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小型涵道飞行器悬停状态动力学建模研究

Keywords: 涵道飞行器,悬停,动力学,零动态,内动态稳定性

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Abstract:

针对小型涵道飞行器介于直升机和固定翼飞机之间独特的结构特点和控制特性,对小型涵道飞行器在悬停状态下的动力学进行分析,结合刚体动力学和空气动力学对飞行器所受力和力矩进行推导,并建立动力学模型.同时对模型零动态的渐近属性进行研究,得出飞行器物理参数与内动态稳定性的关系,分析结果表明,系统零动态的指数不稳定性不仅受到控制舵压心到飞行器质心距离的影响,同时也和螺旋桨的陀螺惯量有关.

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