Impact of Delays for Electric Vehicles With Direct Yaw Moment Control

Author:

Li Yanjun1,Yin Guodong23,Jin XianJian1,Bian Chentong1,Li Jianqiu3

Affiliation:

1. School of Mechanical Engineering, Southeast University, Nanjing 211189, China e-mail:

2. School of Mechanical Engineering, Southeast University, Nanjing 211189, China;

3. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China e-mail:

Abstract

This paper investigates the impact of time delay factors on the lateral motion of electric vehicles with direct yaw moment control (DYC). The existence of internal time delay factors is inescapable in electric vehicle (EV) systems, which might affect the effectiveness of DYC. Computer simulation shows that DYC works well at small time delays, while significant oscillation or even loss of stability occurs when the delays are large enough. A frequency-domain method is used to determine the stability limit of the time-delayed system.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

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