Automated Continuous Process Control Part 1 pps
Automated Continuous Process Control Part 1 pps
... / 17 6 8-3 Summary / 17 9 References / 17 9 9 MULTIVARIABLE PROCESS CONTROL 18 0 9 -1 Pairing Controlled and Manipulated Variables / 18 1 9 -1. 1 Obtaining Process Gains and Relative Gains / 18 6 9 -1. 2 ... Feedforward Control / 8 1- 6 Summary / 9 2 PROCESS CHARACTERISTICS 11 2 -1 Process and Importance of Process Characteristics / 11 2-2 Types of Processes / 13...
Ngày tải lên: 06/08/2014, 02:20
Automated Continuous Process Control Part 3 ppsx
... CU PPI > Gs Ms Es K s K s s CC I C I I () = () () =+ Ê Ë ˆ ¯ = + 1 11 t t t mt m K et K et dt CCI R () =+ () + () Ú t mt m et et dt I R () =+ () + () Ú 10 0 10 0 PB PB t mt m et et dt I () =+ () + () Ú 10 0 10 0 PB PB t t t I R I = 1 TYPES OF FEEDBACK CONTROLLERS ... 10 0 75 10 0 50 50 25 25 0 0 200% PB 10 0% PB 50% PB 25% PB % controlled variable % controller output Contr...
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Automated Continuous Process Control Part 5 pps
... C 0–50 C 10 0 C 50 C 25 C DCS Figure 5 -1. 1 Tank with three temperature transmitters. 1 T1 01= AIN (1, 50 ,10 0) ; reads in T1 01 2 T102=AIN(2,25,50) ; reads in T102 3 T103=AIN(3,0,50) ; reads in T103 4 ... TAVG=(T1 01+ T102+T103)/3 ; calculates avera g e Figure 5 -1. 2 Program to read in temperatures, in engineering units, and calculate average temperature. 1 T1 01= AIN (1) ; read...
Ngày tải lên: 06/08/2014, 02:20
Automated Continuous Process Control Part 11 ppsx
... DDDcDGGmGGm VV2 21 2 22 1 1 21 1 =+ DDDcDGGmGGm VV1 12 1 11 2 2 12 2 =+ D D c m m 1 2 1 0= DECOUPLING 19 5 G 11 G 12 G 22 G 21 c 1 c 2 1 m m 2 G C2 G C1 c set 1 c set 2 G V 1 G V 2 Controller Process Decoupler D 21 D 12 + - - + Figure ... . l gg t t t tt tt tt t t o oo oo o o 22 12 21 11 22 11 22 1 283 1 014 0 0675 0 463 0 319 0 7 71 2 11 22...
Ngày tải lên: 06/08/2014, 02:20
Automated Continuous Process Control Part 12 pps
... 58 master controller, 63 multivariable process control, 18 0 decoupling, 19 4 pairing, 18 1 stability, 19 1 tuning, 19 2 measurement, 3 noise, 33 offset, 41 process, 11 characteristics, 11 dead time, 21 first-order, ... 90 feedforward control, 8, 14 2 dynamic, 15 3 steady-state, 15 3 final control element, 2 forcing function, 14 215 INDEX index.qxd 7/3/2003 8:04 PM Page...
Ngày tải lên: 06/08/2014, 02:20
Automated Continuous Process Control Part 2 potx
... jacket Os Is K s Ke s i i n ts o () () = + () ª + = - ’ t t 1 1 1 Os Is K s Ke ss i i n ts o () () = + () ª + () + () = - ’ t tt 1 11 1 12 Ts Ts K ssss i 44 12 34 11 11 () () = + () + () + () + () tt tt Ts Ts K sss i 33 12 3 11 1 () () = + () + () + () tt ... sec Tt J i () Tt J () Tt M () TT 14 ct() Tt R () Tt J i () Tt J () 30 35 40 45 45 50 55 60 Tt M () ct() 10 0 11 0 1...
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Automated Continuous Process Control Part 4 pdf
... ££ t t ttt t ID o t 11 1 1 2 2 == - , tt I 1 1 = K K K t C o 1 1 10 4 2 11 10 7 2 1 01 = Ê Ë ˆ ¯ Ê Ë ˆ ¯ Ê Ë ˆ ¯ - . t t t K K K t C o 1 1 075 2 11 10 7 2 1 01 = Ê Ë ˆ ¯ Ê Ë ˆ ¯ Ê Ë ˆ ¯ - . t t t ttt t ID o t 11 1 1 2 2 == - , tt I 1 1 = K KK KK t C C C 1 2 2 1 117 1 2 1 0 1 114 2 1 01 = + Ê Ë Á ˆ ¯ ˜ Ê Ë ˆ ¯ Ê Ë ˆ ¯ - . ... ££ t t ttt t ID o t 11...
Ngày tải lên: 06/08/2014, 02:20
Automated Continuous Process Control Part 6 doc
... selector, HS16. The valve position controller, VPC16, controls the valve posi- 94 RATIO, OVERRIDE, AND SELECTIVE CONTROL TC 14 TT 12 FC 11 FT 11 vp Fuel Air TC 12 TC 13 TC 15 TT 13 TT 14 TT 15 DPT 16 DPC 16 Recycle Hot ... about designing control schemes. To obtain maximum benefit from this section, we DESIGNING CONTROL SYSTEMS 95 TC 14 TT 12 FC 11 FT 11...
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Automated Continuous Process Control Part 7 pptx
... emergency develops and 12 0 RATIO, OVERRIDE, AND SELECTIVE CONTROL ST 16 SC 16 PC 13 PT 13 PT 14 PC 14 PC 15 T -10 2 T -10 3 C -10 2 High-pressure reactor R -10 1 Low pressure vessel V -10 2 SP 510 psig SP 500 ... desired value. 12 4 RATIO, OVERRIDE, AND SELECTIVE CONTROL Fuel Air FC FT 11 FC 11 LT 11 LT 11 FO FT 10 Liquid water FT 12 Saturated vapor Saturated...
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Automated Continuous Process Control Part 8 pptx
... 43 1 0 8 0 32 sss G C ++++ () =. 900 420 43 1 0 8 0 32 sss G C ++++ () =. 1 0 016 50 1 313 011 01 0+ ()()() + () + () + () = . G sss C 10 0 0 10 0 00 10 - () - () ∞ = ∞ = ∞ %% . %TO 15 0 50 F TO 1F TO F 13 6 ... KT CU U = =11 9 28 7. % % . sec CO TO and 900 420 43 1 1 6 0 32 sss K C ++++ () =. H s = + 20 10 1 . 10 0 0 12 5 75 10 0 50 2 - () - () ∞ = ∞ = ∞ %%%TO F TO...
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