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A sliding mode based active center of gravity control law is designed for the aircraft with center of gravity varying during flight. As the basis, the general scheme of the active center of gravity control system is proposed, and the mathematic model of aircraft center of gravity varying with fuel transfer is established. Then, the center of gravity control law based on sliding mode control theory...
Active center of gravity control can transfer fuel among many fuselage fuel tanks to effectively optimize aircraft center of gravity and gain the potential economic performance benefits. In-flight possible failures in the fuel system may generate direct influences on aircraft center of gravity control. The aim of this article is to investigate the influence of partial fuel transfer line leak on the...
In this paper, the law of change of aircraft center of gravity (CG) during fuel consumption is studied. The change of aircraft CG is discussed based on three different structures, such as single tank system, dual-symmetrical tank system and dual-asymmetrical tank system. Based on dual-symmetrical tank system, two fuel consumption modes are considered including the same consumption rate and different...
Fuel system is one of the most important subsystems of aircrafts. For adapting to the more-electric and all-electric aircraft development, the electrical intelligent digital fuel management system is becoming more and more popular in the world. In this paper we propose the ideas of the fuel control system which includes the fuel supply control system and the center of mass control system. The fuel...
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