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research article

Incremental Global Parameter Estimation in Dynamical Systems

Michalik, Claas
•
Chachuat, Benoit  
•
Marquardt, Wolfgang
2009
Industrial & Engineering Chemistry Research

Estimating the parameters of a dynamical system based on measurements is an important task in industrial and scientific practice. Since a model's quality is directly linked to its parameter values, obtaining globally rather than locally optimal values is especially important in this context. In practice, however, local methods, are used almost exclusively. This is mainly due to the high computational cost of global dynamic parameter estimation, which limits its application to relatively small problems comprising no more than a few equations and parameters. In addition, there is still a lack of software packages that allow global parameter estimation in dynamical systems without expert knowledge. Therefore, we propose an efficient computational method for obtaining globally optimal parameter estimates of dynamical systems using well-established, user-friendly software packages. The method is based on the so-called incremental identification procedure, in combination with deterministic global optimization tools for nonlinear programs.

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Type
research article
DOI
10.1021/ie8015472
Web of Science ID

WOS:000266480500039

Author(s)
Michalik, Claas
Chachuat, Benoit  
Marquardt, Wolfgang
Date Issued

2009

Publisher

American Chemical Society

Published in
Industrial & Engineering Chemistry Research
Volume

48

Start page

5489

End page

5497

Subjects

Ordinary Differential-Equations

•

Numerical-Methods

•

Optimization

•

Identification

•

Design

•

Bootstrap

•

Algorithm

•

Kinetics

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LA  
Available on Infoscience
November 30, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/60177
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