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Estimation of Residence Time in Continuous Flow Systems with Varying Flow and Volume
Linköping University, Department of Medical and Health Sciences, Radiology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1993 (English)Report (Other academic)
Abstract [en]

A method for estimation of residence time in continuous flow vessels with variable flow and volume is presented. By resampling, i.e., choosing time instants different from the given sampling instants, and interpolation of measured data points, we obtain a continuous flow system with constant residence time expressed in the new resampled time vector, assuming the flow patterns in the vessels and tanks are invariant. The new data set is then used for identification of parameters in a chosen model structure. From the identified model the residence time is easily calculated and a procedure for that is briefly described. The presented method is easily extended to enable use in recursive identification but then as an improvement of tracking ability of an ordinary recursive routine.

Place, publisher, year, edition, pages
Linköping: Linköping University , 1993. , 9 p.
LiTH-ISY-R, ISSN 1400-3902 ; 1460:93
Keyword [en]
System identification, Residence time estimation, Time-varying systems, Variable flow and/or volume, Continuous flow systems, Recursive identification
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55587ISRN: LiTH-ISY-R-1460:93OAI: diva2:316329
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-08-01Bibliographically approved

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Andersson, Torbjörn
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RadiologyFaculty of Health SciencesAutomatic ControlThe Institute of Technology
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ReferencesLink to record
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