• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 21 Issue 5
Oct.  2008
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Article Contents
CHI Maoru, ZHANG Weihua, JIN Xuesong, ZHU Minhao. Influence of Shape Misalignment of Wheelsets on Stability of Vehicle System[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 621-625.
Citation: CHI Maoru, ZHANG Weihua, JIN Xuesong, ZHU Minhao. Influence of Shape Misalignment of Wheelsets on Stability of Vehicle System[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 621-625.

Influence of Shape Misalignment of Wheelsets on Stability of Vehicle System

  • Received Date: 06 Mar 2008
  • Publish Date: 25 Oct 2008
  • A dynamics model for a vehicle with the shape misalignment of wheelsets was set up,and the influence of the shape misalignment on the critical vehicle speed was analyzed by a numerical simulation.The simulation result shows that the stability of vehicle systems can be parted into easy-stable region,sub-stable region and defective-stable region in light of the value of wheelsets’ misalignment angle.In the easy-stable region,a vehicle system has better stability and wheelsets have few abrasion.In the defective-stable region,the system has worse stability and wheel treads have heavy abrasion.In the sub-stable region,the system has better stability but wheel flanges have heavy abrasion.Therefore,in order to improve the stability of a vehicle system and decrease the abrasion of wheelsets,the shape misalignment of wheelsets should be decreased as possibly as,so that the vehicle can run frequently in the easy-stable region.

     

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