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author:

Zhao, C. (Zhao, C..) [1] | Vu, Q.D. (Vu, Q.D..) [2] | Li, P. (Li, P..) [3]

Indexed by:

Scopus

Abstract:

A three-stage computation framework for solving parameter estimation problems for dynamic systems with multiple data profiles is developed. The dynamic parameter estimation problem is transformed into a nonlinear programming (NLP) problem by using collocation on finite elements. The model parameters to be estimated are treated in the upper stage by solving an NLP problem. The middle stage consists of multiple NLP problems nested in the upper stage, representing the data reconciliation step for each data profile. We use the quasi-sequential dynamic optimization approach to solve these problems. In the lower stage, the state variables and their gradients are evaluated through integrating the model equations. Since the second-order derivatives are not required in the computation framework this proposed method will be efficient for solving nonlinear dynamic parameter estimation problems. The computational results obtained on a parameter estimation problem for two CSTR models demonstrate the effectiveness of the proposed approach. © 2013 Korean Institute of Chemical Engineers, Seoul, Korea.

Keyword:

CSTR; Dynamic Parameter Estimation Problem; Multiple Data Sets; Nonlinear Programming; Quasi-sequential Dynamic Optimization

Community:

  • [ 1 ] [Zhao, C.]College of Chemistry and Chemical Engineering, FuZhou University, FuZhou, 350108, China
  • [ 2 ] [Vu, Q.D.]Simulation and Optimal Processes Group, Institute of Automation and Systems Engineering, Ilmenau University of Technology, P. O. Box 100565, 98693 Ilmenau, Germany
  • [ 3 ] [Li, P.]Simulation and Optimal Processes Group, Institute of Automation and Systems Engineering, Ilmenau University of Technology, P. O. Box 100565, 98693 Ilmenau, Germany

Reprint 's Address:

  • [Li, P.]Simulation and Optimal Processes Group, Institute of Automation and Systems Engineering, Ilmenau University of Technology, P. O. Box 100565, 98693 Ilmenau, Germany

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Source :

Korean Journal of Chemical Engineering

ISSN: 0256-1115

Year: 2013

Issue: 2

Volume: 30

Page: 269-277

1 . 2 4 1

JCR@2013

3 . 0 0 0

JCR@2023

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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