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Robust output feedback cruise control for high-speed train movement with uncertain parameters |
Li Shu-Kai (李树凯), Yang Li-Xing (杨立兴), Li Ke-Ping (李克平) |
State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China |
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Abstract In this paper, the robust output feedback cruise control for high-speed train movement with uncertain parameters is investigated. The dynamic of a high-speed train is modeled by a cascade of cars connected by flexible couplers, which is subject to rolling mechanical resistance, aerodynamic drag and wind gust. Based on Lyapunov's stability theory, the sufficient condition for the existence of the robust output feedback cruise control law is given in terms of linear matrix inequalities (LMIs), under which the high-speed train tracks the desired speed, the relative spring displacement between the two neighboring cars is stable at the equilibrium state, and meanwhile a small prescribed H∞ disturbance attenuation level is guaranteed. One numerical example is given to illustrate the effectiveness of the proposed methods.
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Received: 19 June 2014
Revised: 27 August 2014
Accepted manuscript online:
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PACS:
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05.60.-k
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(Transport processes)
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07.05.Dz
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(Control systems)
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Fund: Project supported by the Fundamental Research Funds for the Central Universities of Ministry of Education of China (Grant No. 2014JBM150). |
Corresponding Authors:
Li Shu-Kai
E-mail: shkli@bjtu.edu.cn
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Cite this article:
Li Shu-Kai (李树凯), Yang Li-Xing (杨立兴), Li Ke-Ping (李克平) Robust output feedback cruise control for high-speed train movement with uncertain parameters 2015 Chin. Phys. B 24 010503
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