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- Title
轮毂电机电动汽车轮内悬置系统设计与优化.
- Authors
任洪卓; 陈双; 张宇涵
- Abstract
n order to improve the negative effects of vertical vibration caused by the increscent unsprung mass of hub motor drive electric vehicle, and to optimize the vehicle ride comfort, the in-wheel motor suspension system was designed based on the self-devel- oped hub motor drive electric vehicle that could realize four-wheel independent driving. A set of rubber bushing were selected as in- wheel motor suspension system component. They were installed at specific positions so that the motorstator and rotor could be elastically isolated from the unsprung mass. Then the vehicle dynamic model including the rubber bushing of in-wheel motor suspension system was established, and the stiffness and damping value were optimized based on the genetic algorithm. Through compare the vertical vi- bration characteristics between traditional hub motor drive electric vehicle with proposed hub motor drive electric vehicle including in wheel suspension system, its effectiveness was analyzed and verified. Finally, a real car ride comfort experiment with or without a suspension system was carried out to further prove the reliability of the suspension system. The research results show that the in-wheel suspension system of hub motor drive electric vehicle can improve the vehicle ride comfort, especially the body acceleration.
- Publication
Science Technology & Engineering, 2022, Vol 22, Issue 10, p4170
- ISSN
1671-1815
- Publication type
Article