吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 1063-1068.doi: 10.13229/j.cnki.jdxbgxb201504006

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Reliability assessment of high-speed railway drivetrain based on matter-element model

LIU Yu-mei1, 2, ZHAO Cong-cong1, XIONG Ming-ye3, GUO Wen-cui4, ZHANG Zhi-yuan1   

  1. 1.College of Transportation, Jilin University, Changchun 130022, China;
    2.Changchun Railway Vehicle Co Ltd,Changchun 130062,China;
    3.Department of Mechanics and Engineering Science, Peking University, Beijing 100871, China;
    4.College of Mechanical and Vehicle Engineering, Shenyang Institute of Technology,Fushun 113122, China
  • Received:2014-04-02 Online:2015-07-01 Published:2015-07-01

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Abstract: A qualitative and quantitative reliability assessment method based on the matter-element model was proposed for high-speed railway drivetrain. The failure accumulative damage theory and the rain-flow counting method were employed to build the matter-element model. The Analytic Hierarchy Process (APH) method was used to calculate the weight of each component in the high-speed railway drivetrain. According to the correlation function, the reliability rating of the tested drivetrain can be quantitatively estimated. Taking a certain type of high-speed railway drivetrain as an example, its reliability is rated to be level I by the presented method, and the most severe damage occurs on the transmission shaft, which is the main cause of the failure of the transmission system.

Key words: railway transportation, high-speed railway drivetrain, extenics, fatigue accumulative damage, rain-flow counting method, reliability assessment

CLC Number: 

  • U260
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