Research On Cooperative Guidance Law Of Multi-missile Over Unstable Networks

The cooperative guidance of multi-missile is an important means of information warfare in the future and salvo attack based on time-coordination is a great threat to enemy anti-missile system.Its main aim is to make use of the tactics of saturation attack to make enemy antimissile system unable to deal with each other and to win by quantity.Under the influence of the factors such as node fault,network delay,data loss and so on,the combat network environment of multi-missile system is unstable,so it is necessary to study the multi-missile co-guidance problem under the condition of network instability in order to meet the need of complex battlefield environment.Based on the consistency protocol of multi-agent system,the multi-missile coordinated guidance law under the condition of network instability is studied,and the contents are as follows:1.A non-directed random network model of multi-missile system data transmission is established for the factors of network fault,transmission delay and data packet loss.Based on this,a multi-missile cooperative guidance law is designed.2.This paper expounds the relationship between the existence and distribution of the root nodes in the digraph and the in-degree Laplacian matrix.A search algorithm for all the root nodes and spanning trees in the graph is put forward.The efficiency of these search algorithms is compared the by the example.The relationship between the consistent state of multi-agent system and its network structure is analyzed,and a variable weight consistency protocol is proposed.3.This paper studies the network recovery strategy under node failure condition,then puts forward a variable weights coordination guidance law based on variable weights consistency protocol,and finally,the difference between the fixed weight value coordination guidance law and the variable weight value coordination guidance law is compared,and verifies the validity of the coordinated guidance of the variable weight value coordination guidance law to the node failure condition by simulation.