摘要
伞弹系统在自由下落过程中具有非常复杂的动力学特性,仿真模拟其运动规律对于其结构设计和稳定性研究具有指导意义。文中以末敏弹稳态扫描段为例,建立了旋转伞弹系统的运动模型,并给出了基于Adams软件的多体动力学仿真结果。最后,结合末敏弹的作用机理和弹箭目标的外弹道理论,分析了各弹道诸元随飞行时间的变化规律。研究成果可应用于伞弹系统的设计分析、指导伞弹空投试验。
The dynamic behavior of bomb-parachute system during its free falling is very complex,and simulating its characteristics of motion has a guiding significance for the structure design and stability research. Taking terminal sensitive projectile at steady state scanning stage as an example,the motion model of rotating bomb-parachute system is established,and its multi-body dynamics simulation results based on Adams software is given.Finally,the variation with flight time of various elements of ballistic trajectories is analyzed by combining the mechanism of terminal sensitive projectile and the exterior ballistics theory of projectile target. The results above can be applied to the design of bomb-parachute system and the guidance of its aerial delivery test.
出处
《电子机械工程》
2015年第1期57-60,共4页
Electro-Mechanical Engineering
关键词
伞弹系统
动力学模型
稳态扫描
末敏弹
bomb-parachute system
dynamics model
steady state scanning
terminal sensitive projectile
