APPARATUS AND METHOD FOR PIEZOELECTRIC ACTUATOR, AND PIEZOELECTRIC USING THE SAME

The present invention relates to a piezoelectric actuator, a method thereof, and piezo using the same. The piezoelectric actuator according to an embodiment of the present invention is the piezoelectric actuator which applies a certain driving signal to a piezo device to drive the piezo device. The...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KO, JOO YUL, SEO, JONG WOOK, YOON, HO KWON, KIM, BOUM SEOCK, HUR, KANG HEON, CHO, HONG YEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The present invention relates to a piezoelectric actuator, a method thereof, and piezo using the same. The piezoelectric actuator according to an embodiment of the present invention is the piezoelectric actuator which applies a certain driving signal to a piezo device to drive the piezo device. The driving signal can be an asymmetric sine wave wherein the amplitude of a first polarity and the amplitude of a second polarity are different from each other in size. 본 발명은 피에조 구동 장치 및 방법, 그를 이용한 피에조에 관한 것으로, 본 발명의 일 구현예에 따른 피에조 구동 장치는, 피에조 소자에 소정의 구동 신호를 인가하여 상기 피에조 소자를 구동시키는 피에조 구동 장치로서, 상기 구동 신호는 제1 극성의 진폭과 제2 극성의 진폭의 크기가 서로 상이한 비대칭형 정현파일 수 있다.