吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (5): 1367-1372.doi: 10.13229/j.cnki.jdxbgxb201705006

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Block cycle load compilation for automotive control arm fatigue bench test

ZHU Jian-feng1, 2, ZHANG Jun-yuan1, CHEN Xiao-kai3, GU Yao-ying2, WANG Shui-ying2   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022,China;
    2.Advanced Vehicle Development & Vehicle Integration Department, Pan Asia Technical Automotive Center Co., Ltd., Shanghai 201201, China;
    3.School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081,China
  • Received:2016-05-26 Online:2017-09-20 Published:2017-09-20

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Abstract: In order to solve the problem of blindness in the load development of automotive chassis component bench test, the block cycle load was converted to arm fatigue bench test after investigation of the rain-flow counting, duty cycle compiling and damage calculation of the collected road load spectrum on proving ground. The durability results of the virtual bench test and physical bench test of the control arm show that the damage distribution between the bench test and the proving ground is identical, which provides a new idea for the determination of the chassis structure bench test load. Besides, it can also accelerate the test period and decrease the test cost.

Key words: vehicle engineering, control arm, bench test, block cycle load, fatigue

CLC Number: 

  • U463.1
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