An Identification Method Based on the Improved NLJ Algorithm and Its Application
The accurate model is the most important and basic condition for the application of advanced process control, but the conventional methods do not provide satisfactory results in the case of unstable processes. To effectively control these processes, a novel identification method （Model Parameters an...
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| Published in | Chinese journal of chemical engineering Vol. 15; no. 1; pp. 88 - 91 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.02.2007
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-9541 2210-321X |
| DOI | 10.1016/S1004-9541(07)60038-X |
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| Abstract | The accurate model is the most important and basic condition for the application of advanced process control, but the conventional methods do not provide satisfactory results in the case of unstable processes. To effectively control these processes, a novel identification method （Model Parameters and Initial States Identification simultaneously in closed loop --MPISI） is proposed. The model parameters and initial states of state equation can be simultaneously identified using this method. The results of simulation and application show that this method has the advantageous of disturbance-rejection and robustness. This method proposes a novel way for the optimization and the advanced control of the process systems. |
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| AbstractList | The accurate model is the most important and basic condition for the application of advanced process control, but the conventional methods do not provide satisfactory results in the case of unstable processes. To effectively control these processes, a novel identification method （Model Parameters and Initial States Identification simultaneously in closed loop --MPISI） is proposed. The model parameters and initial states of state equation can be simultaneously identified using this method. The results of simulation and application show that this method has the advantageous of disturbance-rejection and robustness. This method proposes a novel way for the optimization and the advanced control of the process systems. The accurate model is the most important and basic condition for the application of advanced process control, but the conventional methods do not provide satisfactory results in the case of unstable processes. To effectively control these processes, a novel identification method (Model Parameters and Initial States Identification simultaneously in closed loop -MPISI) is proposed. The model parameters and initial states of state equation can be simultaneously identified using this method. The results of simulation and application show that this method has the advantageous of disturbance-rejection and robustness. This method proposes a novel way for the optimization and the advanced control of the process systems. |
| Author | 姜景杰 甄新平 李全善 魏环 靳其兵 潘立登 |
| AuthorAffiliation | Automation Institute, Beijing University of Chemical Technology, Beijing 100029, China |
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| References_xml | – volume: 23 start-page: 654 issue: 6 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib12 article-title: “Development and application of robust IMC-PID control in vacuum distillation unit of refinery” publication-title: Chem. Ind. Eng. Progr. – volume: 31 start-page: 93 issue: 5 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib9 article-title: “Design of robust IMC-PID controller and its application to atmospheric and vacuum distillation unit” publication-title: J. Beijing, Univ. Chem. Technol. – volume: 9 start-page: 273 issue: 3 year: 2001 ident: 10.1016/S1004-9541(07)60038-X_bib1 article-title: “The IMC structure of multi-rate multivariable predictive control systems and an improved algorithm” publication-title: Chin. J. Chem. Eng. – volume: 35 start-page: 46 issue: 9 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib10 article-title: “Optimization of PID control loop in FCCU” publication-title: Petroleum Processing and Petrochemicals – start-page: 148 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib5 – volume: 12 start-page: 673 issue: 5 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib2 article-title: “Modified model for flexibility analysis in chemical engineering processes” publication-title: Chin. J. Chem. Eng. – volume: 10 start-page: 6 issue: 6 year: 2001 ident: 10.1016/S1004-9541(07)60038-X_bib11 article-title: “Advanced process control and optimum control in an atmosphere and vacuum distillation plant” publication-title: Automation in Petro-Chemical Industry – volume: 35 start-page: 56 issue: 2 year: 2004 ident: 10.1016/S1004-9541(07)60038-X_bib3 article-title: “Modified method of predicting parameters for the lumped kinetic model of fluid catalytic cracking” publication-title: Petroleum Processing and Petrochemicals – volume: 29 start-page: 526 issue: 6 year: 2000 ident: 10.1016/S1004-9541(07)60038-X_bib7 article-title: “A survey of development of internal model control” publication-title: Information and Control – volume: 21 start-page: 308 issue: 2 year: 1982 ident: 10.1016/S1004-9541(07)60038-X_bib8 article-title: “Internal model control, part 1: A unifying review and some new results” publication-title: Ind. Eng. Chem. Proc. Des. Dev. doi: 10.1021/i200017a016 – volume: 26 start-page: 59 issue: 2 year: 1999 ident: 10.1016/S1004-9541(07)60038-X_bib6 article-title: “Study of IMC based PID controller for a second order lag process with dead time” publication-title: J. Beijing Univ. Chem. Technol – start-page: 44 year: 2000 ident: 10.1016/S1004-9541(07)60038-X_bib4 |
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| Title | An Identification Method Based on the Improved NLJ Algorithm and Its Application |
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