倾转翼飞机过渡段的纵向建模与分析

The Longitudinal Model and Analysis of Transition Section of the Rotated Wing Aircraft

倾转翼飞机采用旋翼与全部或部分机翼一同倾转,旋翼为非变矩桨,是一种结构独特的新型飞行器。为满足倾转翼飞机从直升机模式到固定翼模式过渡飞行的定高控制需求,对纵向通道进行分析并建立了过渡段纵向的非线性数学模型。按照定高飞行的要求,对过渡段飞行进行配平研究并设计了转换通道。最后对模型线性化进行模态分析,分析结果表明该倾转翼飞机过渡段是稳定的。

Rotated wing aircraft is a unique new type of aircraft structure,whose rotor is non-torqued blade rotor and rotating with all or part of the wing. To meet the control demand of transition section from a helicopter model to the fixed wing of the rotated wing aircraft,the longitudinal nonlinear mathematical model has been established based on the analysis of longitudinal channel. Balancing the transition section model and designing the conversion channel according to the requirement of altitude. The model is linearized and analyzed,and the results show that the rotated wing aircraft transition section is stable.