Title :
Implementation and position control performance of a position-sensorless IPM motor drive system based on magnetic saliency
Author :
Ogasawara, Satoshi ; Akagi, Hirofumi
Author_Institution :
Okayama Univ., Japan
Abstract :
This paper describes position-sensorless control of an interior permanent magnet synchronous motor (IPM motor), which is characterized by real-time position estimation based on magnetic saliency. The real-time estimation algorithm detects motor current harmonics and determines the inductance matrix including rotor position information. An experimental system consisting of an IPM motor and a voltage-source PWM inverter has been implemented and tested to confirm the effectiveness and versatility of the approach. Some experimental results show that the experimental system has the function of electrically locking the loaded motor, along with a position response of 20 rad/s and a settling time of 300 ms
Keywords :
PWM invertors; electric current measurement; harmonics; inductance; machine control; parameter estimation; permanent magnet motors; position control; rotors; synchronous motor drives; inductance matrix; interior permanent magnet synchronous motor; loaded motor locking; magnetic saliency; motor current harmonics detection; position control performance; position-sensorless IPM motor drive; position-sensorless control; real-time position estimation; rotor position information; voltage-source PWM inverter; Force sensors; Inductance; Induction motors; Motor drives; Permanent magnet motors; Position control; Pulse width modulation inverters; Rotors; Synchronous motors; Voltage;
Conference_Titel :
Industry Applications Conference, 1997. Thirty-Second IAS Annual Meeting, IAS '97., Conference Record of the 1997 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-4067-1
DOI :
10.1109/IAS.1997.643064
