Title :
Robust PI control for servo DC motor
Author_Institution :
Dept. of Autom., Tech. Univ. of Cluj, Cluj-Napoca, Romania
Abstract :
The paper reexamines the standard nested three loop controller structure for a permanent magnet DC motor in position servo applications. An analysis of a generic example demonstrates that the robust synthesis, via LMI optimization, offers noticeable improvements in performance especially in cases of relatively large model uncertainties. The proposed technique guarantees uniform exponential stability of the closed loop system, a desired rate of convergence, and H∞ norm bound.
Keywords :
DC motors; H∞ control; closed loop systems; permanent magnet motors; robust control; two-term control; H∞ norm bound; LMI optimization; closed loop system; model uncertainties; permanent magnet DC motor; robust PI control; servo DC motor; standard nested three loop controller; uniform exponential stability; Control system synthesis; DC motors; Magnetic analysis; Performance analysis; Pi control; Robust control; Robustness; Servomechanisms; Stability; Uncertainty;
Conference_Titel :
Control Applications, 2002. Proceedings of the 2002 International Conference on
Print_ISBN :
0-7803-7386-3
DOI :
10.1109/CCA.2002.1040168
