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A Study on Control Surface of Small Flying Object Using Piezo-Composite Actuator

Ji Hwan Park, Bum Soo Yoon, Kwang Joon Yoon


A control surface of wing of a small flying object is usually actuated by servo motor system of electro-magnetic motor. There has been a lot of effort to solve the structural complexity of a system for converting the rotation of a servo motor to a linear actuation motion. We designed the piezocomposite actuator which is a composite laminate structure of the piezoelectric material layer and fiber-reinforced composite material layers. In this paper, a piezo-composite actuator was designed to drive a control surface of wing of small flying object. An all moving control surface actuation method with rotation hinge system and a camber deformation method were designed and tested to observe actuation performances.

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