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nonlinear-dynamic-data-reconciliation
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On-line nonlinear dynamic data reconciliation using Extended Kalman Filtering: Application to a distillation column and a CSTR
, Article Iranian Journal of Chemistry and Chemical Engineering ; Volume 28, Issue 3 , 2009 , Pages 1-14 ; 10219986 (ISSN) ; Mehrabani Zeinabad, A ; Bozorgmehry Boozarjomehry,R ; Sharif University of Technology
Abstract
Extended Kalman Filtering (EKF) is a nonlinear dynamic data reconciliation (NDDR) method. One of its main advantages is its suitability for on-line applications. This paper presents an on-line NDDR method using EKF. It is implemented for two case studies, temperature measurements of a distillation column and concentration measurements of a CSTR. In each time step, random numbers with zero mean and specified variance were added to simulated results by a random number generator. The generated data are transferred on-line to a developed data reconciliation software. The software performs NDDR on received data using EKF method. Comparison of data reconciliation results with simulated...