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首页> 外文会议>TMS annual meeting exhibition;Symposium on characterization of minerals, metals, and materials >Circular trajectory guidance law with impact angle constraint based on PNG
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Circular trajectory guidance law with impact angle constraint based on PNG

机译：基于PNG的具有冲击角约束的圆形轨迹制导律

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The theorem is proved that the missile trajectory is a circular curve, when the initial guidance condition is satisfied that the difference between line-of-sight angle and trajectory inclination angle is equal to the difference between desired impact angle and line-of-sight angle, and then the proportional navigation guidance (PNG) whose navigation coefficient equals 2 is executed to attack the stationary target. Based on this theorem, a circular trajectory guidance (CTG) law with impact angle constraint is proposed, and the fixed rudder angle method is used to reach the initial guidance condition. The guidance law is used to the guided artillery rocket with limited maneuverability and ballistic trajectory. Simulation results show that the rocket can hit the target at desired impact angle, and the required lateral overloads during guidance phase is relatively small and it match very well with the available lateral overloads.
机译：定理证明，当满足初始制导条件时，视线角与弹道倾角之差等于期望的冲击角与视线角之差时，导弹的轨迹为圆曲线。 ，然后执行导航系数等于2的比例导航制式（PNG）攻击固定目标。基于该定理，提出了具有冲击角约束的圆形轨迹制导律，并采用固定舵角法达到初始制导条件。制导律用于机动性和弹道有限的制导火箭炮。仿真结果表明，火箭可以以期望的冲击角击中目标，制导阶段所需的横向过载相对较小，并且与可用的横向过载非常匹配。

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