A Siamese CNN + KNN-Based Classification Framework for Non-intrusive Load Monitoring
- Federal University of Mato Grosso (Brazil)
- Univ. of Florida, Gainesville, FL (United States); Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Through the development of smart grids, programs such as demand side response, have been presented as auxiliary services to the real-time operation of distributed networks. In order to provide consumers information on their energy consumption, so that a modulation in consumption is possible, non-intrusive load monitoring has been introduced as an solution to this pattern recognition problem. Non-intrusive load monitoring enables the modeling of electrical loads connected to the low-voltage system, considering only a single measurement point. Presented state-of-the-art solutions though, consider availability of data as well as representation of all possible classes of the environment. This is of course a most conservative hypothesis, since in real-life applications availability of such data is much difficult, as well as the dynamic behavior of models is implicitly evolving in time. Here, a framework that uses neural Siamese networks with k-nearest neighbor clustering is presented toward non-intrusive load monitoring. Online learning feature is implemented, which relaxes the hypothesis of data requirements as well addresses the evolving nature of load profile. k-nearest clustering allows nonlinear characteristic space modelling. Test results using synthetics and real-life data show that the solution, besides obtaining a good generalizability in the classification, also obtained results with an accuracy of 95.77%.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE; National Council for Scientific and Technological Development (CNPq)
- Grant/Contract Number:
- AC05-76RL01830; 409687/2018–9
- OSTI ID:
- 1972322
- Report Number(s):
- PNNL-SA-184783
- Journal Information:
- Journal of Control, Automation and Electrical Systems, Vol. 34, Issue 4; ISSN 2195-3880
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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