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| 1 | 垂直起降固定翼无人机混合电推进系统设计与仿真研究显示文摘垂直起降固定翼无人机综合了固定翼和多旋翼的优势,在未来航空工业拥有良好前景,针对其动力系统结构分布和动力需求的特点,提出增程式油电混合电推进系统方案,根据飞行动力学和功率需求,对动力系统的各部件进行参数匹配与选型,结合恒功率控制策略建立油电混合电推进系统模型进行仿真分析。结果表明:电池SOC值最终稳定在0.35~0.45范围内,旋翼电机和尾桨电机均运转在参数匹配结果范围内,该混合电推进系统方案设计和参数匹配具有合理性。 | 邓涛 谭溪 熊志豪 郑宇惟 | 2023 | 重庆交通大学学报(自然科学版)2023，42，10： | 0 |
| 2 | Full mode flight dynamics modelling and control of stopped-rotor UAV显示文摘The Stopped-Rotor(SR)UAV combines the advantages of vertical take-off and landing of helicopter and high-speed cruise of fixed-wing aircraft.At the same time,it also has a unique aerodynamic layout,which leads to great differences in the control and aerodynamic characteristics of various flight modes,and brings great challenges to the flight dynamics modelling and control in full-mode flight.In this paper,the flight dynamics modelling and control method of SR UAV in full-mode flight is studied.First,based on the typical flight profile of SR UAV when performing missions,using the theory and method of fuzzy mathematics,the T-S flight dynamics model of SR UAV in full-mode flight is established by synthesizing the flight dynamics model of each flight mode.Then,an explicit model tracking and parameter adjusting control system based on fuzzy theory is designed to enhance the stability of the inner loop of SR UAV in full-mode flight,which effectively reduces the coupling between axes and improves the control quality of the system.Finally,the outer loop control system is designed by using classical control method,and the control law of SR UAV in full-mode automatic flight is obtained.The simulation results show that the proposed control system design method is feasible and effective,which lays a solid foundation for the subsequent engineering implementation of the SR UAV. | Ao HE Honggang GAO Shanshan ZHANG Zhenghong GAO Bodi MA Lulu CHEN Wei DAI | 2022 | Chinese Journal of Aeronautics2022，35，10： | 0 |
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