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首页> 外文期刊>Aeronautical journal >Performing co-ordinated turns with articulated wing-tips as multi-axis control effectors
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Performing co-ordinated turns with articulated wing-tips as multi-axis control effectors

机译：用铰接的翼尖作为多轴控制效应器执行协调的转弯

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This paper investigates a novel method for the control of aircraft. The concept consists of articulated split wing-tips, independently actuated and mounted on a baseline flying wing. The general philosophy behind the concept was that adequate control of a flying wing about its three axes could be obtained through local modifications of the dihedral angle at the wing-tips, thus providing an alternative to conventional control effectors such as elevons and drag rudders. Preliminary computations with a vortex lattice model and subsequent wind tunnel tests and Navier-Stokes computations demonstrate the viability of the concept for co-ordinated turns, with individual and/or combined wing-tip deflections producing multi-axis, coupled control moments. The multi-axis nature of the generated moments tends to over-actuate the flight control system, leading to some redundancy, which could be exploited to optimise secondary objective functions such as drag or bending moment.
机译：本文研究了一种新型的飞机控制方法。该概念由铰接的分离式翼尖组成，这些翼尖独立致动并安装在基准飞行翼上。该概念背后的一般原理是，可以通过对翼尖的二面角进行局部修改来获得对飞行翼围绕其三个轴的充分控制，从而为常规控制效应器（如elevons和拖动舵）提供了替代方案。初步的涡流格子模型计算以及随后的风洞测试和Navier-Stokes计算证明了协调转弯概念的可行性，其中单个和/或组合的翼尖偏转产生了多轴耦合的控制力矩。产生的力矩的多轴特性往往会过度操纵飞行控制系统，从而导致一些冗余，可以利用这些冗余来优化次要目标功能，例如阻力或弯矩。

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