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ON-LINE PROCESS IDENTIFICATION AND PID CONTROLLER AUTOTUNING
Korean Journal of Chemical Engineering, January 1999, 16(1), 45-55(11), 10.1007/BF02699004
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Abstract
We propose a new and simple on-line process identification method for the automatic tuning of the PID controller. It does not require a special type of test signal generators such as relay or P controller only if the signals are persistently exciting. That is, a user can choose arbitrary signal generators such as relay, a P controller, the controller itself, pulse signal and step signal generator because it needs only the measured process output and the controller output. It can incorporate nonlinearities due to actuator saturation or manual mode operation during identification work and shows a good robusness to measurement noises, nonlinearity of the process and disturbances. The proposed autotuner combined with the identification method and tuning rule using a model reduction shows good control properties compared with previous autotuning methods.
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Chen CL, AIChE J., 35, 2037 (1989)
Coughanowr DR, Koppel LB, "Process Systems Analysis and Control," McGraw-Hill, New York (1965)
Edgar TF, Heeb RC, Hougen JO, Comput. Chem. Eng., 5, 225 (1981)
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Harris SL, Mellichamp DA, AIChE J., 31, 484 (1985)
Jutan A, Rodriguez ES, Can. J. Chem. Eng., 62, 802 (1984)
Lee J, Sung SW, AIChE J., 39, 695 (1993)
Lee J, Cho W, Edgar TF, AIChE J., 36, 1891 (1990)
Lee J, Lee SD, Kwon YS, Park S, AIChE J., 39, 1093 (1993)
Lee J, AIChE J., 35, 329 (1989)
Levy EC, IRE Trans. Auto. Cont., AC-4, 37 (1959)
Li W, Eskinat E, Luyben WL, Ind. Eng. Chem. Res., 30, 1530 (1991)
Loh AP, Hang CC, Quek CK, Vasnani VU, Ind. Eng. Chem. Res., 32, 1102 (1993)
Matsubara M, IEEE Trans. Autom. Control, AC-19, 464 (1965)
Papadourakis A, Michael FD, Douglas MD, Ind. Eng. Chem. Res., 28, 546 (1989)
Payne PA, IEEE Trans. Autom. Control, AC-15, 480 (1970)
Rugh WJ, AIChE J., 33, 1738 (1987)
Sanathanan CK, Koerner J, IEEE Trans. Autom. Control, AC-8, 56 (1963)
Shen SH, Yu CC, AIChE J., 40(4), 627 (1994)
Sung SW, Lee IB, Ind. Eng. Chem. Res., 34(5), 1730 (1995)
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Sung SW, Park HI, Lee I, Yang DR, First Asian Control Conference, 1, 411 (1994)
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Whitefield AH, Int. J. Control, 43, 1413 (1986)
Yuwana M, Seborg DE, AIChE J., 28, 434 (1982)
