Title :
A sliding-mode controller based on fuzzy logic for PWM inverters
Author :
Chang, En-Chih ; Liang, Tsomg-Juu ; Chen, Jiann-Fuh ; Lin, Ray-Lee
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan
Abstract :
This paper presents a sliding mode controller that uses a fuzzy logic to achieve a robust tracking of nonlinear systems. Sliding-mode control (SMC) is a robust control method, but does suffer chattering problem around the sliding surface. The pulse-width modulation (PWM) inverter uses SMC with a fuzzified sliding surface, and thus a low total harmonic distortion (THD) sinusoidal voltage in the inverter output can be obtained. The simulation results show that this proposed method is more robust than the conventional SMC
Keywords :
PWM invertors; control system synthesis; fuzzy control; fuzzy logic; fuzzy set theory; harmonic distortion; nonlinear control systems; robust control; variable structure systems; PWM inverters; THD sinusoidal voltage; chattering problem; control system synthesis; fuzzified sliding surface; fuzzy logic; nonlinear systems; pulse width modulation inverter; robust control; robust tracking; sliding mode controller; total harmonic distortion; Control systems; Fuzzy logic; Nonlinear control systems; Nonlinear systems; Pulse inverters; Pulse width modulation inverters; Robust control; Sliding mode control; Total harmonic distortion; Voltage;
Conference_Titel :
Circuits and Systems, 2004. Proceedings. The 2004 IEEE Asia-Pacific Conference on
Conference_Location :
Tainan
Print_ISBN :
0-7803-8660-4
DOI :
10.1109/APCCAS.2004.1413041
