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A Novel Fixed-Time Convergence Guidance Law against Maneuvering Targets

Author

Listed:
  • Yaosong Long

    (School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Chao Ou

    (School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
    Aerospace Technology Institute of China Aerodynamics Research and Development Center, Mianyang 621000, China)

  • Chengjun Shan

    (School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Zhongtao Cheng

    (School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

Abstract

In this paper, a new fixed-time convergence guidance law is proposed against maneuvering targets in the three-dimensional (3-D) engagement scenario. The fixed-time stability theory is used to zero the line-of-sight (LOS) angle rate, which will ensure the collision course and the impact of the target. It is proven that the convergence of the LOS angle rate can be achieved before the final impact time of the guidance process, regardless of the initial conditions. Furthermore, the convergence rate is merely related to control parameters. In theoretical analysis, the convergence rate and upper bound are compared with that of other laws to show the potential advantages of the proposed guidance law. Finally, simulations are carried out to illustrate the effectiveness and robustness of the proposed guidance law.

Suggested Citation

  • Yaosong Long & Chao Ou & Chengjun Shan & Zhongtao Cheng, 2023. "A Novel Fixed-Time Convergence Guidance Law against Maneuvering Targets," Mathematics, MDPI, vol. 11(9), pages 1-15, April.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:9:p:2090-:d:1135026
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    References listed on IDEAS

    as
    1. Zongyu Zuo & Lin Tie, 2016. "Distributed robust finite-time nonlinear consensus protocols for multi-agent systems," International Journal of Systems Science, Taylor & Francis Journals, vol. 47(6), pages 1366-1375, April.
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