SAMWONTECH
4st Edition of TEMI2000_Series IM : Aug. 18. 2009 Page 23 / 55
4.2 FUZZY function
▶ FUZZY function can effectively control the overshoot that may occur when intense fluctuating load or
frequent Set Point changing
▶ Before PV approaches to SP, automatically calculated SUPER SP can restrain overshoot.
▪ FUZZY ‘OFF’
▪ FUZZY ‘ON’
PV
Time
SP
SP
PV
▲
Generating MV
by assuming SUPER SP as real SP
SUPER SP
Overshoot control
Time
▲
SUPER SP
Calculating SUPER SP
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