Vibration path analysis and optimal design of the suspension for brake judder reduction

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• 作者：K. S. Sim (163)
  J. H. Lee (163)
  T. W. Park (263)
  M. H. Cho (363)
  
• 关键词：Brake judder ; BTV (Brake Torque Variation) ; Multi ; body dynamic analysis ; Design of experiment ; Optimization
• 刊名：International Journal of Automotive Technology
• 出版年：2013
• 出版时间：August 2013
• 年：2013
• 卷：14
• 期：4
• 页码：587-594
• 全文大小：926KB
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• 作者单位：K. S. Sim (163)
  J. H. Lee (163)
  T. W. Park (263)
  M. H. Cho (363)
  
  163. Graduate School of Mechanical Engineering, Ajou University, Gyeonggi, 443-749, Korea
  263. Department of Mechanical Engineering, Ajou University, Gyeonggi, 443-749, Korea
  363. Brake System Engineering Team, Hyundai Mobis Co., Ltd., 80-9 Mabuk-dong, Gigeung-gu, Yongin-si, Gyeonggi, 446-912, Korea
  

文摘

Brake judder is abnormal vibration, which is mainly generated by uneven contact between the brake disc and pad. The abnormal vibration from BTV (Brake Torque Variation) is transferred to the suspension and the steering system during braking. In this paper, judder simulation is carried out using a multi-body dynamic analysis program to analyze the relationship between judder and the transfer mechanism, which consists of the suspension and the steering system. In order to verify the analytical model, test results are compared with the simulation results. A sensitivity analysis is also carried out. In addition, an optimization method is presented for judder reduction, using the design of experiments.