考虑气动系统的高速受电弓分层控制

doi:10.19595/j.cnki.1000-6753.tces.210546

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Abstract

In view of the problem that the dynamic characteristics of the pneumatic system affect the active control accuracy of pantograph, a hierarchical control strategy taking into account the response time delay was proposed. The upper controller adopted hybrid ${{H}_{2}}/{{H}_{\infty }}$ robust control strategy. According to the set three performance indexes of the pantograph operation state, a multi-objective state feedback control law was constructed. The active control force was obtained by solving linear matrix inequality. For the lower controller, based on internal model control (IMC) theory, the first-order equivalent simplified model of the pneumatic system was established by genetic algorithm, and an internal model -proportional integral derivative (PID) controller related to a single parameter was designed. The tracking rate of the output control value of the upper controller was accelerated. The simulation calculation under different train speeds verified the effectiveness and robustness of the hierarchical controller. The simulation results show that the lower controller can effectively reduce the response time and significantly improve the response delay of the pneumatic system. Compared with the traditional single control, the reduction rate of the standard deviation of the contact force of the hierarchical control is increased by about 10%, which effectively suppresses the pantograph-catenary coupled vibration and improves the current collection quality of the high-speed pantograph-catenary.

Key words： Pneumatic system response time hierarchical control hybrid ${{H}_{2}}/{{H}_{\infty }}$ robust control internal model-proportional integral derivative (PID) control

Received: 19 April 2021

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TM571

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	Articles by authors
	Yang Peng
	Zhang Jing
	Jin Wei
	Liu Zhigang

Cite this article:

Yang Peng,Zhang Jing,Jin Wei等. Hierarchical Control of High-Speed Pantograph Considering Pneumatic System[J]. Transactions of China Electrotechnical Society, 2022, 37(10): 2644-2655.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210546 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I10/2644

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