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In order to obtain the accurate information of generator speed and angle, and alleviate the shortcomings of the speed sensor, this paper presents a sensorless vector control model of permanent magnet synchronous generator (PMSG) based on sliding mode observer (SMO) in the direct-drive permanent magnet wind power generation system. The proposed observer is easy to implement and less sensitive to parameter...
In this paper, the mathematical models of brush-less DC motors is introduced. Based on the model, the matlab/simulink is used as simulation platform. Combining fuzzy control with traditional PID control, the fuzzy control toolbox of matlab is made use of on the modeling simulation. The simulation result shows that fuzzy-PID control strategy can be used to make remarkable improvement on the overall...
Based on the analysis of the mathematical model for permanent magnet synchronous motor (PMSM), a novel direct torque control system based on space vector pulse width modulation technique(SVM-DTC) was proposed, of which the stator flux and torque were regulated by PI controllers to decouple motor space vector in the two components of stator flux and torque. Meanwhile, a stator flux estimation method...
This article builds up AMT clutch electrical actuator model by using SimulationX (modeling and simulation software), and focuses on the research of back-EMF coefficient Ke and torque coefficient Kt of DC permanent magnet motor, the two parameters are established through motor performance test data, so that motor model simulation results are basically identical with motor test results. Finally, in...
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