JaLCDOI 10.18926/15556
FullText URL Mem_Sch_Eng_OU_1_116.pdf
Author Takamatsu Takeichiro| Sayama Hayatoshi|
Abstract The identification or model building of system is the important problem for the dynamic optimization of chemical plant and it is desired that this mathematical model can be determined as quickly and as exactly as possible from experimental or operating data. Recently the identification of linear system has been studied, but there have been few papers on nonlinear systems. Especially, no approaches can be found to identify effectively a chemical reaction process which is a nonlinear and nonisothermal system. Except for the case in which the linearized model is enough to represent the approximate dynamic behaviour of the plant, system should be directly represented by nonlinear mathematical model in general. In this paper, the gradient method was applied to identify a nonlinear system. In this method, the parameters to be chosen optimally are regarded as timeinvariant control variables and they are numerically determined by using a high speed digital computer (KDC-I). As a numerical example, we choose a continuous stirred tank reactor with the first order exothermic reaction and show the procedure to determine the three parameters, that is, the order of reaction, the values of activation energy and frequency factor. It should be emphasized that this approach makes it possible to construct the mathematical model of nonisothermal chemical reaction processes only from input and output data.
Publication Title Memoirs of the School of Engineering, Okayama University
Published Date 1966-03-31
Volume volume1
Issue issue1
Start Page 116
End Page 119
ISSN 0475-0071
language 英語
File Version publisher
NAID 120002307194