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This paper presents two kinds of cooperative guidance with practical predefined time (PPT) convergence for multiple missiles. Firstly, the PPT cooperative guidance law (PPTCGL) is designed by using time-varying scaling function, which can ensure that impact time consensus and expected approach angle meet requirements within the preset time. Then, the fixed-time disturbance observer (FxTDO) is applied to estimate the existing perturbations. The PPT performance of the proposed PPTCGL is analyzed via Lyapunov based stability analysis. Numerical simulation is carried out to verify the effectiveness of the proposed method.

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Practical Predefined-Time Cooperate Guidance Law Against Maneuvering Target

  • 会议论文

  • 发表日期：

    2025年

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  • Zihao Wu,
  • Yao Li,
  • Qingdong Li,
  • Bin Fu

摘要

This paper presents two kinds of cooperative guidance with practical predefined time (PPT) convergence for multiple missiles. Firstly, the PPT cooperative guidance law (PPTCGL) is designed by using time-varying scaling function, which can ensure that impact time consensus and expected approach angle meet requirements within the preset time. Then, the fixed-time disturbance observer (FxTDO) is applied to estimate the existing perturbations. The PPT performance of the proposed PPTCGL is analyzed via Lyapunov based stability analysis. Numerical simulation is carried out to verify the effectiveness of the proposed method.