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Improvement of Aircraft Rolling Power by Use of Piezoelectric Actuators

机译:通过使用压电致动器来提高飞机的横滚功率

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摘要

Piezoelectric actuators are distributed on both side of a rectangular wing model, and the possibility of improvement of aircraft rolling power is investigated. The difference between the model with aileron deflection and the model without aileron (fictitious control surface, PCS) is studied. The analytical results show that these two cases are substantial different. In aileron deflection case, the aeroelastic effect is disadvantageous, so the structural stiffness should be high until the electrical voltage is not necessary. But in the case of FCS, the aeroelastic effect is advantageous and it means that lower structural stiffness can lead to lower voltage. Compared with aileron project, the PCS project can save structure weight.
机译:压电致动器分布在矩形机翼模型的两侧,并研究了提高飞机侧倾功率的可能性。研究了带有副翼偏转模型和没有副翼模型(虚拟控制面,PCS)之间的差异。分析结果表明,这两种情况有很大的不同。在副翼偏转的情况下,空气弹性效应是不利的,因此结构刚度应较高,直到不需要电压为止。但是在FCS的情况下,空气弹性效应是有利的,这意味着较低的结构刚度可以导致较低的电压。与副翼项目相比,PCS项目可以减轻结构重量。

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