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M型机翼变体飞机动力学分析

Keywords: 变体飞机,M型机翼,变形建模,俯仰运动,转向运动

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Abstract:

对变体飞机机翼变形时的飞行动力学响应进行仿真,分析机翼变形诱导出附加力及力矩的影响,为变体飞机飞行控制提供参考依据.基于牛顿欧拉方程,推导出适用于变体飞机的扩展运动方程,方程中增加了4项由于机翼变形而产生的附加力及附加力矩.基于涡格法建立任意机翼构型下气动力求解方法.将变体机翼飞机的动力学建模与仿真分析方法应用于M型机翼变体飞机,对机翼对称及非对称变形下的动力学响应进行分析.结果表明,附加力及附加力矩对变体飞机飞行影响明显.

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