Title :
Robustness margins for indirect field-oriented control of induction motors
Author :
Bazanella, AS ; Reginatto, R.
Author_Institution :
Dept. of Electr. Eng., Univ. Fed. do Rio Grande do Sul, Porto Alegre, Brazil
Abstract :
The influence of the rotor time constant mismatch on the stability of induction motors under indirect field oriented control is analyzed. The results of De Wit et al. (1996) are generalized. A Lyapunov function which provides a global stability test and allows to compute robustness margins is given. Different mechanisms for the loss of stability are detected by means of bifurcation analysis. Robustness margins and design guidelines are derived from these results
Keywords :
Lyapunov methods; bifurcation; induction motors; machine vector control; robust control; stability criteria; Lyapunov function; bifurcation analysis; global stability test; indirect field-oriented control; induction motors; robustness margins; rotor time constant mismatch; stability loss; Bifurcation; Guidelines; Induction motors; Lyapunov method; Robust control; Robust stability; Robustness; Rotors; Stability analysis; Testing;
Conference_Titel :
Decision and Control, 1998. Proceedings of the 37th IEEE Conference on
Conference_Location :
Tampa, FL
Print_ISBN :
0-7803-4394-8
DOI :
10.1109/CDC.1998.760827
