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PowerGAN Synthesizing Appliance Power Signatures Using Generative Adversarial Networks

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Document pages: 8 pages

Abstract: Non-intrusive load monitoring (NILM) allows users and energy providers togain insight into home appliance electricity consumption using only thebuilding s smart meter. Most current techniques for NILM are trained usingsignificant amounts of labeled appliances power data. The collection of suchdata is challenging, making data a major bottleneck in creating wellgeneralizing NILM solutions. To help mitigate the data limitations, we presentthe first truly synthetic appliance power signature generator. Our solution,PowerGAN, is based on conditional, progressively growing, 1-D Wassersteingenerative adversarial network (GAN). Using PowerGAN, we are able to synthesisetruly random and realistic appliance power data signatures. We evaluate thesamples generated by PowerGAN in a qualitative way as well as numerically byusing traditional GAN evaluation methods such as the Inception score.

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