PresentationIsabelleLaureyns

PresentationIsabelleLaureyns - Introduc)on Fuzzycontrollers...

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By Isabelle Andrea Gabrielle Laureyns
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Introduc)on Fuzzy controllers Performed in an ad hoc manner Not clear how to justify the choices of many parameters The fuzzy controller constructed for the nominal plant may later perform inadequately due changes of the plant, environment disturbances A “learning” algorithm is needed to resolve these fuzzy controller design issues
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Introduc)on FMRLC Employs a reference model To provide a closed‐loop performance feedback for synthesizing Tuning a fuzzy controller’s knowledge‐base How to improve Procyk and Mamdani’s linguistic self‐ organizing controller By utilizing certain general ideas in conventional adaptive control (MRAC) Incorporates a capability for accurately quantifying virtually any form of desired performance (disadvantages: large memory , long computation time)
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FMRLC ‐ Architecture
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Parameters c(t) : velocity of the exhaust gases (only input to the plant) v(t) : rocket velocity
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