In this paper, we propose a guidance synthesis method for enhancing anti-ship missiles' survivability against ship-borne CIWS (close-in weapon system). Using CEALM (coevolutionary augmented Lagrangian method), a direct optimization technique, an optimal control problem to minimize time-varying weighted sum of the inverse of aiming errors of CIWS is solved. The optimal evasive trajectory exhibits sinusoidal acceleration commands, which results in barrel-roll type evasive maneuvers. Inspired by the optimization results, a 3-dimensional biased proportional navigation guidance (PNG) law to induce a barrel-roll maneuver during the homing phase is proposed. Capturability of the proposed guidance law is proved by using the Lyapunov stability theory. A proper choice of the barrel-roll direction also guarantees that the missile altitude can be made lower bounded. Performance of the proposed guidance laws is compared with conventional PNG via simulations.
Guidance Synthesis for Evasive Maneuver of Anti-Ship Missiles Against Close-In Weapon Systems
IEEE Transactions on Aerospace and Electronic Systems ; 46 , 3 ; 1376-1388
2010-07-01
3627996 byte
Article (Journal)
Electronic Resource
English
Guidance Synthesis for Evasive Maneuver of Anti-Ship Missiles Against Close-In Weapon Systems
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