State and state of charge estimation for a latent heat storage

被引：26
|
作者：
Barz, Tilman [1 ]
Seliger, Dominik [1 ]
Marx, Klemens [1 ]
Sommer, Andreas [2 ]
Walter, Sebastian F. [2 ]
Bock, Hans Georg [2 ]
Koerkel, Stefan [3 ]
机构：
[1] AIT Austrian Inst Technol GmbH, Ctr Energy, Giefinggasse 2, A-1210 Vienna, Austria
[2] Heidelberg Univ, Interdisciplinary Ctr Sci Comp IWR, Neuenheimer Feld 205, D-69120 Heidelberg, Germany
[3] OTH Ostbayer Tech Hsch Regensburg, Fac Comp Sci & Math, Postfach 120327, D-93025 Regensburg, Germany
来源：
CONTROL ENGINEERING PRACTICE | 2018年 / 72卷
基金：
欧洲研究理事会;
关键词：
Latent heat thermal energy storage (LHTES); State of charge (SOC); Reduced model; Orthogonal collocation; Heat conduction in cylindrical shell; Nonlinear state observer; Kalman filter; THERMAL-ENERGY STORAGE; PHASE-CHANGE MATERIAL; OF-THE-ART; PERFORMANCE ENHANCEMENT TECHNIQUES; SYSTEMS; SOLIDIFICATION; POLYETHYLENE; SIMULATION; MODEL; PCM;
D O I：
10.1016/j.conengprac.2017.11.006
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：151 / 166
页数：16
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