Optimal control of a heating ventilation and air-conditioning system with ice-storage vessel in a commercial building

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dc.contributor.advisor Xia, Xiaohua en
dc.contributor.coadvisor Cheng, Qifeng en
dc.contributor.postgraduate Voigt, Juan-Dirk en
dc.date.accessioned 2016-07-29T11:02:14Z
dc.date.available 2016-07-29T11:02:14Z
dc.date.created 2016-04-15 en
dc.date.issued 2015 en
dc.description Dissertation (MEng)--University of Pretoria, 2015. en
dc.description.abstract Current research indicates that optimal control methods can be used to control heating ventilation and air-conditioning (HVAC) systems with ice-storage tanks installed in commercial buildings that employ a time-of-use billing structure. An optimal control model for the cooling cycle of the HVAC system with an ice-storage tank for a commercial building is proposed. This nonlinear optimisation problem can be solved by existing software packages. The results are compared with the existing conventional control strategy employed on the HVAC system under consideration. It is shown that the optimal control of the ice storage can realise a greater energy and demand cost saving compared to the conventional control strategy for different billing periods. The research will present a comparative benchmark for other thermal energy storage systems installed in commercial buildings. en
dc.description.abstract Huidige navorsing wys dat optimale beheermetodes aangewend kan word vir die beheer van n verhitting-, ventilasie- en lugversorgingstelsel met ysstoor, wat geïnstalleer is in n kommersiële gebou en waar die energieverbruik gemeet word volgens n tyd-van-verbruikelektrisiteittariefstruktuur. n Optimale beheermodel vir die verkoelingslassiklus van die lugversorgingstelsel met ysstoor in n kommersiële gebou word voorgestel. Die nie-liniêre optimaliseringprobleem kan deur middel van bestaande sagteware opgelos word. Die resultate van die model word vergelyk met die huidige konvensionele beheerstrategie wat toegepas word op die geëvalueerde lugversorgingstelsel. Daar word aangetoon dat optimale beheer groter aanvraag- en energiekostebesparing sal bewerkstellig in vergelyking met die konvensionele beheerstelsel vir die verskillende faktuur periodes. Die navorsing sal n vergelykende maatstaf bied vir soortgelyke stelsels met ysstore wat geïnstalleer is in kommersiële geboue en die verwagte kostebesparings. en
dc.description.availability Unrestricted en
dc.description.degree MEng en
dc.description.department Electrical, Electronic and Computer Engineering en
dc.description.librarian tm2016 en
dc.identifier.citation Voigt, J 2015, Optimal control of a heating ventilation and air-conditioning system with ice-storage vessel in a commercial building, MEng Dissertation, University of Pretoria, Pretoria, viewed yymmdd <http://hdl.handle.net/2263/56123> en
dc.identifier.other A2016 en
dc.identifier.uri http://hdl.handle.net/2263/56123
dc.language.iso en en
dc.publisher University of Pretoria en_ZA
dc.rights © 2016 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.
dc.subject UCTD en
dc.title Optimal control of a heating ventilation and air-conditioning system with ice-storage vessel in a commercial building en
dc.type Dissertation en


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