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An approach for assessing clustering of households by electricity usage

Dent, Ian; Craig, Tony; Aickelin, Uwe; Rodden, Tom

Authors

Ian Dent

Tony Craig

Uwe Aickelin uwe.aickelin@nottingham.ac.uk

TOM RODDEN TOM.RODDEN@NOTTINGHAM.AC.UK
Professor of Computer Science



Abstract

How a household varies their regular usage of electricity
is useful information for organisations to allow accurate
targeting of behaviour modification initiatives with the aim of improving the overall efficiency of the electricity network. The variability of regular activities in a household is one possible indication of that household’s willingness to accept incentives to change their behaviour.
An approach is presented for identifying a way of representing the variability of a household’s behaviour and developing an efficient way of clustering the households, using these measures of variability, into a few, usable groupings.
To evaluate the effectiveness of the variability measures, a
number of cluster validity indexes are explored with regard to how the indexes vary with the number of clusters, the number of attributes, and the quality of the attributes. The Cluster Dispersion Indicator (CDI) and the Davies-Boulden Indicator(DBI) are selected for future work developing various indicators of household behaviour variability.
The approach is tested using data from 180 UK households
monitored for over a year at a sampling interval of 5 minutes.Data is taken from the evening peak electricity usage period of 4pm to 8pm.

Citation

Dent, I., Craig, T., Aickelin, U., & Rodden, T. An approach for assessing clustering of households by electricity usage

Conference Name UKCI 2012, the 12th Annual Workshop on Computational Intelligence
End Date Sep 7, 2012
Deposit Date Jun 24, 2013
Peer Reviewed Peer Reviewed
Public URL http://eprints.nottingham.ac.uk/id/eprint/2033
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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