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작동기 히스테리시스를 고려한 유연피에조빔의 위치추적제어
Position Tracking Control of Flexible Piezo-beam Considering Actuator Hysteresis
프엉박 ( Phuong Bac Nguyen ) , 최승복 ( Seung Bok Choi )
UCI I410-ECN-0102-2012-550-001506269
* 발행 기관의 요청으로 이용이 불가한 자료입니다.

This paper presents a position tracking control of a flexible beam using the piezoelectric actuator. This is achieved by implementing both feedforward hysteretic compensator of the actuator and PID feedback controller. The Preisach model is adopted to develop the feedforward hysteretic compensator. In the design of the compensator, estimated displacement of the piezoceramic actuator is used on the basis of the limiting triangle database that results from collecting data of the main reversal curve and the first order ascending curves. Experimental implementation is conducted for position tracking control and performance comparison is made between a PID feedback controller without considering the effect of hysteresis, and a PID feedback controller integrated with the feedforward hysteretic compensator.

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