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Open AccessArticle

Automatic Implementation of a Self-Adaption Non-Intrusive Load Monitoring Method Based on the Convolutional Neural Network

by Xin Wu *, Dian Jiao and Yu Du
School of Electric and Electronic Engineering, North China Electric Power University, Changping District, Beijing 102206, China
*
Author to whom correspondence should be addressed.
Processes 2020, 8(6), 704; https://doi.org/10.3390/pr8060704
Received: 9 May 2020 / Revised: 28 May 2020 / Accepted: 14 June 2020 / Published: 18 June 2020
(This article belongs to the Special Issue Advanced Process Monitoring for Industry 4.0)
Non-intrusive load monitoring (NILM) is an effective way to achieve demand-side measurement and energy efficiency optimization. This paper studies a method of non-intrusive on-line load monitoring under a high-frequency mode of electric data acquisition, which enables the NILM to be automated and in real-time, including the short-term construction of a dynamic signature library and continuous on-line load identification. Firstly, in the short initial operation phase, load separation and category determination are carried out to construct the load waveform library of the monitoring user. Then, the continuous load monitoring phase begins. Based on the data of each user’s signature library, the decomposition waveforms are classified by convolutional neural network models that are constructed to be suitable for each signature library in order to realize load identification. The real-time power consumption status of the load can be obtained continuously. In this paper, the electricity data of actual users are collected and used to perform the experiments, which show that the proposed method can construct the load signature library adaptively for different users. Meanwhile, the classification of the convolutional neural network model based on a library constructed in actual operation ensures the real-time and accuracy of load monitoring. View Full-Text
Keywords: non-intrusive load monitoring; load identification; convolutional neural network non-intrusive load monitoring; load identification; convolutional neural network
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Wu, X.; Jiao, D.; Du, Y. Automatic Implementation of a Self-Adaption Non-Intrusive Load Monitoring Method Based on the Convolutional Neural Network. Processes 2020, 8, 704.

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