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The exists of hysteresis nonlinearities in some physical system such as piezoelectric actuators can cause reduction of control accuracy and even instability of system. In this paper, a control strategy based on Extended State Observer (ESO) is proposed for systems with hysteresis characteristics to achieve accurate output tracking for the reference model which provides the desired performance. Firstly,...
In this paper, we consider a model reference control by disturbance rejection method. Firstly, the process is transformed to be an equivalent feedback model (EFM), including the reference model in the forward channel and an equivalent feedback disturbance. A new extended state observer with reference model (ESO-RM) is developed and used to achieve the model reference compensation and disturbance rejection...
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