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公开(公告)号：US20220340108A1
公开(公告)日：2022-10-27
申请号：US17639258
申请日：2020-08-27
Applicant: BYD COMPANY LIMITED
Abstract: A vehicle and a braking method and a device therefor are provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and an electric braking exit protection speed; and calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking, and controlling the vehicle to unload the electric braking torque when the current vehicle speed is less than a larger one of the electric braking exit speed and the electric braking exit protection speed.
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Patent Agency Ranking
公开(公告)号：US20240010248A1
公开(公告)日：2024-01-11
申请号：US18372364
申请日：2023-09-25
Applicant: BYD COMPANY LIMITED
Inventor： Qiang WAN , Lu WANG , Zhicheng TAN
Abstract: A method for controlling vehicle parking, includes: obtaining, by a processor, a current vehicle speed and a current vehicle control level of a vehicle; obtaining, by the processor, a target vehicle speed of the vehicle, and obtaining a target vehicle control level of the vehicle according to the current vehicle control level; obtaining, by the processor, a first vehicle control level according to the current vehicle speed, the target vehicle speed, the current vehicle control level, and the target vehicle control level; and controlling, by the processor, the vehicle to run according to the first vehicle control level.
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公开(公告)号：US20220388404A1
公开(公告)日：2022-12-08
申请号：US17764065
申请日：2020-09-23
Applicant: BYD COMPANY LIMITED
IPC: B60L15/20
Abstract: A driving control method and apparatus for a vehicle, and a vehicle are provided, and relate to the field of vehicle control. The vehicle includes at least two carriages, and the driving control method includes the following steps: obtaining battery level information of a power battery corresponding to each of the carriages; obtaining at least one of a level allocated to each carriage or a payload allocated to each carriage according to the battery level information of the power battery corresponding to each carriage; and obtaining an output torque of each carriage according to the at least one of the level allocated to each carriage or the payload allocated to each carriage.
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公开(公告)号：US20220332195A1
公开(公告)日：2022-10-20
申请号：US17639255
申请日：2020-08-27
Applicant: BYD COMPANY LIMITED
Abstract: A braking method for a vehicle is provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling an output of an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and a maximum electric braking exit speed; and; controlling, if the deceleration required by braking of the vehicle changes to zero, the vehicle to unload the electric braking torque when the current vehicle speed is less than the maximum electric braking exit speed. A braking device for a vehicle and a vehicle are further provided.
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公开(公告)号：US20220340107A1
公开(公告)日：2022-10-27
申请号：US17639253
申请日：2020-08-27
Applicant: BYD COMPANY LIMITED
Abstract: A braking method for a vehicle is provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling an output of an electric braking torque according to the braking torque required by the vehicle; obtaining a current gradient and a current vehicle speed of the vehicle; and determining whether to control the vehicle to unload the electric braking torque, and whether to control the vehicle to apply a mechanical braking torque according to the current vehicle speed, the braking torque required by the vehicle, the deceleration required by braking, and the current gradient. A braking device for a vehicle and a vehicle are further provided.
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公开(公告)号：US20220340013A1
公开(公告)日：2022-10-27
申请号：US17639251
申请日：2020-08-27
Applicant: BYD COMPANY LIMITED
Abstract: A braking method includes: obtaining a first state information of the vehicle, which includes a vehicle mass and a deceleration required by braking; calculating a braking torque according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque; obtaining a current vehicle speed and a mechanical braking application delay time; calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking; calculating a mechanical braking application speed according to the mechanical braking application delay time, the deceleration required by braking, and the electric braking exit speed; and determining whether to control the vehicle to unload the electric braking torque, and whether to control the vehicle to apply a mechanical braking torque according to the current vehicle speed, the electric braking exit speed, and the mechanical braking application speed.
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