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Reduced-order robust tilt control design for high-speed railway vehicles

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This paper presents a study of model reduction techniques, as well as controller reduction via closed-loop considerations in designing robust tilt controllers to improve the curving performance of high-speed railway vehicles. The schemes make exclusive use of local practical signal measurements, i.e. sensors mounted on the current passenger coach. The fundamental problem related to straight-forward classical nulling-feedback control is presented, and the commercially used command-driven with precedence scheme is introduced. Simulation results and an appropriately defined tilt control system assessment method are employed for illustrating the efficacy of the reduced-order robust tilt controller.

Keywords: controller reduction; model reduction; railway vehicles; robust control; tilt control

Document Type: Research Article


Affiliations: 1: Department of Electronic and Electrical Engineering, Loughborough University, Leicestershire, UK 2: Department of Automation, Tsinghua University, Beijing, P.R. China

Publication date: September 1, 2008


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