Samwon Tech TEMI850 Instrukcja Obsługi Strona 34

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SAMWONTECH
3rd Edition of TEMI880 IM : Aug. 22. 2005 Page 32 / 123
When you have a heavy load variation or frequently change sp in operation, usually it
causes overshoot, in this case you can control overshoot with fuzzy function effectively.
Internal operation order of fuzzy function
1 When PV closes SP, SUPER SP operates calculation.
2 MV is calculated the value(SP) of calculation.
suppressing overshoot.
PV change depends on Fuzzy Operation
Fuzzy Off Fuzzy On
A case where TSP is changed, SP value is changed gradually from present PV to TSP.
SLOPE Operation
OPER. MODE
FIX RUN
TEMP SLOPE
20.0 ℃/MIN
[ changed SP(TSP) – PV at SP change ] : 20.0℃ slope / 1 minute.
(70.0 - 30.0 )℃ = 40.0℃ : 20.0℃ slope / 1 minute.
SP value is changed from 30.0℃ to70.0℃ gradually per 2 minutes.
FUZZY Operation
SLOPE Operation
TSP
SP
PV
2 MIN
SP change
40.0℃
70.0℃
30.0℃
20.0℃
PV
SP
External shock
PV
SP
External shock
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