首页> 外文会议>Congress of the International Council of the Aeronautical Sciences; 20060903-08; Hamburg(DE) >ACTUATOR INFLUENCE ON FLYING QUALITIES OF A NATURALLY UNSTABLE AIRCRAFT
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ACTUATOR INFLUENCE ON FLYING QUALITIES OF A NATURALLY UNSTABLE AIRCRAFT

机译:执行器对自然不稳定飞机飞行质量的影响

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This paper addresses the interplay of actuator properties and reduced longitudinal stability of a civil aircraft. The considered aircraft is the future concept VELA (Very Efficient Large Aircraft) which is very sensitive to centre of gravity displacements. A simple feedback controller scheduled as a function of the centre of gravity position guarantees modal handling quality specifications for a wide range of positions. Special interest is laid on aft positions because these reduce the longitudinal stability and impose a demanding task on the elevator actuator. Limits of c.o.g. positions are inferred from the interrelation of handling qualities, fluctuation of actuator deflection and slew rate during flight in turbulent atmosphere and fatigue inflicted upon the actuator.
机译:本文探讨了执行器特性和民用飞机纵向稳定性降低之间的相互作用。所考虑的飞机是未来概念VELA(超大型飞机),它对重心位移非常敏感。根据重心位置安排的简单反馈控制器可确保针对各种位置的模态处理质量规格。特别引起关注的是后部位置,因为这些位置会降低纵向稳定性并给电梯执行器带来艰巨的任务。 c.o.g.的限制位置是根据操纵质量,致动器偏转和波动率在湍流环境中飞行以及致动器造成的疲劳之间的相互关系来推断的。

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