Patents by Inventor Da YUAN
Da YUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12377826Abstract: The invention relates to a slope brake pressure determining method and system.Type: GrantFiled: March 9, 2022Date of Patent: August 5, 2025Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Xianhui Zhang, Bohong Xiao, Shan Zou, Da Yuan
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Patent number: 12370998Abstract: The disclosure relates to the field of vehicle technologies, and specifically, to a vehicle control method and system, a vehicle, a control apparatus, a vehicle-mounted device, and a computer-readable storage medium. The disclosure aims to solve the following technical problem: Since a distinction between understeering and oversteering conditions is not taken into consideration when increasing the engine torque, there is still room for improvement in a formulated engine torque increasing strategy. For this purpose, the disclosure provides a vehicle control method and system, a vehicle, a control apparatus, a vehicle-mounted device, and a computer-readable storage medium, where the control method includes: when an abnormal state occurs in a vehicle in a steering condition, determining whether the current abnormal state is understeering or oversteering; and adjusting torque of the vehicle based on a determining result and a torque amount adjustment mechanism predetermined for the current abnormal state.Type: GrantFiled: October 25, 2022Date of Patent: July 29, 2025Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Ze Liu, Haimiao Li, Hongchao Zhang, Bohong Xiao, Da Yuan
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Patent number: 12344207Abstract: The disclosure relates to a vehicle control method. The vehicle control method includes: receiving a first control instruction; sending a first output signal based on the first control instruction, where the first output signal is used to instruct a hydraulic parking system to start pressure build-up; and sending a second output signal upon the hydraulic parking system reaching a predetermined first state, where the second output signal is used to instruct an electronic parking system to start to be pulled up or released. The disclosure further relates to a vehicle control device, a computer-readable storage medium, and a vehicle. According to the vehicle control solution provided in the disclosure, a hydraulic parking system and an electronic parking system are controlled in a coupled manner in vehicle starting and stopping conditions, thereby providing a user with highly comfortable, reliable, and safe vehicle starting and stopping experience.Type: GrantFiled: October 13, 2022Date of Patent: July 1, 2025Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Qiang Wei, Xianhui Zhang, Da Yuan, Shengwei Deng, Liren Wu, Bohong Xiao, Mingyuan Wang
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Patent number: 12252142Abstract: This application relates to a vehicle control method and system, a vehicle, and a storage medium. The vehicle control method includes: when a braking system fails, activating a backup braking system, the backup braking system decelerating a vehicle by controlling a regenerative motor; when a steering system fails, implementing transverse control over the vehicle by controlling the braking system; and when a parking system fails, implementing parking by controlling a motor and the braking system to work alternately. According to this method, safety control over the vehicle can be implemented when the original braking system, steering system, or parking system fails.Type: GrantFiled: January 4, 2022Date of Patent: March 18, 2025Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Bohong Xiao, Danilo Teobaldi, Da Yuan, Chao Xu, Baotian Wang, Xianhui Zhang, Zelei Zhou, Jiawang Zhong, Jiajia Xia, Ze Liu
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Patent number: 12037061Abstract: The application relates to a lateral motion control method and system for a vehicle, an automatic driving controller, a steering system, a vehicle, and a storage medium, wherein the lateral motion control method for the vehicle comprises: generating and outputting a steering control command according to a desired track of the vehicle, such that the vehicle moves along an actual track according to the steering control command; determining a vehicle running state, wherein the vehicle running state is generated according to an error value between the desired track and the actual track; and determining whether to stop/limit outputting of the steering control command or not according to the vehicle running state. The lateral motion of the vehicle can be controlled according to the method.Type: GrantFiled: May 19, 2022Date of Patent: July 16, 2024Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Bohong Xiao, Da Yuan, Chao Xu, Qiang Wei, Baotian Wang
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Patent number: 11845314Abstract: This application relates to a suspension control method and system, a vehicle, and a storage medium. The suspension control method includes: acquiring a pavement image in a traveling direction; identifying a variation type corresponding to a pavement smoothness variation according to the pavement image; generating a control signal according to the identified variation type, to adjust a suspension parameter; detecting, by using a sensor coupled to a suspension, pavement characteristic information corresponding to the variation type; and generating a correction signal based on the pavement characteristic information, to correct the control signal. The suspension control method can identify the pavement smoothness variation more accurately and set the suspension damping parameter according to an identification result.Type: GrantFiled: July 7, 2022Date of Patent: December 19, 2023Assignee: NIO TECHNOLOGY (ANHUI) CO., LTDInventors: Qiang Wei, Shengwei Deng, Baotian Wang, Da Yuan, Chao Xu, Bohong Xiao
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Publication number: 20230211781Abstract: The disclosure relates to a vehicle control method. The vehicle control method includes: receiving a motion parameter of a vehicle; detecting, based on the motion parameter, whether there is a longitudinal obstacle in front of the vehicle; and when it is detected that there is a longitudinal obstacle in front of the vehicle, generating compensation torque based on the detected longitudinal obstacle, to perform compensation for control torque of the vehicle to generate required torque of the vehicle. The disclosure further relates to a vehicle control device, a computer-readable storage medium, and a vehicle.Type: ApplicationFiled: December 28, 2022Publication date: July 6, 2023Inventors: Mingyuan WANG, Xianhui ZHANG, Liren WU, Da YUAN, Bohong XIAO
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Publication number: 20230202453Abstract: The disclosure relates to the field of vehicle technologies, and specifically, to a vehicle control method and system, a vehicle, a control apparatus, a vehicle-mounted device, and a computer-readable storage medium. The disclosure aims to solve the following technical problem: Since a distinction between understeering and oversteering conditions is not taken into consideration when increasing the engine torque, there is still room for improvement in a formulated engine torque increasing strategy. For this purpose, the disclosure provides a vehicle control method and system, a vehicle, a control apparatus, a vehicle-mounted device, and a computer-readable storage medium, where the control method includes: when an abnormal state occurs in a vehicle in a steering condition, determining whether the current abnormal state is understeering or oversteering; and adjusting torque of the vehicle based on a determining result and a torque amount adjustment mechanism predetermined for the current abnormal state.Type: ApplicationFiled: October 25, 2022Publication date: June 29, 2023Inventors: Ze LIU, Haimiao LI, Hongchao ZHANG, Baihong XIAO, Da YUAN
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Publication number: 20230158892Abstract: The disclosure relates to a control method and system for braking backup in autonomous driving, a computer storage medium, a computer device, and a vehicle. The control method for braking backup in autonomous driving according to an aspect of the disclosure includes: receiving a status indication of an execution module associated with braking and a status indication of a function module associated with stability control; determining, based at least in part on the received status indication of the execution module associated with braking and the received status indication of the function module associated with stability control, a braking capability of the execution module associated with braking; and assigning a braking command based at least in part on the received status indication of the execution module associated with braking and the determined braking capability of the execution module associated with braking.Type: ApplicationFiled: November 23, 2022Publication date: May 25, 2023Inventors: Xianhui ZHANG, Danilo TEOBALDI, Bohong XIAO, Da YUAN, Tong ZHANG, Baotian WANG
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Publication number: 20230129173Abstract: The disclosure relates to a method for recognizing roughness of a road on which a vehicle is traveling, a vehicle, and a computer-readable storage medium. The method for recognizing roughness of a road on which a vehicle is traveling includes the steps of: A. obtaining a traveling speed of the vehicle on a current road; B. determining whether the obtained traveling speed is not greater than a preset threshold, and if the obtained traveling speed is not greater than the preset threshold, obtaining operating data of the vehicle at a preset time interval; and C. determining the roughness of the current road of the vehicle based on a change feature of the obtained operating data.Type: ApplicationFiled: October 24, 2022Publication date: April 27, 2023Inventors: Liren WU, Shengwei DENG, Mingyuan WANG, Qiang WEI, Xianhui ZHANG, Da YUAN, Bohong XIAO
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Publication number: 20230115978Abstract: The disclosure relates to a vehicle control method. The vehicle control method includes: receiving a first control instruction; sending a first output signal based on the first control instruction, where the first output signal is used to instruct a hydraulic parking system to start pressure build-up; and sending a second output signal upon the hydraulic parking system reaching a predetermined first state, where the second output signal is used to instruct an electronic parking system to start to be pulled up or released. The disclosure further relates to a vehicle control device, a computer-readable storage medium, and a vehicle. According to the vehicle control solution provided in the disclosure, a hydraulic parking system and an electronic parking system are controlled in a coupled manner in vehicle starting and stopping conditions, thereby providing a user with highly comfortable, reliable, and safe vehicle starting and stopping experience.Type: ApplicationFiled: October 13, 2022Publication date: April 13, 2023Inventors: Qiang WEI, Xianhui ZHANG, Da YUAN, Shengwei DENG, Liren WU, Bohong XIAO, Mingyuan WANG
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Publication number: 20230019390Abstract: This application relates to a suspension control method and system, a vehicle, and a storage medium. The suspension control method includes: acquiring a pavement image in a traveling direction; identifying a variation type corresponding to a pavement smoothness variation according to the pavement image; generating a control signal according to the identified variation type, to adjust a suspension parameter; detecting, by using a sensor coupled to a suspension, pavement characteristic information corresponding to the variation type; and generating a correction signal based on the pavement characteristic information, to correct the control signal. The suspension control method can identify the pavement smoothness variation more accurately and set the suspension damping parameter according to an identification result.Type: ApplicationFiled: July 7, 2022Publication date: January 19, 2023Inventors: Qiang WEI, Shengwei DENG, Baotian WANG, Da YUAN, Chao XU, Bohong XIAO
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Publication number: 20220371654Abstract: The application relates to a lateral motion control method and system for a vehicle, an automatic driving controller, a steering system, a vehicle, and a storage medium, wherein the lateral motion control method for the vehicle comprises: generating and outputting a steering control command according to a desired track of the vehicle, such that the vehicle moves along an actual track according to the steering control command; determining a vehicle running state, wherein the vehicle running state is generated according to an error value between the desired track and the actual track; and determining whether to stop/limit outputting of the steering control command or not according to the vehicle running state. The lateral motion of the vehicle can be controlled according to the method.Type: ApplicationFiled: May 19, 2022Publication date: November 24, 2022Inventors: Bohong XIAO, Da YUAN, Chao XU, Qiang WEI, Baotian WANG
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Publication number: 20220289234Abstract: The invention relates to an autonomous driving control method, an autonomous driving control system, and a vehicle. The autonomous driving control method includes: estimating motion control capacities of a vehicle on the basis of performance parameters and/or structure parameters of the vehicle; grading autonomous driving functions of the vehicle on the basis of the motion control capacities; and providing the graded autonomous driving functions on the basis of a state of the vehicle. The autonomous driving control method of the invention can provide different grades of autonomous driving functions in different vehicle states, thereby improving driving experience.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Xianhui ZHANG, Da YUAN, Chao XU, Baotian WANG, Shengwei DENG, Bohong XIAO
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Publication number: 20220289153Abstract: The invention relates to a slope brake pressure determining method and system.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Xianhui ZHANG, Bohong XIAO, Shan ZOU, Da YUAN
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Publication number: 20220219715Abstract: This application relates to a vehicle control system, a vehicle control method, and a storage medium. The vehicle control system includes: a planning layer in which a service is configured to generate an operation instruction according to a driving task; a reference layer in which a service is configured to generate a target parameter according to the operation instruction, the target parameter reflecting a requirement for state control of a vehicle; an advanced control layer in which a service is configured to generate an execution parameter according to the target parameter, the execution parameter reflecting an execution capability of a vehicle executor for the requirement for state control; an allocation control layer in which a service is configured to allocate category task parameters to category executors according to the execution parameter; and an underlying control layer in which a service is configured to provide the category task parameter for at least one of the category executors.Type: ApplicationFiled: January 11, 2022Publication date: July 14, 2022Inventors: Bohong XIAO, Danilo TEOBALDI, Da YUAN, Baotian WANG
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Publication number: 20220212682Abstract: This application relates to a vehicle control method and system, a vehicle, and a storage medium. The vehicle control method includes: when a braking system fails, activating a backup braking system, the backup braking system decelerating a vehicle by controlling a regenerative motor; when a steering system fails, implementing transverse control over the vehicle by controlling the braking system; and when a parking system fails, implementing parking by controlling a motor and the braking system to work alternately. According to this method, safety control over the vehicle can be implemented when the original braking system, steering system, or parking system fails.Type: ApplicationFiled: January 4, 2022Publication date: July 7, 2022Inventors: Bohong XIAO, Danilo TEOBALDI, Da YUAN, Chao XU, Baotian WANG, Xianhui ZHANG, Zelei ZHOU, Jiawang ZHONG, Jiajia XIA, Ze LIU