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针对自寻的反坦克导弹需求,分析推导了导弹数学模型,包括坐标系与几何关系、导弹受力情况、运动学模型。围绕攻顶弹道进行了设计,探讨了弹道参数选择问题,给出了调试后的五种弹道参数取值。建立了制导控制系统仿真模型,对攻顶弹道进行了Simulink仿真。仿真结果表明,弹道设计合理可行、制导精度高,可对300 m~2500m的目标实施攻顶攻击,脱靶量在0.5 m以内。
According to the demand of antitank missiles, this paper analyzes and deduces the mathematic model of missiles, including the relationship between coordinate system and geometry, the condition of missile and the kinematics model. The design of the ballistic trajectory was studied. The ballistic parameter selection was discussed. The five ballistic parameters were obtained after commissioning. The guidance control system simulation model is established and Simulink simulation of the top attack trajectory is carried out. The simulation results show that the trajectory design is reasonable and feasible and the guidance accuracy is high. The target of attack from 300 m to 2500 m can be attacked with the miss distance within 0.5 m.