IC-404-E FUZZZY CONTROL SYSTEM
IC-404-E FUZZZY CONTROL SYSTEM
CLASS WORK : 50
EXAM : 100
UNIT 1 INTRODUCTION:
Fuzzy control from an industrial perspective, knowledge-based controllers, knowledge representation in KBC’s.
UNIT 2 THE MATHEMATICS OF FUZZY CONTROL:
Vagueness, fuzzy logic versus probability theory, fuzzy sets, their properties & operations on fuzzy sets, fuzzy relations & operations on fuzzy relations, the Extension Principle, Fuzzy propositions, The Compositional Rule of Inference, Different implications, Representing a set of rules.
UNIT 3 FKBC DESIGN PARAMETERS:
The PKBC architecture, choice of variables & content of rules, Derivation of rules, choice of membership functions, choice of scaling factors, choice of fuzzification procedure, choice of defuzzification procedure, comparison and evaluation of defuzzification methods.
UNIT 4 NONLINEAR FUZZY CONTROL:
The Control Problem, The FKBC as a Non-Linear Transfer Element, Types of FKBC such as PID-like FKBC, Sliding Mode FKBC, Sugeno FKBC.
UNIT 5 ADAPTIVE FUZZY CONTROL:
Design & Performance Evaluation, Approaches to Design such as membership function tuning using gradient descent, membership function tuning using performance criteria, the self-organizing controller, model based controller.
UNIT 6 STABILITY OF FUZZY CONTROL SYSTEMS:
The State space approach, Stability and robustness indices, input-output stability, circle criterion, the conicity criterion.
TEXT BOOK:
An Introduction to Fuzzy Control: D.,Driankov, H.Hellendoorn and M.Reinfrank.; Narosa.
REFERENCE BOOKS:
Fuzzy Control Systems : Abraham Kandel and Gideon Imngholz; Narosa
NOTE : Eight question are to be set at least one from each unit. Students have to attempt five questions in all.
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