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扑旋柔性翼飞行器驱动机构的设计及动力学建模

Keywords: 拉格朗日方程,电磁驱动,柔性翼,扑旋翼飞行器

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Abstract:

为解决传统旋翼飞行器在结构上需要尾梁、尾桨等来平衡扭矩装置所带来的飞行器结构复杂,升力与自身重量之比低,飞行性能不突出等问题,提出了一种扑旋翼结构设计方法,以及利用此方法设计的微小型扑旋翼飞行器.采用电磁铁吸合驱动装置,通过电流方向控制电路实现电流规律正反向变化,从而产生交变电磁力驱动扑翼扑动.同时分析这种扑翼结构的特性,建立扑旋翼机构的结构模型,并应用拉格朗日方程分析建立扑旋翼驱动装置的动力学模型.仿真实验结果表明,采用某一频率的交变电磁力时机翼会产生共振现象,在同等作用力下机翼的扑动角会有一定的增大.

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