Vehicle braking energy recovery method and device, vehicle and storage medium
By acquiring real-time acceleration and brake pedal depth, calculating the target deceleration and total required braking force, determining the maximum and upper limit of regenerative braking force, and performing braking energy recovery based on motor output torque, the problem of low energy recovery efficiency caused by the inability to adapt to different driving conditions in existing technologies is solved, achieving more efficient energy recovery and safety assurance.
CN120986198APending Publication Date: 2025-11-21FAW JIEFANG AUTOMOTIVE CO
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Patent Information
- Application Number
- CN202511236762.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2025-11-21
AI Technical Summary
Technical Problem
Existing regenerative braking methods cannot adapt to different driving conditions, resulting in low energy recovery efficiency.
Method used
By acquiring real-time acceleration and brake pedal depth, the target deceleration and total required braking force are calculated, the maximum value and upper limit of regenerative braking force are determined, and braking energy is recovered based on the motor output torque, thereby achieving real-time matching and safety assurance of braking force and energy.
Benefits of technology
It improves the efficiency of regenerative braking, ensures the accurate execution of the driver's intentions, avoids component overload and safety risks, and enhances the reliability and handling stability of the vehicle in complex scenarios.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a vehicle braking energy recovery method and device, a vehicle and a storage medium. The method comprises the steps that under the condition that a current vehicle is in a braking mode, the real-time acceleration and the brake pedal depth of the current vehicle are obtained; determining a target deceleration of the current vehicle based on the brake pedal depth; calculating the total required braking force of the current vehicle based on the target deceleration and the real-time acceleration; the maximum value of regenerative braking force of the current vehicle is determined, and the upper limit of the regenerative braking force is obtained; determining a target regenerative braking force based on the total demand braking force and a regenerative braking force upper limit; and the motor output torque of the current vehicle is determined according to the target regenerative braking force, and braking energy recovery is conducted based on the motor output torque. According to the technical scheme, the braking energy recovery efficiency of the vehicle is improved.
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