吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (5): 1381-1387.doi: 10.13229/j.cnki.jdxbgxb201505001

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Vibration transfer characteristics optimization of an electric vehicle's twist beam suspension based on ISIGHT

ZUO Shu-guang, JIANG Wei-xu, WU Xu-dong, LI Cheng-yi   

  1. Clean Energy Automobile Engineering Center, Tongji University, Shanghai 201804, China
  • Received:2014-03-18 Online:2015-09-01 Published:2015-09-01

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Abstract: An optimization method was proposed to solve the vibration issue of suspension system in both vertical and longitude directions, which is commonly caused by torque ripple of wheel-drive motor in electric vehicle. By flexibly modeling of the twist beam and realizing the high-frequency bushing model in the ADAMS, the elastic component was accurately described, then, the high-frequency applied suspension model was built. Based on ISIGHT software, the multi-objective optimization was conducted by integrating multi-disciplinary software. The optimization results showed that the weighted area of longitudinal vibration transfer function was optimized by 17.23% with slightly reducing the weighted area of vertical vibration transfer function. Within the target spectrum, the optimizing effect of vibration transfer is significant.

Key words: vehicle engineering, electric vehicle, high-frequency suspension model, multi-objective optimization

CLC Number: 

  • U463
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