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Related Experiment Videos

Missile guidance law design using adaptive cerebellar model articulation controller.

Chih-Min Lin1, Ya-Fu Peng

  • 1Department of Electrical Engineering, Yuan-Ze University, Chung-Li 320 Taiwan, ROC. cml@saturn.yzu.edu.tw

IEEE Transactions on Neural Networks
|June 9, 2005
PubMed
Summary

This study introduces an adaptive cerebellar model articulation controller (CMAC) for missile guidance. The novel approach ensures accurate tracking for command-to-line-of-sight (CLOS) systems, enhancing missile control performance.

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Area of Science:

  • * Aerospace Engineering
  • * Control Systems Theory
  • * Artificial Intelligence

Background:

  • * Traditional missile guidance systems face challenges with time-varying nonlinear dynamics.
  • * Command-to-Line-of-Sight (CLOS) guidance requires precise tracking of target dynamics.
  • * Existing control methods may struggle with uncertainties and complex system behaviors.

Purpose of the Study:

  • * To design an adaptive cerebellar model articulation controller (CMAC) for three-dimensional (3-D) CLOS missile guidance.
  • * To formulate the 3-D CLOS guidance problem as a time-varying nonlinear system tracking problem.
  • * To develop a robust control system capable of handling system uncertainties and achieving satisfactory tracking performance.

Main Methods:

  • * An adaptive CMAC control system integrating a CMAC and a compensation controller was developed.

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  • * The CMAC was designed to approximate a feedback linearization control law.
  • * An online adaptive law based on Lyapunov stability theorem was derived for CMAC weight learning, alongside an error bound estimation law.

    • Main Results:

    • * The proposed adaptive CMAC-based guidance law demonstrated effective tracking performance in simulations.
    • * The control system successfully compensated for differences between the ideal and approximated control laws.
    • * Simulation results across various engagement scenarios validated the guidance law's effectiveness.

    Conclusions:

    • * The adaptive CMAC provides a viable and effective solution for 3-D CLOS missile guidance.
    • * The developed control strategy enhances tracking accuracy in complex, dynamic environments.
    • * The method offers a robust approach to missile guidance, adaptable to varying conditions.