A vehicle speed control method, storage medium and vehicle

By acquiring driver operation signals and vehicle parameter information, calculating target speed and braking torque, and coordinating the control of the drive motor and EPB, the problem of imperfect speed control in new energy vehicles is solved, and braking safety and comfort are improved.

CN115972922BActive Publication Date: 2026-05-15YIBIN FENGCHUAN POWER TECH CO LTD
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Patent Information

Application Number
CN202310046156.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-31
Publication Date
2026-05-15
Estimated Expiration
2043-01-31

AI Technical Summary

Technical Problem

The speed control of existing new energy vehicles is not perfect, which leads to excessively sudden or slow braking, affecting driving safety. In addition, the braking capacity of the drive motor is limited, and the braking torque control accuracy of the electronic parking brake system is poor, making it difficult to meet the driver's safety needs.

Method used

By acquiring driver operation signals and vehicle parameter information, the target speed and target braking torque are calculated. Based on the vehicle status, the drive motor and electronic parking brake (EPB) are coordinated to output braking torque, thereby achieving precise braking control.

Benefits of technology

It improves the vehicle's braking safety and comfort by rationally coordinating the braking methods of the drive motor and EPB to meet the driver's safety and comfort needs.

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Abstract

The application provides a vehicle speed control method, a storage medium and a vehicle, and relates to the technical field of vehicle speed control, and comprises the following steps: obtaining a driver operation signal and vehicle parameter information; determining a target speed and a target brake torque of the vehicle based on the driver operation signal and the vehicle parameter information; determining a vehicle state based on the driver operation signal and the vehicle parameter information; and controlling a driving motor and an EPB to output brake torque based on the vehicle state, the target brake torque and brake capacity of the driving motor and the EPB. Through the above arrangement, the driving motor and the EPB are cooperatively controlled to output brake torque, so that the driving safety of the vehicle in different driving states is ensured.
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