A vertical attack guidance method for guided rockets based on landing point estimation

Abstract

The invention discloses a vertical attack guidance method for a guided rocket based on impact point estimation. The invention can realize entering the terminal guidance stage with a large drop angle, and reduce the requirement on the overload capacity of the missile terminal guidance stage. In the early stage of the descending arc section, the present invention adjusts the trajectory by first pulling up and then pressing down, so that the guided rocket can enter the terminal guidance stage at a nearly vertical angle, reducing the difficulty of guidance control of the terminal guidance, and can effectively achieve vertical strikes. Improve the attack performance of the warhead. In addition, the present invention can effectively obtain the optimal control timing of the pull-up operation and the push-down operation in the third stage by introducing the off-target amount of the handover point, and the method is simple and reliable. At the same time, the invention tracks the ideal trajectory in the first stage, and adjusts the trajectory according to the zero-efficiency prediction miss amount in the second stage, fully utilizes the maneuverability of the rocket on the entire trajectory, and has the advantages of simple algorithm, easy implementation, and wide attack range.

Description

technical field [0001] The invention relates to the technical field of ammunition guidance control, in particular to a vertical attack guidance method for guided rockets based on impact point estimation, which can be used for guided rockets, guided shells, guided missiles, guided missiles and other guided weapons and equipment. Background technique [0002] For most types of warheads, the falling angle is an important factor affecting the power of the warhead. Taking the anti-personnel blasting warhead as an example, since the fragments of the warhead are scattered mainly near the normal plane of the projectile axis, the falling angle When the warhead fragments are small, most of the warhead fragments fly to the ground and sky at close range, and the power of the warhead is greatly affected. Taking the penetrating warhead as an example again, a large drop angle is conducive to the penetrating effect of the warhead. In the case of a small drop angle, the penetrating warhead i...

AI Technical Summary

Problems solved by technology

However, the numerical optimization program often has a large amount of calculations, and the real-time ballistics during the flight put forward higher requirements on the computing power of the on-board computer, which is not conducive to engineering realization.

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