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Acta Armamentarii ›› 2023, Vol. 44 ›› Issue (9): 2580-2590.doi: 10.12382/bgxb.2022.1160

Special Issue: 智能系统与装备技术

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Distributed Adaptive Optimal Cooperative Interception Method for Missile Swarm with Synchronization Error Constraints

LIU Dawei1, SUN Jingliang2,3,*(), LONG Teng2,3, HE Jing1, WANG Xiaoyue1,2   

  1. 1 China Research and Development Academy of Machinery Equipment, Beijing 100089, China
    2 School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China
    3 Beijing Institute of Technology Chongqing Innovation Center, Chongqing 401120, China
  • Received:2022-11-30 Online:2023-02-20
  • Contact: SUN Jingliang

Abstract:

To deal with the problem of poor synchronization for partial unknown nonlinear cooperative guidance system subject to synchronization error constraints caused by unknown maneuvering targets, a feedforward compensation+feedback optimization cooperative guidance framework is constructed. Then, a distributed adaptive optimal cooperative interception guidance method is proposed. In the feedforward compensation part, a nonlinear mapping mechanism is provided by designing a novel barrier Lyapunov function (BLF) for compensating the system effects of synchronization error constraints. To estimate the unknown nonlinear term caused by the maneuvering target, a neural network (NN) observer is built, in which the weight values are updated adaptively for estimating the target's unknown maneuvering disturbance. In the feedback optimization part, the virtual and actual control inputs are designed recursively by using the ADP technique, in which the control input in every backstepping process is transformed into the issue of solving the nonlinear coupled HJB equation. An adaptive critic network is built to solve the optimal cost function of the HJB equation online, in which a residual error based adaptive updating law of critic weight is derived. The stability of the nonlinear cooperative guidance closed-loop system is analyzed and the convergence of cooperative synchronization error is guaranteed theoretically based on the Lyapunov theory. The simulation results show that the synchronization error can be reduced to 0.01s while ensuring the interception precision with the proposed method.

Key words: cooperative interception, target maneuvering, ADP, error constraints, adaptive critic network

CLC Number: