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首页> 外文期刊>Journal of guidance, control, and dynamics >Switched-Gain Guidance for Impact Angle Control Under Physical Constraints
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Switched-Gain Guidance for Impact Angle Control Under Physical Constraints

机译：物理约束下的冲击角控制开关增益制导

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摘要

The nonlinear impact angle control problem of a physically constrained pursuer against a stationary ground target is solved through the use of a two-phased proportional navigation guidance scheme. The look angle and acceleration constraints are handled by numerically solving for the required values of the midcourse and terminal navigation gains. Different formulations are presented for three cases. The first one is the unrealistic case of constant velocity included for demonstration purposes. The second one is the more realistic case of constant maximum lift coefficient that is likely to suit subsonic ground-to-ground engagements. The last one is the adaptive update case that is intended for pursuers experiencing wide flight regimes. A simple range observer is also introduced to supplement the last case. The performance of the proposed technique is illustrated with simulations.
机译：通过使用两阶段比例导航制导方案，可以解决物理约束的制导器对固定地面目标的非线性撞击角控制问题。通过对中段和终端导航增益的要求值进行数值求解，可以处理视角和加速度约束。针对三种情况提出了不同的公式。第一个是出于演示目的包括恒定速度的不现实情况。第二种情况是更现实的情况，即恒定的最大升力系数很可能适合于亚音速地面对地面的接合。最后一个是适应性更新案例，适用于经历较宽飞行体制的追随者。还引入了一个简单的范围观察器来补充最后一种情况。仿真结果说明了所提出技术的性能。

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