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Fuzzy gain-scheduled missile autopilot design using evolutionary algorithms

The paper presents the lateral acceleration control design of a missile model using the evolution strategy (ES). The nonlinear fixed-structure-like controller is represented by the singleton fuzzy model. This allows a variation of shapes of the gain functions to be explored, and subsequent modificat...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems 2006-10, Vol.42 (4), p.1323-1339
Main Authors: Screenuch, T., Tsourdos, A., Hughes, E.J., White, B.A.
Format: Article
Language:English
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Summary:The paper presents the lateral acceleration control design of a missile model using the evolution strategy (ES). The nonlinear fixed-structure-like controller is represented by the singleton fuzzy model. This allows a variation of shapes of the gain functions to be explored, and subsequent modification is fairly easy. Instead of finding an optimal decomposition of the fuzzy controller, a set of fuzzy rules is unconventionally optimized for the overall gain surfaces that guarantee acceptable performances for the closed-loop system over the whole operating envelope. The simulation results show that the designed fuzzy gain-scheduled controller is a robust tracking controller for all perturbation vertices
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2006.314575