Classical and Simple Adaptive Control for Nonminimum Phase Autopilot Design

  • Itzhak Barkana
  • Journal of Guidance Control and Dynamics, July 2005, American Institute of Aeronautics and Astronautics (AIAA)
  • DOI: 10.2514/1.9542

What is it about?

A recent publication uses a difficult design example to show that fuzzy logic might have advantages when compared with classical compensators. Although in this particular case the application was shown to be successful, convergence of the fuzzy-logic algorithm as well as other time-varying controllers, cannot not be guaranteed, unless some preliminary conditions are satisfied. It will be shown that further exploitation of the classical design can improve robust performance. This result is then used to create sufficient conditions that guarantee convergence with time-varying controllers, and it is then shown that simple adaptive control methods can further improve performance and maintain it in changing environments.

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