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dc.contributor.authorMa, Zhenjun
dc.contributor.authorYan, Rui
dc.contributor.authorLi, Kehua
dc.contributor.authorNord, Natasa
dc.date.accessioned2019-02-15T09:38:30Z
dc.date.available2019-02-15T09:38:30Z
dc.date.created2018-11-13T15:31:06Z
dc.date.issued2018
dc.identifier.citationEnergy and Buildings. 2018, 166 284-295.nb_NO
dc.identifier.issn0378-7788
dc.identifier.urihttp://hdl.handle.net/11250/2585641
dc.description.abstractThis paper presents the development of a symbolic transformation based strategy with interpretability and visualisation for building energy performance assessment. The strategy was developed using shape definition language based symbolic transformation and hierarchical clustering. Advanced visualisation techniques including dendrogram, heatmap and calendar view were used to assist in understanding building energy usage behaviours. A comparison of this proposed strategy with a Symbolic Aggregate approXimation (SAX) based strategy was also performed. The performance of the proposed strategy was tested and evaluated using the three-year hourly heating energy and electricity usage data of a higher education building. The result demonstrated that the proposed strategy can identify distinct building energy usage behaviours. The visualisation techniques used also assisted the information discovery process. The discovered information helped to understand building energy usage patterns. The comparison of the proposed strategy with the SAX based strategy showed that the proposed strategy outperformed the SAX based strategy for the case building tested in terms of the variations in building energy usage. This proposed strategy can also be potentially used to evaluate the operational performance of building heating, ventilation and air-conditioning (HVAC) systems.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.titleBuilding energy performance assessment using volatility change based symbolic transformation and hierarchical clusteringnb_NO
dc.title.alternativeBuilding energy performance assessment using volatility change based symbolic transformation and hierarchical clusteringnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber284-295nb_NO
dc.source.volume166nb_NO
dc.source.journalEnergy and Buildingsnb_NO
dc.identifier.doi10.1016/j.enbuild.2018.02.015
dc.identifier.cristin1630094
dc.description.localcode© 2018. This is the authors’ accepted and refereed manuscript to the article. Locked until 14.2.2020 due to copyright restrictions. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/nb_NO
cristin.unitcode194,64,25,0
cristin.unitnameInstitutt for energi- og prosessteknikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
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