Electromechanical Actuator Design and Control Strategy for UAV Landing Gear

Author:

Yang Tao,Wu Jiufeng,Cao Xinlei

Abstract

Abstract UAV is becoming more and more prevalent not only in the military field but also in the civilian field, whose flight safety and performance is of top concern. The landing gear system is undoubtedly a determining factor in UAV taking off and landing. In recent days, the all-electric trend in UAV design is not irreversible. As a result, the hydraulic actuator is replaced by EMA in the landing system. The electromechanical actuator for UAV landing system is designed in this paper. The detailed actuator system design is introduced in the beginning. And then communication protocol between the actuator system and the flight control computer is presented, serving as the basis of control strategy, which is the main content to study. The control strategy mainly deals with normal landing and emergency landing process. At last, the conclusion part summarizes its applications. The EMA devised in this paper and its corresponding control strategy provide a new idea in the landing system design of UAV.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

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3. Key Technologies for Landing Gear of Large Civil Aircrafts;Nie;Journal of Nanjing University of Aeronautics& Astronautic,2008

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