Design and Function Analysis of New Steering System for Autonomous Vehicle

doi:10.16182/j.issn1004731x.joss.23-1027

Abstract

Abstract:

For the current requirements of regulations and technical maturity, the steering system for autonomous vehicles must have the driver takeover function, explore the permanent magnet coupling device embedded in the steering system, and design a new steering system, which can realize the switch between automatic driving mode and driver takeover mode. The overall design of the new steering system is carried out. The system can realize the functions of steering wheel silence, road sense simulation, overload protection and mechanical steering redundancy, and realize the redundant design of steering system without adding additional hardware. The key component of the system, the permanent magnet coupling device, is simulated and tested on the bench, and its transmission characteristics are studied. The model of the vehicle and steering system was built. Through Simulink-CarSim-PreScan co-simulation, the functional analysis of the new steering system is carried out, and the effectiveness of the functional safety and redundancy design of the system is verified.

Key words: autonomous driving, steering system, permanent magnet coupling device, mode switching, redundant design

CLC Number:

TP391.9

Ji Peng, Zhao Jinpeng, Jiang Limin. Design and Function Analysis of New Steering System for Autonomous Vehicle[J]. Journal of System Simulation, 2025, 37(1): 211-219.

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磁环参数	设计值
外径R₂	96
内径R₁	27
厚度B	24
位移最大值X	60

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