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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2009  >  9(2): 74-78
DING Jian-ming, CHEN Chun-jun, LIN Jian-hui, CHEN Zhe-ming, LIU Hai-quan. Fuzzy control of lateral semi-active suspension system for high-speed train[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 74-78. doi: 10.19818/j.cnki.1671-1637.2009.02.013
Citation: DING Jian-ming, CHEN Chun-jun, LIN Jian-hui, CHEN Zhe-ming, LIU Hai-quan. Fuzzy control of lateral semi-active suspension system for high-speed train[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 74-78. doi: 10.19818/j.cnki.1671-1637.2009.02.013
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Fuzzy control of lateral semi-active suspension system for high-speed train

doi: 10.19818/j.cnki.1671-1637.2009.02.013
  • 1.

    Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

  • 2.

    School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

More Information
  • Author Bio:

    DING Jian-ming(1981-), male, doctoral student, +86-28-87600558, djminformation@yahoo.com.cn

    LIN Jian-hui(1964-), male, professor, PhD, +86-28-87600558, linjhyz@126.com

  • Received Date: 2008-12-13
  • Publish Date: 2009-04-25
    Abstract
  • In order to reduce the lateral vibration of high-speed train caused by shaking movement, a fuzzy control structure of lateral semi-active suspension system was designed. Fuzzy control strategy was adopted to independently control the adjustable shock absorber of suspension system based on double-loop feedback inputs, which were the actual damping force of the shock absorber and the lateral vibration accelerations of the frame and the body for train. With the 17 DOFs vehicle dynamics model that can reflect the lateral vibration features of suspension system, in the input condition of the sixth track spectrum of America and 270 km·h-1, the lateral vibrations and shaking vibrations of semi-active suspension system and passive suspension system were computed and compared. Computation result shows that stationary indicator improves by 12.54%, shaking vibration reduces by 35.00%, lateral vibration reduces by 48.45%, and the shaking and lateral vibrations of the body are isolated by 50% in the vicinity of natural frequency(1~6 Hz) for the body. The result indicates that the control strategy and control structure can strikingly isolate the lateral vibration of the body. 7 tabs, 6 figs, 9 refs.

     

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