针对低旋弹药在脉冲发动机工作时影响弹道特性问题,进行了弹道特性仿真,分析了脉冲发动机位置和点火相位对末端修正弹修正能力的影响,并计算了脉冲发动机点火时间误差和位置误差对控制精度的影响,从而为脉冲式末端修正弹的外弹道设计提供理论依据。结果表明:通过调整脉冲发动机的位置和点火相位,可实现末端修正弹药的修正能力要求;点火时间误差和位置误差引起的控制偏差在5.1%以内。

In view of the problem that ballistic characteristics of low speed rolling ammunition would be influenced when impulse engine working, simulation of ballistic characteristics was implemented. The influence of impulse engine position and ignition phase on the terminal correct ammunition's correction capability was analyzed and impulse engine ignition time and position error on the control precision was calculated. Thus it can provide a basis for the design of terminal correcting ammunition. The result shows that the requirement of correction capability can be achieved through adjusting the impulse engine position and ignition phase. The error of control caused by ignition time and position is less than 5.1%.