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公开(公告)号：US20210365027A1
公开(公告)日：2021-11-25
申请号：US17281558
申请日：2019-09-27
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Lin HE , Longbao ZHEN , Kai ZHANG , Junpeng ZHAO , Wei LI , Tianpei WANG , Hongliang LIU , Ronglin ZENG , Weifeng DENG
Abstract: Disclosed are a road feature point extraction method and system. The road feature point extraction method comprises: acquiring map information for the current position of a vehicle, wherein the map information comprises the attributes of the current road and the attributes of the next road section; comparing the attributes of the current road with the attributes of the next road section to determine the road type of the next road section; and extracting, in conjunction with the road type of the next road section and the map information corresponding to the next road section, a road feature point representing a road scene on the next road section, and outputting the name of the extracted road feature point and information of the relative distance between the road feature point and the vehicle.
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公开(公告)号：US20230037049A1
公开(公告)日：2023-02-02
申请号：US17789511
申请日：2021-03-30
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Yinlei WANG , Wei PAN , Tengfei GUO , Yushan LI , Xiu LIU , Weifeng DENG
Abstract: The present disclosure relates to the technical field of vehicles, and particularly to a vehicle control method and apparatus, a storage medium and a vehicle. The method includes: acquiring a pressure of a brake master cylinder and an opening degree of an accelerator pedal; when the pressure of the brake master cylinder is greater than a first preset pressure threshold, the opening degree of the accelerator pedal is no less than a first preset opening degree threshold, and a moment when the pressure of the brake master cylinder is greater than the first preset pressure threshold is earlier than a moment when the opening degree of the accelerator pedal is no less than the first preset opening degree threshold, controlling the vehicle to enter an activated state of a launch starting function; and when the vehicle is in the activated state, controlling an engine of the vehicle to output a target torque. Thus, a driver enables the vehicle to enter the activated state of the launch starting function before starting by operating a brake pedal and the accelerator pedal at the same time, and also enables the vehicle to provide a torque output according to a state of the accelerator pedal while being in a brake state, thus enabling the vehicle to start quickly with greater power, reducing an acceleration time and realizing launch starting.
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公开(公告)号：US20230041592A1
公开(公告)日：2023-02-09
申请号：US17790159
申请日：2021-01-05
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Yinlei WANG , Di WU , Han LIU , Xiu LIU , Weifeng DENG , Wentao HOU , Baogang WANG
Abstract: A torque control method and apparatus for a vehicle, including: determining whether a torque change request is received, during a process of performing an energy recovery function; determining whether an antilock brake system is in an active state, in case that the torque change request is not received; if so, decreasing an energy recovery torque with a first torque change gradient; determining whether the antilock brake system is transited from the activated state to a non-activated state, during a process of decreasing the energy recovery torque; if so, determining whether it is satisfied that a first current driver demand torque is greater than a first preset value and the antilock brake system is in the non-activated state for longer than a first preset time; and if satisfied, recovering the energy recovery torque to the first current driver demand torque with a second torque change gradient.
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Patent Agency Ranking
公开(公告)号：US20210365695A1
公开(公告)日：2021-11-25
申请号：US17281560
申请日：2019-09-27
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Hongliang LIU , Jianyong GE , Longbao ZHEN , Rutao HAN , Wei LI , Junpeng ZHAO , Ronglin ZENG , Chaokai TIAN , Weifeng DENG
Abstract: A method and apparatus used for extracting a feature point of an environmental target, which relate to the field of vehicles. The method comprises: acquiring the position of each corner point of an environmental target; and determining a feature point of the environmental target according to the position of each corner point of the environmental target. Thus, the problem wherein target identification is not precise may be solved, which is particularly suitable for the identification of a large target.
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公开(公告)号：US20230052334A1
公开(公告)日：2023-02-16
申请号：US17790155
申请日：2021-01-19
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Yinlei WANG , Tong KANG , Wenchao LING , Baogang WANG , Weifeng DENG , Xiu LIU
Abstract: The present disclosure provides a method and apparatus for controlling a voltage of an electric machine, applied to a vehicle having an electricity-generation-starting-up integrated electric machine, which relates to the technical field of vehicle controlling. The method includes: when the vehicle is in a voltage-controlling mode, acquiring a current battery voltage, a current battery electric current and an electric-current limit value of the vehicle; according to the battery voltage, determining an initial target voltage; according to a difference between the electric-current limit value and the battery electric current, determining a superposing-voltage value; based on the superposing-voltage value and the initial target voltage, determining a target controlling voltage; and based on the target controlling voltage, controlling the battery voltage of the vehicle.
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公开(公告)号：US20230050845A1
公开(公告)日：2023-02-16
申请号：US17790312
申请日：2021-01-13
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Shuai ZHANG , Shujiang CHEN , Wentao HOU , Qing ZHAO , Xiao CHANG , Tong KANG , Jiaxin SUN , Wenchao LING , Weifeng DENG
Abstract: The method includes: when the vehicle satisfies a one-pedal activating condition, controlling the vehicle to enter a one-pedal-function activating mode; when the vehicle enters the one-pedal-function activating mode and satisfies a parking-controlling-function activating condition, acquiring current-vehicle-speed information, road-slope information and a first electric-motor recovering torque; based on the current-vehicle-speed information and the road-slope information, calculating to obtain a parking torque; acquiring a first torque difference between the parking torque and the first electric-motor recovering torque; and performing pressure buildup to the vehicle based on the first torque difference, to control the vehicle to complete a parking operation.
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公开(公告)号：US20230060311A1
公开(公告)日：2023-03-02
申请号：US17790196
申请日：2021-01-07
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Shuai ZHANG , Shujiang CHEN , Wentao HOU , Xinran DONG , Ce SUN , Jiaxin SUN , Weifeng DENG
IPC: B60W30/18
Abstract: A method for parking control is provided in the present application, which includes the following steps: determining whether a single-pedal mode is activated determining whether conditions for deceleration control are met when the single-pedal mode is activated; controlling the new-energy vehicle to decelerate when the conditions for deceleration control are met; determining whether conditions for sending a brake request to a motor controller are met during a process of controlling the new-energy vehicle to decelerate; sending the brake request to the motor controller when the conditions for sending a brake request to the motor controller are met; and sending a parking request to an electronic handbrake when the new-energy vehicle is in the brake mode and the speed of the new-energy vehicle is smaller than the third preset value for a third preset time, enable the new-energy vehicle to enter in a parking mode.
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公开(公告)号：US20220363141A1
公开(公告)日：2022-11-17
申请号：US17767113
申请日：2020-12-02
Applicant: GREAT WALL MOTOR COMPANY LIMITED
Inventor： Shuai ZHANG , Mingyuan SHAN , Xiu LIU , Wentao HOU , Tianyang LI , Di WU , Weifeng DENG
IPC: B60L15/20
Abstract: The present application relates to the technical field of new energy vehicles- and provides a method and an apparatus for controlling a new energy vehicle. The control method comprises: detecting whether a single pedal control mode is activated; and controlling the new energy vehicle to enter a creep mode according to at least one of a gear position of the new energy vehicle, an action of a brake pedal of the new energy vehicle, and a speed of the new energy vehicle, when it is detected that the single pedal control mode is activated. The present application is able to control the switch of the creep mode according to the driving intention.
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