Title :
Comparison of signal injection methods for sensorless control of PMSM at very low speeds
Author :
Wu, Shanshan ; Li, Yongdong ; Miao, Xuejin
Author_Institution :
Tsinghua Univ., Beijing
Abstract :
This paper presents two different sensorless vector control methods for permanent magnet synchronous motor (PMSM) drive at very low speed range. One is high-frequency (HF) signal injection method, which utilizes the electromagnetic saliency of PMSM. The other one is low- frequency (LF) signal injection method, which is based only on the fundamental-wave model of PMSM. This paper compares the two methods by various simulations and experiments and finally some useful conclusions will be given.
Keywords :
machine vector control; permanent magnet motors; synchronous motors; PMSM; electromagnetic saliency; permanent magnet synchronous motor; sensorless vector control methods; signal injection methods; Control systems; Error correction; Frequency; Hafnium; Low-frequency noise; Machine vector control; Permanent magnet motors; Rotors; Sensorless control; Signal processing; PMSM; Sensorless Control; Signal Injection;
Conference_Titel :
Power Electronics and Applications, 2007 European Conference on
Conference_Location :
Aalborg
Print_ISBN :
978-92-75815-10-8
Electronic_ISBN :
978-92-75815-10-8
DOI :
10.1109/EPE.2007.4417540
