在实际飞行过程中,二维激光弹道修正弹通常先设定期望弹道,生成修正指令使其沿着期望弹道飞行。为抵抗环境干扰,文中提出模型参考自适应的制导方法,基于终端滑模理论的自适应算法使实际弹目视线角收敛到预期弹目视线角附近小范围内。仿真结果显示,提出的方法可以准确拦截目标,并具有优异的量测噪声抵抗特性。

In real interception, an expected trajectory program should be set for laser trajectory correction projectiles first, and then correction commands are created and force the projectile to fly along the expected trajectory. In this paper, model reference adaptive (MRA) guidance method is presented to resist environment disturbance, and an adaptive algorithm based on terminal sliding mode theory is proposed to make actual line-of-sight (LOS) angle converge into a small region around the expected projectile-target LOS angle. Simulation results show that proposed guidance method can intercept target accurately and hold the superiority in measurement noise resistance.