A New Cooperative Homing Guidance of Anti-ship Missiles for Survivability Enhancement

This paper proposes a new cooperative homing guidance to enhance the survivability of multiple anti-ship missiles against a high-value target such a frigate or a battleship when prior information on the target is unknown. In this paper, the survivability enhancement for the multiple anti-ship missiles against the battleship with no preliminary information on its current heading direction and weak spot is realized by satisfying relative intercept angle constraints between the neighboring missiles. To this end, a one-to-one guidance law providing zero-miss-distance and the desired intercept angle is extended to a multi-to-one engagement case, under the explicit cooperation concept. To be more specific, for a set of the one-to-one guidance laws, a cooperative way to determine a set of the desired intercept angles among the multiple missiles is developed. In the proposed method, the set of the desired intercept angles are selected to satisfy the pre-determined relative angle constraints for enhancing the survivability of the anti-ship missiles as well as to minimize the overall control energy for further increasing the mission success rate. Numerical simulations confirm the performance of the proposed method.