Title :
Sensorless rotor velocity tracking control for induction motors
Author :
Feemster, M. ; Aquino, P. ; Dawson, D.M. ; Haste, D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Clemson Univ., SC, USA
Abstract :
We present a sensorless control algorithm that achieves semi-global exponentional rotor velocity tracking for the full-order, nonlinear dynamic model of an induction motor actuating a mechanical subsystem. The proposed controller utilizes stator current measurements but is termed sensorless due to the inexpensive/simplistic manner in which stator current measurements can be obtained (e.g., relatively inexpensive Hall effect current sensors can be used to obtain current measurements). The control strategy utilizes a novel rotor velocity observer which facilitates the potential for improved rotor velocity tracking transient performance
Keywords :
angular velocity control; induction motors; machine control; nonlinear dynamical systems; observers; rotors; stators; tracking; transient response; induction motors; nonlinear dynamic model; observer; rotors; sensorless control; stator current measurements; transient response; velocity control; velocity tracking; Control systems; Current measurement; Hardware; Induction motors; Mechanical sensors; Rotors; Sensor systems; Sensorless control; Stators; Velocity control;
Conference_Titel :
American Control Conference, 1999. Proceedings of the 1999
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-4990-3
DOI :
10.1109/ACC.1999.786329
