Data Treatment and Analysis for On-Line Dynamic Process Optimization

نویسندگان

  • Nina Paula G. Salau
  • Giovani Tonel
  • Jorge O. Trierweiler
  • Argimiro R. Secchi
چکیده

The filters tuning is a crucial issue due the need to quantify the accuracy of the model in terms of the process noise covariance matrix for process characterized by structural uncertainties which are time-varying. Thus, approaches to time-varying covariances were studied and included to a traditional EKF and an optimization-based state estimators constrained EKF (CEKF) formulations. The results for these approaches have shown a significant improvement in filters performance. Furthermore, the performance of these estimators as a transient data reconciliation technique has been appraised and the results have shown the CEKF suitability for this proposes.

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تاریخ انتشار 2008