Title :
Improved sliding mode observer for speed sensorless control of induction motor
Author :
Jang, Bong Su ; Park, Yong Hun ; Park, Kang Hyo ; Kwon, Young Ahn
Author_Institution :
Sch. of Electr. Eng., Pusan Nat. Univ., Busan, South Korea
Abstract :
This paper investigates a new sliding mode observer for the speed sensorless control of an induction motor. The proposed sensorless control algorithm is the sliding mode observer with two sliding mode feedback signals. One is a stator current error between the measured and estimated currents, and the other is a rotor flux error between a sliding mode observer model and a rotor current model. The proposed sensorless control algorithm has a better performance compared to the conventional sliding mode observer.
Keywords :
angular velocity control; feedback; induction motors; machine vector control; observers; variable structure systems; induction motor; rotor current model; rotor flux error; sliding mode feedback signals; sliding mode observer; speed sensorless control; stator current error; Induction motors; Sensorless control; induction motor; sensorless control; sliding mode observer;
Conference_Titel :
ICCAS-SICE, 2009
Conference_Location :
Fukuoka
Print_ISBN :
978-4-907764-34-0
Electronic_ISBN :
978-4-907764-33-3
