Title :
Application of state space averaging method to sliding mode control of PWM DC/DC converters
Author :
Mahdavi, J. ; Emadi, A. ; Toliyat, H.A.
Author_Institution :
Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran
Abstract :
A novel approach for the analysis and design of sliding mode controllers for PWM DC/DC power converters is presented. The main advantage of this nonlinear controller is that there is no restriction on the size of the signal variations around the operating point. Small as well as large signal variations around the operating point are considered. Sliding mode controllers for buck, boost, buck-boost, and Cuk power converters have been designed and discussed. These controllers have been simulated on a digital computer and their dynamic performances have been shown to be satisfactory. Finally, Lyapunov´s second theorem has been used to verify the stability of the designed sliding mode controller for the Cuk power converter
Keywords :
DC-DC power convertors; Lyapunov methods; PWM power convertors; circuit analysis computing; control system analysis computing; control system synthesis; nonlinear control systems; stability; state-space methods; variable structure systems; voltage control; Lyapunov´s second theorem; PWM DC/DC power converters; computer simulation; control design; control simulation; nonlinear controller; operating point; signal variations; sliding mode controllers; stability verification; state-space averaging method; voltage regulation; Buck converters; DC-DC power converters; Equations; Power system stability; Pulse width modulation; Pulse width modulation converters; Sliding mode control; State-space methods; Switches; Switching converters;
Conference_Titel :
Industry Applications Conference, 1997. Thirty-Second IAS Annual Meeting, IAS '97., Conference Record of the 1997 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-4067-1
DOI :
10.1109/IAS.1997.628957
