Abstract
The initial conditions of the cooperative terminal guidance law, which are the terminal conditions of the cooperative midcourse guidance, have a greater impact on its cooperation and guidance precision, so it is worthy of investigating the cooperative midcourse guidance. In addition, the problem of communication delay between the network nodes is inevitable and has a greater impact on the cooperative guidance law. To solve the above problems, a novel distributed cooperative midcourse guidance (DCMG) law with communication delay is proposed by combining the cooperative term with a distributed consensus protocol including communication delay under the directed communication topology. Firstly, a DCMG law with communication delay is designed by combining the trajectory shaping guidance with the distributed protocol including communication delay under the directed communication topology; secondly, the consensus of the proposed DCMG law with communication delay under the directed graph is proved; finally, the effectiveness and superiority of the proposed DCMG law are verified by numerical simulations.
Highlights
As more and more high-value targets are equipped with antimissile systems, the traditional single missile’s killing ability of attacking a single target has seriously deteriorated
The main contributions of this paper are summarized as follows: (A) Compared with Refs. [29,30,31,32], this paper proposes a distributed cooperative midcourse guidance (DCMG) law with communication delay against a maneuvering target under the directed graph in the three-dimensional planes. (B) Compared with Refs. [29,30,31], this paper solves the communication delay problem under the directed communication topology and has more practical engineering significance than the undirected graph. (C) Refs. [30, 33] need to solve the linear matrix inequalities (LMI) in real time to obtain the upper bound of the communication delay, which places higher requirements on the computing power of the system
The method proposed in this paper can directly obtain the upper bound of the communication delay through the communication topology, which is simpler and more conducive to practical engineering applications than the LMI method
Summary
As more and more high-value targets are equipped with antimissile systems, the traditional single missile’s killing ability of attacking a single target has seriously deteriorated. Based on the direction and normal direction of LOS, Zhang and Yang [16] provide a fully distributed, adaptive, and optimal approach to address the problem of simultaneous attack against a maneuvering target with multiple missiles. They designed a cooperative guidance based on a time-varying terminal sliding mode for maneuvering target [17]. Based on the above analysis, the distributed cooperative midcourse cooperative guidance law based on the directed graph with communication delay is worth studying, and the upper bound of the communication delay can be obtained to facilitate practical applications.
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