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This chapter aims to design a varying-gain PNG law with precise time-to-go prediction and enhanced control effectiveness for the nonlinear guidance model. On this basis, a time-to-go feedback term is added to the varying-gain PNG law to obtain an ITCG law with higher impact precision, wider feasible region, and less energy consumption. Finally, the above results are extended to the practical 3D guidance scenario with flight speed variation.

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Varying-Gain Proportional Navigation Guidance for Time Control

  • 章节

  • 发表日期：

    2025年

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  • Wei Dong,
  • Chunyan Wang,
  • Jianan Wang,
  • Ming Xin,
  • Fang Deng

摘要

This chapter aims to design a varying-gain PNG law with precise time-to-go prediction and enhanced control effectiveness for the nonlinear guidance model. On this basis, a time-to-go feedback term is added to the varying-gain PNG law to obtain an ITCG law with higher impact precision, wider feasible region, and less energy consumption. Finally, the above results are extended to the practical 3D guidance scenario with flight speed variation.