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In practice, there are many motor systems whose models are usually unknown or partially unknown. However, the majority of control schemes focus on model-dependent techniques. To cope up with unavailable dynamics, a model-free controlling problem for a DC motor system is investigated in this study. A robust higher-order differential feedback controller (HODFC), which does not depend on the model of...
This paper deals with an application of robust control based on second order sliding mode control applied to permanent magnet synchronous motor. About the parameters uncertainties and load torque perturbations, the stability and the convergence of the control variables are ensured for the given references. Simulation and experimental results show a good performance of the proposed controller.
This paper presents a two-order A-type iterative learning control (ILC) scheme along time axis using a switching (SW) Q-filter to restrain periodic force ripples of permanent magnet linear synchronous motor (PMLSM). The purpose of employing the time-varying SW Q-filter is to utilize the enhanced robustness given by a low bandwidth filter, while taking advantage of the superior properties of a high...
The induction motor is a MIMO, nonlinear and high coupling system. The reversibility of the induction motor is testified. Consequently, a pseudo-linear system is completed by constructing a neural network inverse (NNI) system and combining it with the motor system. The inverse can transform the MIMO nonlinear system into two SISO linear subsystems (i.e., rotor speed and flux subsystems). In order...
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