2018
DOI: 10.3390/en11051312
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Explorative Multidimensional Analysis for Energy Efficiency: DataViz versus Clustering Algorithms

Abstract: Abstract:We propose a simple tool to help the energy management of a large building stock defining clusters of buildings with the same function, setting alert thresholds for each cluster, and easily recognizing outliers. The objective is to enable a building management system to be used for detection of abnormal energy use. We start reviewing energy performance indicators, and how they feed into data visualization (DataViz) tools for a large building stock, especially for university campuses. After a brief pre… Show more

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Cited by 9 publications
(4 citation statements)
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“…Moreover, some papers present information with just one type of chart in which the time-scale and variables change, and these can be presented in isolation or as a composition. Some examples of graphs used in these papers are Sankey diagrams [62], heatmaps [66], radar charts [53], parallel coordinates [63,71], scatter plots [78], and sunbursts [75].…”
Section: Types Of Visualization Used In Relation To the Goal Of The A...mentioning
confidence: 99%
See 2 more Smart Citations
“…Moreover, some papers present information with just one type of chart in which the time-scale and variables change, and these can be presented in isolation or as a composition. Some examples of graphs used in these papers are Sankey diagrams [62], heatmaps [66], radar charts [53], parallel coordinates [63,71], scatter plots [78], and sunbursts [75].…”
Section: Types Of Visualization Used In Relation To the Goal Of The A...mentioning
confidence: 99%
“…Scatter plots are used when different variables must be related to one or more objectives [2,10,55]. It offers the possibility to identify patterns [78] or separate clusters [71] in search of anomalies and allows for the analysis of design performance according to different alternatives [54]. Histograms have proven useful when comparing hourly and daily consumption [55,62,64], as well as weekly and monthly variations [44,47,60,61].…”
Section: Types Of Visualization Used In Relation To Performance Indic...mentioning
confidence: 99%
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“…Therefore, the development of efficient, robust and reliable control management system is crucial in order to achieve the goals in terms of buildings primary energy reduction. In this framework, Cottafava et al [186] proposed a novel tool to be used in the energy management of large building stocks, which is capable to detect anomalies due to abnormal energy use. Their approach is not based on complex thermodynamic dynamic simulations of the buildings and their HVAC systems.…”
Section: Building Efficiencymentioning
confidence: 99%