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Sensors (Basel). 2012 Dec 6;12(12):16838-66. doi: 10.3390/s121216838.

Non-intrusive load monitoring approaches for disaggregated energy sensing: a survey.

Author information

1
Center for Communication Systems Research, University of Surrey, Guildford, GU2 7XH, UK. a.zoha@surrey.ac.uk

Abstract

Appliance Load Monitoring (ALM) is essential for energy management solutions, allowing them to obtain appliance-specific energy consumption statistics that can further be used to devise load scheduling strategies for optimal energy utilization. Fine-grained energy monitoring can be achieved by deploying smart power outlets on every device of interest; however it incurs extra hardware cost and installation complexity. Non-Intrusive Load Monitoring (NILM) is an attractive method for energy disaggregation, as it can discern devices from the aggregated data acquired from a single point of measurement. This paper provides a comprehensive overview of NILM system and its associated methods and techniques used for disaggregated energy sensing. We review the state-of-the art load signatures and disaggregation algorithms used for appliance recognition and highlight challenges and future research directions.

PMID:
23223081
PMCID:
PMC3571813
DOI:
10.3390/s121216838
[Indexed for MEDLINE]
Free PMC Article
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