Guidance Law Design Method for Multi-missile Cooperative Operation Aiming at Maneuvering Targets and Allowing Communication Delay

Abstract

The invention discloses a guidance law design method for controlling a plurality of missiles in cooperative operations, including: aiming at a maneuvering target whose acceleration cannot be predicted, establishing a kinematics model of the missile group and the target in two-dimensional space; In the direction, the discontinuous control is used to establish the guidance law, so that the velocity of the missile perpendicular to the line of sight converges to zero within a limited time; in the direction of the missile along the line of sight, the guidance law is established by using the distributed consistency protocol and the discontinuous control to satisfy even When there is a time delay in the communication network, the relative distance between the missile and the target and the relative speed of the missile along the line of sight can still converge to zero within a limited time; use the continuous method and the adaptive control method to improve the discontinuous control and reduce the guidance law Sudden change of acceleration input and elimination of input chattering.

Description

Technical field: [0001] The invention relates to a guidance law design method for cooperative combat of multiple missiles, which ensures that the relative distance and relative speed between the missile and the maneuvering target can be achieved when the target acceleration cannot be predicted and when there is a time delay in network communication, and belongs to the technical field of guidance. . Background technique: [0002] With the increasingly mature air defense early warning mechanism, the continuous enhancement of radar tracking and scanning capabilities, and the gradual improvement of air defense missile performance, anti-ship missiles and surface-to-surface missiles will have a high probability of being intercepted by enemy air defense systems. A single combat missile is usually difficult to complete the strike against the target. However, with the development of communication technology, multi-missile cooperative operations using distributed networks for informa...

AI Technical Summary

Problems solved by technology

[0004] However, the actual battlefield situation is complex, especially when the missile launch distance is far from the target, the unpredictable movement of maneuvering targets such as ships cannot be approximated as uniform movement

In addition, in communication transmission, time lag is inevitable, which may cause chattering or even divergence of the system near the equilibrium point.

Especially for missiles moving at extremely fast speeds, the time lag may cause obvious errors, seriously reducing the effect of multi-missile coordinated attacks

Research on maneuvering targets and cooperative guidance laws that allow communication delays has not yet been seen in the relevant literature

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