A braking strategy control system for electric tractors and electric trailers

By collecting comprehensive information on people, vehicles, and roads and using a deep deterministic strategy gradient reinforcement learning algorithm, combined with a feature voting decision method, the braking strategy of electric tractors and electric trailers is optimized. This solves the balance problem between braking safety and energy recovery, and improves the braking safety and energy recovery efficiency of electric vehicles.

CN122126094APending Publication Date: 2026-06-02JILIN UNIVERSITY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JILIN UNIVERSITY
Filing Date
2026-04-23
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing braking control technologies for electric tractors and electric trailers struggle to achieve a dynamic optimal balance between braking safety and maximizing energy recovery, and they do not fully integrate multi-dimensional information from people, vehicles, and roads for comprehensive decision-making.

Method used

A braking strategy control system for electric tractors and electric trailers was designed. The system uses a human-vehicle-road integrated information acquisition module, a characterization factor calculation module, and a deep deterministic strategy gradient reinforcement learning algorithm to calculate the required braking torque of the whole vehicle in real time, and uses a feature voting decision method to select the optimal braking mode.

Benefits of technology

It improves the driving safety and energy recovery efficiency of electric tractor and electric trailer combination vehicles during braking, and achieves a dynamic optimal balance between braking safety and energy recovery.

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Abstract

This invention discloses a braking strategy control system for electric tractor-trailers, comprising a human-vehicle-road integrated information acquisition module, a characterization factor calculation module, an electric tractor-trailer required braking torque calculation module, and a braking strategy determination module. The purpose of this invention is to control the braking strategy of the electric tractor-trailer during operation through these modules.
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