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Fuzzy controller (cont’d)<br />

• FMRLC will automatically synthesize or tune<br />

output MFs. . (Input MFs are fixed.)<br />

• Initialization is necessary for output MFs. . Make a<br />

best guess, or just choose the triangular ones.<br />

• Method selections<br />

• Fuzzification: : singleton fuzzification<br />

• Premise “and”:: minimum or product<br />

• Implication: minimum or product<br />

• Defuzzification: : COG method, center average method<br />

Fall 2008 MECH523 : Intelligent Control 8

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