التحكم الآلي في التصنيع الغذائي نظري
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אאאאאאאאאאאK
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אאאK ٥}٥אאFeedforward controlW
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אאאאKאאאאאאאאK
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אאK אאאאאא
אKאאאאאאאאאא
אאאאאאאK אאאאאאא
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- ٧٦ -
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אאW ١K אאאאK ٢K אאא ٣K אאאאK ٤K אאאאK
אאאאP , PI , PIDא
אKאאאאאאאאK ٥K א٥}٣אא،
אאאאאא
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- ٧٧ -
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אאW ٥}٤אאKאאאאאא
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אאאאאאאאאאK אאאאאאאאאאW
WWZאkg/h
CpZאאאkJ/kg K TiZאאאאC T0ZאאאC FZאkg/h HZאאאאkJ/kg
( ) HFTTWC ip ∆=−0
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- ٧٨ -
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אאאW ( )H
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c = G1 (p) m + G2 (p) d אאאאW
א ٢٥٥ אא אאאאאאאא אא
אא
- ٨٠ -
)()(
1
2
pGdpGcm −
=
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)()(
1
2
pGdpGrm −
=
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אאאdcG2(p)אאאאmאאcG1(p)Kאאאאא
אאK אאאא
KאאאאאאאאאאאK
٥}٧אאאאאCombined feedforward and feedback contro אאאאא
אאאאאKאאKאאאא
אאאאאאאK אאאא
אאKאאK ٥}٦אאאאאא٥}٤א
אאאאKא٥}٦אאאbiasאאאKKf
אW F = W Cp (Tsp-Ti)/ H +Kf
א ٢٥٥ אא אאאאאאאא אא
אא
- ٨١ -
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pointאאK
F٥}٦Eאאאאא
אא
א ٢٥٥
א אאאאא אא
אא
١ J אWאאFאאאאאE ٢ J אא،אWאאאK ٣ J KLאאWאאאאאK ٤ J אאאWאאK
٥ JLאאאWאאK ٦ JLאWאאFאאאאE
אאא
1-Kessler, H. G. (1981). Food Engineering and Dairy Technology, Veriag A. Kessler,
Germany
2-Besser, C.; Kupke, E. and Gniza, E. (1975). Industrial accident prevention technical 3-
fundamentals. The Dresden Central Institute for Industrial Safety and Protection.
4-Foda, Y. H. (1973). Quality Control and Sanitation for the Food Industry. (Arabic).
א ٢٥٥ אאא אאא א
א
א אאWאא١ J١٧ אאWאאא١٨ J٣٨ אאWא٣٩ J٤٨ אאאWאא٤٩ J٧٠
אאWא٧١א J٩٢ אאWאאא٩٣ J١٠٠
אאW١٠١ אW
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