发射装置支撑刚度对火箭弹初始扰动的影响研究

Study on the Influence of the Launcher Support Stiffness on Rocket Initial Disturbances

针对某实验火箭弹发射装置的支撑刚度与火箭弹初始扰动的关系问题,采用多刚体动力学仿真分析和实验验证相结合的方法进行了研究,实验通过设计刚度可调装置及采用光学杠杆测量等方法来实现。结果表明:发射装置支撑刚度的大小对弹的初始扰动有影响,并且随着刚度值的变化,弹的初始俯仰角速度曲线存在极值。

The relation between some rocket launcher support stiffness and the initial disturbances of the rocket was studied by the method of combining the multi-rigid-body dynamics simulation with the experiment implemented by designing launcher with adjustable support stiffness and using optical lever measurement. The results show that the launcher support stiffness can affect the initial disturbances of test rocket, and along with the change of launcher support stiffness continuously, there are the extreme point on the curve of initial pitching velocity of the rocket.