Maglev system controller design based on the feedback linearization methods

At first, the maglev vehicle and guideway coupling mathematical model is set up. Through the computation of Lie algebra of the model, a linearization transformation matrix is acquired, and then the nonlinear model is transformed as a linear one. After the special nonlinear model characteristics exam...

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Hauptverfasser: Dongsheng Zou, Longhua She, Zhizhou Zhang, Wensen Chang
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Longhua She
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Wensen Chang
description At first, the maglev vehicle and guideway coupling mathematical model is set up. Through the computation of Lie algebra of the model, a linearization transformation matrix is acquired, and then the nonlinear model is transformed as a linear one. After the special nonlinear model characteristics examined, two simple substitutions are adopted to change the nonlinear system into a linear one. Based on the physical meaning of the latter linearized model, a controller for the suspension system of maglev train is designed. Simulations show that the new controller can adapt well to the variance of suspension mass and gap, and keep its dynamic performance, thus it is superior to the classic controller.
doi_str_mv 10.1109/ICINFA.2008.4608197
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subjects coupling
Electromagnets
Equations
feedback linearization
Lie algebra
maglev train
Magnetic levitation
Magnetomechanical effects
Mathematical model
self-adaptive
Springs
Suspensions
title Maglev system controller design based on the feedback linearization methods
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