Drive-by-wire chassis redundancy control and emergency braking integrated safety system

By performing multi-module coordination, multi-dimensional evaluation and dynamic redundancy control of the line-controlled chassis braking system, the safety and reliability problems of the traditional line-controlled chassis braking system in the fault scenario are solved, and the accurate identification of braking requirements and the dynamic configuration of redundant paths are realized, which improves the safety and resource utilization of the system.

CN120503762APending Publication Date: 2025-08-19SICHUAN KEMA ZHIXING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510967390.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-14
Publication Date
2025-08-19

AI Technical Summary

Technical Problem

When traditional wire-controlled chassis braking systems face sensor failures, signal interference or execution components failure, the braking function is easily degraded or failed, which cannot meet the safety and reliability requirements of autonomous driving. The redundant module grading lacks a dynamic adjustment mechanism, and cannot fully cover complex scenarios.

Method used

By collecting real-time operating status data of the linear chassis, redundancy indicators are evaluated and graded, and redundancy indicators are combined with braking demand judgment results and redundancy indicators to conduct redundant configuration and performance evaluation of the brake signal transmission path. Multi-module collaboration, multi-dimensional evaluation and dynamic redundancy control are adopted to build a comprehensive safety assurance system.

Benefits of technology

It realizes accurate identification of braking requirements and dynamic configuration of redundant paths, improves signal transmission reliability and system resource utilization, reduces the risk of braking failure caused by single path failure, and ensures the safety and reliability of the line-controlled chassis braking system.

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Abstract

The invention discloses a drive-by-wire chassis redundancy control and emergency braking integrated safety system, which relates to the technical field of drive-by-wire chassis, and is characterized by comprising the following steps: acquiring real-time operation state data of a drive-by-wire chassis, and obtaining a redundancy index of the drive-by-wire chassis according to the real-time operation state data; grading and dividing redundancy control modules of the drive-by-wire chassis according to the redundancy index to obtain a redundancy module grading result set; the brake requirement of the drive-by-wire chassis is judged to obtain a brake requirement judgment result, and according to the brake requirement judgment result and the redundancy index, redundancy configuration of a brake signal transmission path and evaluation of brake performance are conducted on all the redundancy modules in the redundancy module grading result set, and then a first brake performance evaluation result set is obtained; the system has the advantages that an all-directional safety guarantee system is constructed for the drive-by-wire chassis braking system through multi-module cooperation, multi-dimensional evaluation and dynamic redundancy control.
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