State and state of charge estimation for a latent heat storage

A nonlinear state observer is designed for a thermal energy storage with solid/liquid phase change material (PCM). Using a physical 2D dynamic model, the observer reconstructs transient spatial temperature fields inside the storage and estimates the stored energy and the state of charge. The observe...

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Hauptverfasser: Barz, Tilman (VerfasserIn) , Sommer, Andreas (VerfasserIn) , Walter, Sebastian F. (VerfasserIn) , Bock, Hans Georg (VerfasserIn) , Körkel, Stefan (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: March 2018
In: Control engineering practice
Year: 2018, Jahrgang: 72, Pages: 151-166
ISSN:1873-6939
DOI:10.1016/j.conengprac.2017.11.006
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1016/j.conengprac.2017.11.006
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0967066117302642
Volltext
Verfasserangaben:Tilman Barz, Dominik Seliger, Klemens Marx, Andreas Sommer, Sebastian F. Walter, Hans Georg Bock, Stefan Körkel

MARC

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520 |a A nonlinear state observer is designed for a thermal energy storage with solid/liquid phase change material (PCM). Using a physical 2D dynamic model, the observer reconstructs transient spatial temperature fields inside the storage and estimates the stored energy and the state of charge. The observer has been successfully tested with a lab-scale latent heat storage with a single pass tube bundle and the phase change material located in a shell around each tube. It turns out that the observer robustly tracks the real process data with as few as four internal PCM temperature sensors. 
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