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이장호,유창선,Daniel J. Walker 항공우주시스템공학회 2008 항공우주시스템공학회지 Vol.2 No.3
The tilt rotor aircraft has the flight characteristics which takes off vertically like a helicopter and flies forward like an airplane. Especially, the transition process from a helicopter to an airplane mode requires not only the mixing of control inputs but also the stability and controllability augmentation system(SCAS) in order to keep the safe flight because there are compound flight dynamic characteristics of a helicopter and an airplane including non-linearity, uncertainty. This paper describes the design of SCAS in a lateral motion for the tilt rotor aircraft based on the control method, which was performed from mathematical model with weighting matrix based on the relationship between the norm and the sensitivity function. Through simulation analysis for the controller designed on the control theory, it was shown that this method may be applied to the control design of the tilt rotor aircraft.