Method and apparatus for directing a pursuing vehicle to a target with

Abstract

A method and apparatus for directing a pursuing vehicle, such as a torpedo, n an intercept trajectory from a launching vehicle to a target vehicle with evasion capabilities. Models of the pursuing vehicle and evading target provide proposed trajectories based upon various environmental considerations. A guidance system uses estimates of initial operating parameter solutions, such as gyro angle, alertment time and intercept time, to begin a convergent, iterative process that defines final operating parameter solutions from which the guidance parameters are determined and transferred to the pursuing vehicle at launch. These parameters take into account various evasive strategies that a target vehicle might use to avoid being intercepted by the pursuing vehicle.