Qixun Zhou, C. Ma, Na Liu, Yufeng Zhang, Shaojie Chen
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Coordination control of dual-redundancy permanent magnet synchronous motor servo system
Electromechanical Actuator (EMA) is widely used in power transmission systems, this paper analyzes the operating principle of the motor servo system in EMA. A Dual-redundancy Permanent Magnet Synchronous Motor (DR-PMSM) controller is designed, and the coordination technology between dual-redundancy motors is analyzed. On the basis of this theory, the mathematical model and simulation model of DR-PMSM are established by using Simulink software. By using the vector control method of direct axis current be set to zero, the servo performances of the system under different conditions are studied. Combined with redundancy control technology, the simulation of DR-PMSM control is carried out, this provides the basis for practical application. Finally, the designed controller was tested, and the test result shows that the controller has reached the designing requirement.
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