Title :
Sensorless control of induction motor with adaptive speed-flux observer
Author :
Montanari, Marcello ; Tilli, Andrea ; Peresada, Sergei
Author_Institution :
Dept. of Electron., Comput. Sci. & Syst., Bologna Univ., Italy
Abstract :
A novel sensorless controller for induction motor is presented. Indirect field oriented control approach and Lyapunov-adaptive design are exploited for the derivation of the controller and the speed-flux observer constituting the proposed solution. No direct integration of the neutrally stable stator flux dynamics is adopted. Persistency of excitation conditions with clear practical interpretation is derived to guarantee local exponential stability with a defined region of attraction for the proposed approach. Simulation results are provided.
Keywords :
Lyapunov methods; adaptive control; asymptotic stability; control system synthesis; induction motors; machine control; observers; position control; stators; Lyapunov-adaptive design; adaptive speed-flux observer; exponential stability; indirect field oriented control; induction motor; neutrally stable stator flux dynamics; sensorless control; Adaptive control; Current measurement; Induction motors; Low pass filters; Mechanical sensors; Programmable control; Sensorless control; Sliding mode control; Stability; Stators;
Conference_Titel :
Decision and Control, 2004. CDC. 43rd IEEE Conference on
Print_ISBN :
0-7803-8682-5
DOI :
10.1109/CDC.2004.1428630
