Title :
Control of indirect field-oriented induction motor drives considering the effects of dead-time and parameter variations
Author :
Lin, Faa-Jeng ; Liaw, Chang-Ming
Author_Institution :
Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan
fDate :
10/1/1993 12:00:00 AM
Abstract :
A speed controller that considers the effects of system dead time and parameter variations is presented. An indirect field-oriented induction motor drive is implemented, and its dynamic model is found, using a stochastic approach. A two-degree-of-freedom speed controller is designed to match the prescribed speed command tracking and load regulating specifications. Since the performance of the closed-loop controlled plant is greatly influenced by the presence of the inherent system dead time and parameter variations during wide-range operations, a dead-time compensator and a model-following controller are proposed to enhance the robustness of the two-degree-of-freedom speed controller. The simulated and experimental results show that good control performance both in speed command tracking and load regulating characteristics is achieved
Keywords :
electric drives; induction motors; machine control; stochastic processes; velocity control; dead-time; dynamic model; indirect field-oriented induction motor drives; load regulating specifications; parameter variations; speed command tracking; speed controller; stochastic approach; two-degree-of-freedom; Circuits; Control systems; Induction generators; Induction motor drives; Induction motors; Motor drives; Pulse width modulation; Pulse width modulation inverters; Robust control; Stochastic processes;
Journal_Title :
Industrial Electronics, IEEE Transactions on
