摘要
动力翼伞具有有效载荷大、续航时间长、安全性和可靠性高以及成本低等优点,在军用和民用领域有很大的发展潜力。文章针对动力翼伞的地面拖曳起飞过程,根据牛顿力学的基本原理,建立了动力翼伞拖曳起飞纵向动力学模型,描述了翼伞拖曳、稳定、放飞过程的运动状态,搭建了动力翼伞运动过程的仿真环境,分别模拟了拖曳过程与放飞后翼伞的运动状态。通过控制变量比较了翼伞在不同运动参数下的稳定情况,给出了动力翼伞释放的速度、角速度以及角度条件,得出了地面拖曳车辆的合理运动模式及动力翼伞释放时机,对于后续动力翼伞的工程应用具有一定的指导意义。
Powered parafoil has the advantages of large payload,long endurance,high safety,high reliability and low cost.It has great development potential in military and civil fields.In this paper,aiming at the ground towing take-off process of power parafoil,according to the basic principle of Newtonian mechanics,a longitudinal dynamic model of power parafoil towing take-off is established to describe the motion state of powered parafoil towing,stability and release process.A simulation environment for the motion process of power parafoil is built.The motion state of the parafoil during towing and after releasing is simulated respectively.The stability of the parafoil in different motion parameters is compared through control variables.The release speed,angular velocity and angular conditions of the power parafoil are given.The reasonable motion mode of the ground towed vehicle and release time of the powered parafoil are obtained,which has certain guiding significance for the engineering application of the follow-up powered parafoil.
作者
苏浩东
滕海山
刘宇
吴卓
SU Haodong;TENG Haishan;LIU Yu;WU Zhuo(Beijing Institute of Space Mechanics&Electricity,Beijing 100094,China;Laboratory of Aerospace Entry,Descent and Landing Technology,CASC,Beijing 100094,China)
出处
《航天返回与遥感》
CSCD
北大核心
2023年第3期9-20,共12页
Spacecraft Recovery & Remote Sensing
基金
国家自然科学基金(11602018)。
关键词
拖曳起飞
动力学仿真
翼伞摆角
拖曳车运动
动力翼伞
towing take-off
dynamics simulation
swing angle
towing vehicle movement
parafoil stability
powered parafoil
