Application of model based predictive control for water-based floor heating in low energy residential buildings

被引：78

作者：

Karlsson, Henrik ^{[1
]}

Hagentoft, Carl-Eric ^{[1
]}

机构：

[1] Chalmers, Dept Bldg & Environm Engn, SE-41296 Gothenburg, Sweden

来源：

BUILDING AND ENVIRONMENT | 2011年 / 46卷 / 03期

关键词：

Floor heating; Predictive control; Low temperature heating; Optimisation;

D O I：

10.1016/j.buildenv.2010.08.014

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A model based predictive control method is applied in order to determine the optimal supply fluid temperature in the case of concrete embedded water-based floor heating in low energy residential buildings The aim of the control is to keep the indoor temperature within a defined comfort interval The forthcoming supply fluid temperature is obtained through a numerical optimisation based on a prediction of the upcoming heat demand The elementary response function which is the basis for the method is obtained from a numerical control volume model and as an alternative from a simplified 2-node lumped model The accuracy of the results obtained from the simplified model is surprisingly good in comparison to the detailed numerical model The control method is applied for a single room for which a perfect prognosis of the heat demand exists The results show a fairly steady optimised supply fluid temperature (C) 2010 Published by Elsevier Ltd

引用

页码：556 / 569

页数：14

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