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전자기 작동기와 압전 작동기를 이용한 하이브리드 마운트의 제어성능 평가
팽용석(Paeng, Yong-Seok),육지용(Yook, Ji-Yong),문석준(Moon, Seok-Jun),최승복(Choi, Seung-Bok) 한국소음진동공학회 2007 한국소음진동공학회 논문집 Vol.17 No.7
This paper presents an active vibration control of a dynamic system using hybrid mount which consists of elastic rubber-piezostack actuator and elastic rubber-electromagnetic actuator, respectively. After identifying stiffness, damping properties of the elastic rubber, PZT actuator and electromagnetic element, a mathematical model of the hybrid mount is established. The mount model is then incorporated into the dynamic system and the governing equation of motion is obtained in a state space. A sliding mode controller is designed in order to actively attenuate the vibration of the system. Control responses such as acceleration and transmitted force of the dynamic system are experimentally evaluated and presented in time and frequency domains.
Active Vibration Control Using Piezostack Based Mount
벤큐오(Nguyen, Vien-Quoc),최상민(Choi, Sang-Min),팽용석(Paeng, Yong-Seok),한영민(Han, Young-Min),최승복(Choi, Seung-Bok),문석준(Moon, Seok-Jun) 한국소음진동공학회 2008 한국소음진동공학회 논문집 Vol.18 No.4
This paper presents active vibration control performance of a hybrid mount. The proposed hybrid mount is devised by adopting both piezostack as an active actuator and rubber as a passive element. After experimentally identifying actuating force characteristics of the piezostack and dynamic characteristics of the rubber, the hybrid mount was designed and manufactured. Subsequently, a vibration control system with a specific mass loading is constructed, and its governing equations of motion are derived. In order to actively attenuate vibration transmitted from the base, a feedforward controller is formulated and experimentally realized. Vibration control responses are then evaluated in time and frequency domains.