Abstract
in order to solve the problem of robustness or anti-disturbance of the traditional PI speed controller in the permanent magnet synchronous motor. A fuzzy PI speed controller based on load torque feedback compensation is proposed for the permanent magnet synchronous motor. The combination of fuzzy PI control strategy and load feedback compensation method can enhance the robustness and disturbance rejection of the speed loop. According to the validated results of simulation and experiments, by using this PMSM speed controller, the robustness of the system speed control was enhanced markedly, and the capacity of anti-disturbance was also improved significantly.
Highlights
In recent years, with the rapid development of highperformance permanent magnet materials technology, power electronics, microelectronics technology, vector control theory and automatic control theory, the permanent magnet synchronous motor control system has been developing rapidly
The literature [6,7] analyzed the fuzzy PI speed controller in the permanent magnet synchronous motor and demonstrates it can enhance the robustness of speed control
The jitter of load torque feedback compensation waveform than uncompensated waveform’s is smaller, which indicates that the system have better anti-disturbance performance
Summary
Abstract—in order to solve the problem of robustness or antidisturbance of the traditional PI speed controller in the permanent magnet synchronous motor. A fuzzy PI speed controller based on load torque feedback compensation is proposed for the permanent magnet synchronous motor. The combination of fuzzy PI control strategy and load feedback compensation method can enhance the robustness and disturbance rejection of the speed loop. According to the validated results of simulation and experiments, by using this PMSM speed controller, the robustness of the system speed control was enhanced markedly , and the capacity of antidisturbance was improved significantly
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