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압전효과를 고려한 고속조종거울의 유한요소 해석 모델 구축
임선빈,유준선,정재우,정상원,김재현,윤준영,이승한,이병주,정광식,정의봉,박노철 한국소음진동공학회 2022 한국소음진동공학회 논문집 Vol.32 No.6
A laser weapon is a directed-energy weapon system that uses a high-energy laser to target and destroy the enemy. To precisely control laser to the target, the FSM (fast steering mirror) is an essential component in the precise control strategy. FSMs are optical devices that accurately aim a laser beam using the mirror's reflective surface and typically require large deflection and wide bandwidth. However, since a piezo-based actuator is utilized to drive the FSM, the dynamic characteristics of the actuators affect the overall system. In this study, static and dynamic performances were predicted by establishing a piezoelectric coupling analysis model of an FSM that amplified the piezo actuator. The performances in static and dynamic operation were subsequently calculated.