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ע⣺ՓڡԄӻx 2009,30(5):7-10l
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(A|WԄӻϵ, Ϻ 200237)

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PI~: m׃Y ĦR Lugreģ \ӿ Ǿ
ЈD̖: TP 273 īI־a: A

Fast Speed Modeling and Control for Mechano-electric Motion System


( Dept. of Automation, East China Univ. of Science & Technology , Shanghai 200237 , China)

Abstract :Mechano-electric motion system is one of the nonlinear systems affected by unknown rotating inertia and friction. At present, building model precisely for such systems in fast speed is a challenge in research. The limitations of Lugre mechanism model and neural net work algorithm modeling are analyzed. Aming at the local feature of friction , a new type and fast speed identification algorithm is proposed to guarantee its implementation on chip or embedded processor. In addition, the adaptive robust controller is designed to implement smooth variable structure control; and the convergence of closed loop system is verified. Through simulation, the excellent performance has been proved.
Keywords : Adaptive variable structure control; Identification of friction; Lugre model; Motion control; Nonlinear

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