The problem of bringing a missile into collision with a moving target is discussed. The zero-control miss (ZCM) guidance concept is introduced. It is shown how errors in the estimates of the current system state and the future zero-control response of the system lead to errors in estimating the ZCM, and consequently how the missile suffers an aiming error. The missile generally suffers a miss, because of its limited ability to follow the changing error, due to restricted bandwidth and control saturation. Optimal control laws based on the ZCM are derived, and expressions for the idealized terminal miss obtained. The equations suggest how the target might choose an optimal evasion strategy to maximize the miss. This leads to some discussion of game theory, and the basis for multiple hypothesis guidance.
Advanced Missile Guidance
1990
9 pages
Report
Keine Angabe
Englisch
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