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针对弹道导弹助推段飞行中加速度大、飞行速度高、拦截反应时间短的特点,研究最优拦截直接碰撞制导律。在建立拦截弹与目标相对运动方程的基础上,以终端脱靶量最小和能量最省为性能指标,设计了空射反导导弹在助推段拦截弹道导弹目标的最优制导律。仿真结果表明,所设计的制导律满足设计指标,达到了直接碰撞杀伤目标的目的,验证了所设计制导律的正确性和有效性。
Aiming at the characteristics of large acceleration, high flying speed and short interception time in the boosting flight of ballistic missile, the optimal interception direct collision guidance law is studied. On the basis of establishing the relative motion equation between the interceptor and the target, the optimal guidance law for the target of intercepting the ballistic missile in the booster section of the air-launched anti-missile is designed based on the minimum terminal miss distance and the most energy-efficient index. The simulation results show that the designed guidance law meets the design criteria and achieves the goal of direct collision and kill, which verifies the correctness and validity of the designed guidance law.