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Chapter 10 FUZZY CONTROL Chi-Yuan Yeh
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Fuzzy Logic Controller
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Inference
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Inference
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Inference
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Inference
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Defuzzification Mean of Maximum Method (MOM)
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Defuzzification Center of Area Method (COA)
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Defuzzification Bisector of Area (BOA)
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Lookup Table The lookup table can be constructed after making the FLC and identifying the relationships between the input and output variables.
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Discretization of universe of discourse
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Normalization of universe of discourse
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Fuzzy partition of input and output spaces
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A fuzzy partition in 2-dimension input space
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A fuzzy partition having three rules
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Design Procedure of Fuzzy Logic Controller
Determination of state variables and control variables Determination of inference method Determination of fuzzification method Discretization and normalization of state variable space Partition of variable space Determination of the shapes of fuzzy sets Construction of fuzzy rule base Determination of defuzzification strategy Test and tuning Construction of lookup table
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Application Example of FLC Design
Determination of state variables and control variables Determination of inference method
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Application Example of FLC Design
Determination of fuzzification method Discretization and normalization of state variable space
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Application Example of FLC Design
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Application Example of FLC Design
Partition of variable space Determination of the shapes of fuzzy sets
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Application Example of FLC Design
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Application Example of FLC Design
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Application Example of FLC Design
Construction of fuzzy rule base
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Application Example of FLC Design
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Application Example of FLC Design
Determination of defuzzification strategy Test and tuning
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Application Example of FLC Design
Construction of lookup table
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