Systems (Qingdao) Co., Ltd. (Chine)
Inventeur(s)
Qinglan, Shi
Abrégé
A control method, relating to the technical field of automobile intelligent driving includes: determining a target parking spot, and automatically generating target track points, an estimated braking distance, and an estimated coasting distance; calculating the longitudinal distance between the current position and the target end point according to the target track points and the current control deviation; collecting real-time vehicle driving information, and calculating current vehicle speed, slope, and vehicle braking response time information;
A control method, relating to the technical field of automobile intelligent driving includes: determining a target parking spot, and automatically generating target track points, an estimated braking distance, and an estimated coasting distance; calculating the longitudinal distance between the current position and the target end point according to the target track points and the current control deviation; collecting real-time vehicle driving information, and calculating current vehicle speed, slope, and vehicle braking response time information;
updating the longitudinal distance at a fixed frequency according to the longitudinal distance to the target end point and the real-time vehicle speed; on the basis of control state decision logic, performing real-time estimation of the distance to the target parking point to determine the vehicle control state. A system for fixed-point parking in autonomous driving includes a vehicle information collection module, a position estimation module, and a control state decision module.
B60W 60/00 - Systèmes d’aide à la conduite spécialement adaptés aux véhicules routiers autonomes
B60W 30/06 - Manœuvre automatique de stationnement
B60W 40/02 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes
B60W 10/18 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des systèmes de freinage
B60W 10/02 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande d'accouplements de la chaîne cinématique