吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (4): 912-917.doi: 10.13229/j.cnki.jdxbgxb201404003

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Design of vertical speed signal filter circuit for semi-active suspension with SimScape

LI Jing1, WANG Zi-han1, QIN Min2, ZHUO Shuai-shuai1, CAO Zhen1   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2.Research and Development Center, China FAW Group Corporation, Changchun 130011, China
  • Received:2013-04-11 Online:2014-07-01 Published:2014-07-01

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Abstract: To solve the issue of getting vertical speed for semi-active suspension control, an integral filter circuit and simulation method for vertical speed calculation are put forward based on the analysis of real signal components. The electrical simulation model with SimScape for off-line simulation is constructed. The hardware of the filter circuit for Hardware-In-the-Loop (HIL) test is designed. The integral filter circuit system is exploited through real vehicle acceleration signal. The acceleration signal under the real random road condition is processed through off-line calculation. Experiment result show that the signal obtained from the integral filter circuit system simulation is in high consistent with the signal obtained by HIL test, justifying the integral filter circuit system.

Key words: vehicle engineering, semi-active suspension, signal processing, filter, SimScape module

CLC Number: 

  • U463.33
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