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In this paper, based on parameter self-tuning fuzzy PID controller, a fuzzy inference method is utilized to realize automatic regulating PID parameter, and the application of the controller in a system is studied with MATLAB. The results of simulation indicate that the controller gives a good control performance and has a high reference value for further applications.
To solve the problems of torque ripple and inconstant switch frequency of inverter in the conventional direct torque control (DTC) for permanent magnet synchronous motor (PMSM) drive, a novel DTC method using space vector pulse width modulation (SVM) is proposed based on analysis of PMSM mathematical model. In this novel DTC system of PMSM , traditional torque hysteresis controller and flux hysteresis...
The energy complementary control principle is introduced for a distributed power generation (DG) system in this paper. A mathematical model of the system is built according to the energy complementary control principle. A direct torque control method is designed in the system in order to improve the performance of the system. The simulations on a wind simulator and flywheel based system have verified...
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