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Design of a Fuzzy-Sliding Observer for Control of DC Servo Motor  

고봉운 (건국대학교 전기공학과)
김낙교 (건국대학교 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.53, no.5, 2004 , pp. 338-344 More about this Journal
Abstract
This paper presents a sensorless speed control of a DC servo motor using a fuzzy-sliding observer in the presences of load disturbances. A fuzzy-sliding observer is proposed in order to estimate the speed of a motor rotor. First, a sliding observer is used to estimate the derivative of the armature current directly using the armature current mesured in the DC servo motor. Second, the optimal gain of the Luenberger observer is set up using the fuzzy control. Experimental results show the good performance in the DC servo motor system with the proposed fuzzy-sliding observer.
Keywords
fuzzy-sliding observer; Luenberger observer; Sensorless speed control; DC Servo motor;
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