Mixed-sensitivity H∞robust control of train vertical vibration

doi:10.16731/j.cnki.1671-3133.2017.05.014

Abstract

Abstract: Presented an approach to design H_∞robust control of active suspension of train,it reduced the vibration of vehicle effectively.It established the dynamic model of vehicle vertical vibration based on a reasonable simplification.Taking the uncertainty in the name object and the performance requirements into account,it selected appropriate weighting functions to design the H_∞output feedback robust controller based on the mixed-sensitivity PS/T generalized model,and used DGKF law to develop the sufficient conditions for the existence of controller.The results show that the mixed-sensitivity H_∞robust controller can suppress the vertical vibration of car body effectively and ensure the riding comfortability and the running stability of train.

Key words: H_∞robust control, mixed-sensitivity, vertical vibration

CLC Number:

TP273

Meng Jianjun, Bai Huan, Mou Jian, Zhang Qiang. Mixed-sensitivity H_∞robust control of train vertical vibration[J]. Modern Manufacturing Engineering, 2017, 440(5): 71-75.

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Mixed-sensitivity H_∞robust control of train vertical vibration

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