Cooperative guidance method for heterogeneous aircraft considering attack time and attack angle constraints

Abstract

The present invention provides a cooperative guidance method for heterogeneous aircraft considering the constraints of attack time and attack angle, including the following steps: Step 1: Establishing a mathematical model of the aircraft and relative motion relationships; Step 2: Designing a designated time hit guidance law for the main aircraft; Step 3: From the design of aircraft guidance laws. Among them, the aircraft group consists of a single master aircraft and multiple slave aircraft, and only the master aircraft can receive the attack time command. This method first establishes the mathematical model of the master aircraft and the slave aircraft, and gives the motion relationship between the master aircraft and the slave aircraft relative to the target. On this basis, the guidance law for the master aircraft to hit the target at a specified time is designed; Simultaneously with the main aircraft hitting the target, the coordinated guidance law is designed to make the distance between the slave aircraft and the target and the main aircraft and the target consistent, and the line-of-sight angle of the slave aircraft relative to the target tends to the preset desired angle.

Description

technical field [0001] The invention relates to a cooperative guidance method for heterogeneous aircrafts considering attack time and attack angle constraints, which belongs to the field of aircraft guidance and control, and specifically designs a cooperative guidance strategy to realize that the entire group of heterogeneous aircrafts hits a target at a specified time at the same time. Background technique [0002] In military operations, high-value targets are usually protected by defense systems. Therefore, using a single aircraft to independently guide such targets is easily intercepted by the defense system, and the combat success rate is low. Multi-aircraft cooperative guidance is regarded as one of the effective ways to break through the defense system to strike targets, and it is an important direction to realize the transformation from a "platform-centric" single aircraft combat method to a "network-centric" multi-aircraft combat method. Through coordinated operatio...

AI Technical Summary

Problems solved by technology

[0003] However, most of the existing cooperative guidance methods focus on the design of homogeneous aircraft groups, and there is still little research on the cooperative guidance methods for heterogeneous aircraft

In addition, for multiple aircraft to attack targets at designated time, the existing guidance method is to assign the same attack time command to each aircraft, requiring each aircraft to have the ability to receive attack commands, and there is no information interaction between aircraft, the guidance law Independent design, so the ability of information sharing and coordination is weak

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