(SMO synovial membrane + high frequency pulse vibration square wave injection method) FOC vector control permanent magnet synchronous motor full speed domain position sensorless control
①Control: Rotor magnetic field oriented control, full-speed position sensorless control, motor speed closed-loop control.
②Description: Use high-frequency pulse square wave injection method at low speed. The improved SMO synovial membrane observer is used for medium and high speeds. The speed switching area uses a weighted switching method.
③Materials: References + theoretical documents + simulation models
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