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Nonlinear Static Composition Estimator for Distillation Columns Using Open Equation-Based Nonlinear Programming
Korean Journal of Chemical Engineering, November 1998, 15(6), 667-670(4), 10.1007/BF02698996
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Abstract
In distillation column control, secondary measurements such as temperatures and flows are widely used to infer product composition. This paper addressed the development of nonlinear static estimators using secondary measurements for estimating product compositions of distillation columns. An open equation-based optimization problem, which minimizes the differences between the measured outputs and the estimated outputs, has been formulated and solved by using the nonlinear program (NLP) solver, MINOS5. It is shown that the proposed nonlinear estimator is robust and more powerful than the conventional PLS (Partial-Least-Squares) estimator.
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Brooke A, Kendrick D, Meeraus A, "GAMS: A User's Guide," Boyd & Fraser Publishing Company (1992)
Geladi P, Kowalski BR, Anal. Chim. Acta, 185(3), 1 (1986)
Weber R, Brosilow CB, AIChE J., 18(3), 614 (1972)
Joseph B, Brosilow CB, AIChE J., 24(3), 485 (1978)
Kresta JV, Marlin TE, Macgregor JF, Comput. Chem. Eng., 18(7), 597 (1994)
Lee WK, Kim KE, Korean J. Chem. Eng., 1(1), 27 (1984)
Lee KS, Kim TY, Yoo KP, Lee WH, HWAHAK KONGHAK, 27(3), 252 (1989)
Lorber A, Wangen LE, Kowalski BR, J. Chemometrics, 1, 19 (1987)
Mejdell T, Skogestad S, Ind. Eng. Chem. Res., 30, 2543 (1991)
Montgomery DC, Peck EA, "Introduction to Linear Regression Analysis," John Wiley & Sons, Inc., New York (1992)
Piovoso MJ, Kosanovich KA, Int. J. Control, 59(3), 743 (1994)
Shin J, Lee M, Park S, AIChE Symp. Ser., 93(316), 288 (1997)
Shin J, Lee M, Park S, "Design of a Composition Estimator for Inferential Control of Distillation Columns," Chem. Eng. Commun., in press (1998)
