FBW를 채용한 대형 위그선의 종방향 운동 안정화를 위한 조종면 제어 알고리즘 설계에 대한 연구
A Study on Control Algorithm for Longitudinal Stability of Large WIG Craft with FBW
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Abstract
In this paper the longitudinal control problem for the large WIG(wing-in-ground effect) craft is considered in the sense of the control augmentation system(CAS) derived by control surface of elevator. In order to achieve longitudinally stable systems, two modes of CAS are applied to the control systems which are pitch rate hold mode and pitch hold mode for steady flight. Since the employed CASs include the dynamic properties of the actuator time delay and the low pass filter, it provides the possible solution to be applicable to real systems. Nonlinear model simulations are fulfilled to investigate the effectiveness of the applied CASs with wind disturbance.
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