Study on Control Strategy of Nonlinear Systems with Hysteresis Inverse Model Feed-Forward Compensation Based on Preisach

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Abstract:

In order to reduce the effect of hysteresis of piezoelectric ceramic pressure on the system, designed the feedforward compensation adaptive sliding mode control based on Preisach inverse model. The inverse model feed-forward compensation does not depend on the precision of the Preisach model which weakens the hysteresis characteristics, and also can obtain the compensation voltage that combined with adaptive sliding mode controller. This paper proves that the controller can make the system to achieve global asymptotic stability. Simulation in Matlab. The simulation results show that the system can track the desired output, and can get good control effect.

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261-264

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October 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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