S. Bogdan, Z. Kovacic, and M. Puncec (Croatia)
fuzzy control, fuzzy Lyapunov stability, cascade control
This article addresses stability issue in fuzzy logic control systems. Based on Fuzzy Lyapunov Stability, defined by fuzzy numbers and fuzzy relations, cascade control system is proposed and experimentally tested on a ball and beam setup. Results have shown that only basic heuristic knowledge about the system is sufficient for design of simple stable fuzzy controller.
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