Study on Lane Keeping Performance with Electric Power Steering System

Journal of System Simulation ›› 2015, Vol. 27 ›› Issue (12): 2913-2919.

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Study on Lane Keeping Performance with Electric Power Steering System

Sun Tao^1,2, Xu Zhengjin^1,2, Zheng Songlin^1,2, Zhang Zhendong^1,2, Sun Yuedong¹

1. School of Mechanical Engineering, Department of Automotive Engineering, Univ. of Shanghai for Science and Technology, Shanghai 200093, China;
2. Machinery Industry Key Laboratory for Mechanical Strength & Reliability Evaluation of Auto Chassis Components, Shanghai 200093, China

Received:2015-04-16 Revised:2015-06-12 Online:2015-12-08 Published:2020-07-30

Abstract

Abstract: With consideration of the characteristics of Electric Power Steering system (EPS), vehicle lane keeping system can make full use of EPS function as steering actuator for lane following assist. A couple of vehicle dynamic equations were derived for two operational modes including steering assistant mode and active steering mode. Meanwhile, vehicle single track handling model, nonlinear tire model, driver model, EPS model and corresponding optimal lane tracking algorithm were built and developed respectively. The lane keeping algorithm with EPS actuator was validated by virtue driver-in-the-loop approach based on the EPS experimental map from a certain type of production vehicle. It has been shown that the lane keeping system with EPS assist can effectively improve the capability of tracking the desired path.

Key words: lane-keeping, electric power steering, optimal control, driver in the loop

CLC Number:

TP391.9

Sun Tao, Xu Zhengjin, Zheng Songlin, Zhang Zhendong, Sun Yuedong. Study on Lane Keeping Performance with Electric Power Steering System[J]. Journal of System Simulation, 2015, 27(12): 2913-2919.

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Study on Lane Keeping Performance with Electric Power Steering System

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