Lecture18_2010

Lecture18_2010 - Case CaseStudy2 WoodBerryColumn reflux...

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ase Study 2 ood erry Column Case Study 2 Wood Berry Column reflux steam feed flow distillate bottoms
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I vs. MPC PI vs. MPC
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PC Tuning MPC Tuning
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Nonsquare MPC Pressure Control vapor vent •vent is both input/output coolant •more outputs than inputs •no setpoint for level reflux [] [] + Γ + + + Γ = = Δ 2 1 min 2 1 ) 1 ( ) ( ) | ( u k u k P k k P m vent vent u p ref y U(k) A A A A A A A min + ax max in min ) 1 ( u k u u ref ref ref A + + max max min min ) | 1 ( ) 1 ( L u k k L k u L u vent vent vent A A
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Nonsquare MPC Compressor Control discharge ore outputs than inputs (2,1) Motor Compressor more outputs than inputs (2,1) •no setpoint on pressure [] [] 2 1 2 1 ) 1 ( ) ( ) | ( k u k Q k k Q m motor u p ref y U(k) + Δ Γ + + + Γ = = Δ A A A A A A A min max ) | ( P k k P + A
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Lecture18_2010 - Case CaseStudy2 WoodBerryColumn reflux...

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