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航空学报  2013 

基于等离子体激励的飞翼布局飞行器气动力矩控制

DOI: 10.7527/S1000-6893.2013.0186, PP. 2038-2046

Keywords: 飞翼布局,等离子体,流动控制,气动力,粒子图像测速

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Abstract:

以飞翼布局飞行器所面临的飞行控制问题为背景,采用气动力测量技术和粒子图像测速(PIV)技术,在来流风速为8.2m/s时,研究了介质阻挡放电等离子体激励器对飞翼布局飞行器气动力矩的作用。研究结果表明在飞行器不同位置布置不同的激励器,可以实现对飞行器滚转、偏航及俯仰力矩的控制;改变激励电压,实现了对气动力矩的比例控制;通过与常规舵面的舵效进行比较,采用等离子体激励器获得的气动力矩控制,可以达到常规舵面一定偏转角度的控制效果。流场测量结果表明等离子体激励器对飞翼布局飞行器气动力矩的控制,主要是通过控制流动分离和前缘涡破碎点位置的变化来实现的。因此,可以考虑应用等离子体流动控制技术来增强传统的舵面控制,并在提高控制效率的基础上,使其成为一种新型的飞行控制方式。

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