磁流变半主动悬架研究及实车试验分析

doi:10.19562/j.chinasae.qcgc.2021.02.016

Abstract

Abstract:

For coordinated control of vehicle for semi?active suspension system， a master?slave control strategy is proposed by analyzing the coupling influence through suspension dynamic model. The road test is carried out based on a real vehicle equipped with the self?developed electronic control unit （ECU） as well as magnetorheological （MR） dampers paralleling with constant throttling orifices. The off?road test indicates that the weighted acceleration of the driver seat and the pitching rate are reduced by 13.8%~42.6% and 21.1%~53.7% respectively； In the slalom test， the rolling rate and angle are reduced by 65% and 38.5% respectively. In the double lane?change test， the rolling rate and angle are reduced by 65% and 51% respectively. In conclusion， the developed MR suspension system can improve the riding comfort， handling stability and driving safety significantly.

Key words: semi?active suspension, magnetorheological, master?slave control, vehicle suspension coordinated control strategy, real vehicle experiment

Zhizhao Peng,Yintao Wei,Xiaowei Fu,Xiejun Yao. Research and Performance Test of Magnetorheological Semi⁃Active Suspension System Based on a Real Vehicle[J].Automotive Engineering, 2021, 43(2): 269-277.

Figures/Tables 12

References 20

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Research and Performance Test of Magnetorheological Semi⁃Active Suspension System Based on a Real Vehicle

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