吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (2): 373-379.doi: 10.13229/j.cnki.jdxbgxb20170110

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Vibration and noise characteristics of electric bus

SHI Wen-ku1, LIU Guo-zheng1, SONG Hai-sheng2, CHEN Zhi-yong1, ZHANG Bao3   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2.FAW-Volkswagen Automobile Co. Ltd., Changchun 130011, China;
    3.Nanjing IVECO Automobile Co. Ltd., Nanjing 210028, China
  • Received:2017-02-14 Online:2018-03-01 Published:2018-03-01

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Abstract: In this paper the vibration and noise of an electric bus were studied under the conditions of uniform speed and acceleration. The LMS instruments were applied to collect the vibration and noise signals of the electric bus. The source and the characteristics of the noise and vibration were studied by spectrum and order tracking analysis. The results show that the vibration inside the bus is mainly induced by the road excitation via the suspensions under uniform speed condition, while the motor noise is sharp under accelerating condition especially in the switch frequency. This study may provide useful information for reducing the noise and vibration of electric vehicles.

Key words: vehicle engineering, electric bus, vibration and noise, order tracking, motor excitation

CLC Number: 

  • U467.1
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