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This paper presents a speed controller for an interior permanent magnet synchronous motor (IPMSM) based on adaptive backstepping method. IPMSM speed is acquired through extended-EMF method, which is simple to achieve and has a good dynamic performance. A novel nonlinear control strategy, backstepping, is used to design speed tracking and current controllers. The system can achieve fast speed tracking...
In this paper, a nonlinear control system using a fuzzy self tuning Grey predictor based on a PID controller is proposed. Firstly, the PID controller is designed according to the Zieger-Nichos 2 method with fast response and high robustness. Secondly, the grey predictor is suggested to use to estimate the system response in a near future in order to improve the control performance. In addition, the...
Control of Inductor Motors is a difficult task because of the motors' non-linear nature. Hence, the Inductor Motors are usually expressed by complicated non-linear models. This paper presents a new and effective method for modeling stator current and estimating rotor flux of an induction motor by applying Direct-Decoupling Methodology. A nonlinear control approach with full state feedback linearization...
A nonlinear adaptive robust speed tracking controller is presented for a three-phase surface permanent magnet synchronous motor (SPSMS) considering the control strategy of maximum torque control (MTC) related to this motor. Ignoring the motor iron losses, the proposed controller is designed based on combination of input-output feedback linearization (IOFL) control and adaptive sliding mode technique...
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