摘要
在对四旋翼飞行器结构优化设计中针对可倾转旋翼的四旋翼飞行器飞行过程中出现的垂直起降速度慢和高空巡航距离短,稳定性受到扰动的问题,提出了倾转旋翼和伸缩翼膜相结合的飞行器结构。采用具有伸缩性能的主翼膜及其主传动机构,当飞行器在垂直起降和高空巡航过程时,使主翼膜分别处于收缩和伸展状态,以减小气流扰动和提供部分升力。根据旋翼、机身和主翼膜的力学模型,分析了飞行器在不同飞行过程的受力情况,进行了飞行性能Matlab仿真。仿真结果表明:与传统四旋翼飞行器相比,具有伸缩翼膜的可倾转旋翼的四旋翼飞行器具备起降迅速、远程巡航的优点,具有较高的工程实践价值。
In order to solve the problems of low speed for vertical take-off and landing and short cruising distance of the tilt rotor aircraft, a kind of structure is designed. The new type of tilt rotor aircraft adopts the main drive mech- anism that can drive wing membrane contraction. The main wing membrane is in contraction/extension to reduce the air flow disturbance/provide part of the lift when the vehicle is in the vertical takeoff/landing altitude cruise process. According to the mechanical model of the rotor and the fuselage and the main wing membrane, the stress situation of the aircraft is analyzeds and simulated in different flight processes. The results show that the aircraft has advantages with fast landing and long-range cruising.
出处
《计算机仿真》
CSCD
北大核心
2016年第3期61-64,共4页
Computer Simulation
基金
国家自然科学基金项目(U1333111)
中央高校基金项目(3122015C013
3122013D021)
