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

Chunjun Chen; Yingjian Lan; Chaoyue Chen

doi:10.1117/12.2645513

23 November 2022 Research on hybrid damping modal semi-active control of high-speed trains

Chunjun Chen, Yingjian Lan, Chaoyue Chen

Proceedings Volume 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022); 1230212 (2022) https://doi.org/10.1117/12.2645513
Event: Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 2022, Guangzhou, China

Abstract

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.

Citation Download Citation

Chunjun Chen, Yingjian Lan, and Chaoyue Chen "Research on hybrid damping modal semi-active control of high-speed trains", Proc. SPIE 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 1230212 (23 November 2022); https://doi.org/10.1117/12.2645513

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