考虑随机扰动的高速铁路弓网系统滑模控制研究

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Abstract The sliding contact between the pantograph and the overhead catenary is the only way for the electric vehicle to collect current, which is easily influenced by the stochastic disturbances. In this paper, a catenary model with time-varying mass and stiffness is established and the pantograph is considered a 2-degree of freedom (DOF) model. And the uncertain disturbance is included to compensate the perturbations of nonlinear effect from catenary to pantograph. A sliding mode surface is properly defined to reduce the variation of contact force. In order to decrease the effect of other uncertain disturbance, a disturbance compensator is included to estimate the disturbance in each discrete time step. Several numerical examples indicate that the proposed controller can effectively reduce the contact force fluctuation, as well as eliminate the contact loss.

Key words： high-speed railway catenary pantograph slide mode control contact force

Received: 29 September 2021

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	Articles by authors
	LIU Tao
	LU Xiaobing
	ZHANG Jiayi

Cite this article:

LIU Tao,LU Xiaobing,ZHANG Jiayi. Study on the pantograph active control based on the slide mode control method considering the stochastic disturbance[J]. Electrical Engineering, 2022, 23(3): 57-62.

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http://dqjs.cesmedia.cn/EN/Y2022/V23/I3/57

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