Title :
Speed adaptive observer for sensorless IM drive using combined reference frames
Author :
Yusivar, Feri ; Uchida, Kenji ; Haratsu, Hiroyuki ; Wakao, Shinji ; Onuki, Takashi
Author_Institution :
Dept. of Electr., Electron. & Comput. Eng., Waseda Univ., Tokyo, Japan
fDate :
6/22/1905 12:00:00 AM
Abstract :
This paper describes a modification of the full-order observer for the sensorless IM drive. The modified observer uses the rotor flux calculated by the flux model instead of estimating it, thus two of the four state equations can be removed. Implementation of the modified observer provides the performance improvement of the sensorless rotor flux oriented IM drive system. The validity of the modified observer is confirmed by experiments
Keywords :
adaptive control; angular velocity control; induction motor drives; machine vector control; magnetic flux; observers; rotors; combined reference frames; flux model; induction motor drives; modified observer; rotor flux; sensorless IM drive; sensorless rotor flux oriented IM drive; speed adaptive observer; state equations; Equations; Induction machines; Machine vector control; Magnetic flux; Motor drives; Observers; Rotors; State estimation; Stators; Torque control;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5864-3
DOI :
10.1109/APEC.2000.826094
