Title :
A fuzzy variable structure control scheme for AC servo drive system
Author :
He, Guangdong ; Jiang, J.P. ; Shen, Jianxin ; Lei, Jia
Author_Institution :
Dept. of Electr. Eng., Zhejiang Univ., Hangzhou, China
Abstract :
In this paper, a new control approach for AC servo drive systems-fuzzy variable structure control (FVSC)-is proposed. It combines the advantages of fuzzy logic (FL) and variable structure control (VSC). FL is used to reduce the unfavorable chattering phenomena while VSC heightens the control system´s robustness to parameter variations and load disturbances. Simulation results indicate that the proposed approach improves the control system performance evidently
Keywords :
AC motor drives; control system analysis; control system synthesis; fuzzy control; machine control; machine theory; robust control; servomotors; variable structure systems; AC servo drive system; chattering phenomena; control design; control performance; control simulation; control system; fuzzy variable structure control scheme; load disturbances; parameter variations; robustness; Control systems; Electric variables control; Fuzzy control; Fuzzy logic; Fuzzy systems; Helium; Nonlinear control systems; Robustness; Servomechanisms; System performance;
Conference_Titel :
Electric Machines and Drives Conference Record, 1997. IEEE International
Conference_Location :
Milwaukee, WI
Print_ISBN :
0-7803-3946-0
DOI :
10.1109/IEMDC.1997.604175
