Title :
A controller resetting strategy for the stabilization of DC-to-DC power converters towards non-minimum phase equilibria
Author :
Llanes-Santiago, Orestes ; Sira-Ramírez, Hebertt
Author_Institution :
Dept. Sistemas de Control, Los Andes Univ., Merida, Venezuela
Abstract :
A feedback resetting strategy, exercised on the output of a purposely designed unstable dynamical feedback controller, is shown to yield a robust, and efficient, output voltage stabilization of nonlinear average models of DC-to-DC power converters around any non-minimum phase equilibrium point of the system. The technique guarantees, in an average sense, an asymptotically stable behavior of the controlled converter state variables towards their required equilibrium values, while the unstable dynamical compensator output is forcefully kept bounded within an arbitrarily small neighborhood of the required controller operating point
Keywords :
DC-DC power convertors; asymptotic stability; compensation; feedback; voltage control; DC-DC power converters; asymptotic stability; controller resetting; nonlinear average models; nonminimum phase equilibria; output voltage stabilization; unstable dynamical compensator; unstable dynamical feedback controller; Control systems; DC-DC power converters; Nonlinear control systems; Output feedback; Power system modeling; Pulse width modulation; Pulse width modulation converters; Robust control; Sliding mode control; Voltage control;
Conference_Titel :
Decision and Control, 1994., Proceedings of the 33rd IEEE Conference on
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
0-7803-1968-0
DOI :
10.1109/CDC.1994.411351