In order to improve the adaptability of high-speed trains to the changes of their own parameters and service environment, and improve the vibration response characteristics of vehicle system, a semi-active control strategy for secondary suspension of high-speed train was studied. A multi-rigid-body transverse-vertical coupling dynamic model of high-speed train based on Simpack was established. The relationship between the synthetic vibration and modal motion of the carbody was analyzed by using the concept of contradictory extent. A hybrid damping modal control algorithm was proposed. The decoupled carbody modal motions are controlled based on skyhook control, and a hybrid damping coefficient and a hybrid proportional weighting function are introduced to adjust the control proportion of each modal motion. The simulation analysis was carried out by using the established Simpack/Simulink co-simulation model. The results show that hybrid damping modal control can effectively suppress the motion of each rigid body mode of the carbody, improve the transverse and vertical running stability of high-speed trains, and will not cause any running safety problems.


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    Title :

    Research on hybrid damping modal semi-active control of high-speed trains


    Contributors:

    Conference:

    Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022) ; 2022 ; Guangzhou,China


    Published in:

    Proc. SPIE ; 12302


    Publication date :

    2022-11-23





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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