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Intell."],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:p> Conventional pattern recognition methods employed for differentiating the types of insulation defects in power cables usually rely on the manual extraction of partial discharge features, which is inefficient and easily affected by subjective uncertainty. This work addresses this problem by proposing a new framework based on the automatic features extraction of partial discharge signal. The method first applies a sliding time window to convert partial discharge signals in the time domain into two-dimensional images that serve directly as the input to the convolutional neural networks (CNNs). Then a nonlinear encoder is employed to automatically extract the features of the partial discharge image data as the input of CNNs for classification. In addition, we address the overfitting problem associated with the few-shot by applying a deep convolutional generative adversarial network (DCGAN) to augment the original training dataset. Experimental results demonstrate the validity of the proposed algorithm; it increases the classification accuracy by 4.18% relative to that achieved with manually extracted features; the overall accuracy of the proposed algorithm training with the augmented dataset is 3.175% higher than that with the original experimental dataset. <\/jats:p>","DOI":"10.1142\/s021800142150035x","type":"journal-article","created":{"date-parts":[[2021,10,15]],"date-time":"2021-10-15T15:08:33Z","timestamp":1634310513000},"source":"Crossref","is-referenced-by-count":3,"title":["Improving the Classification Rate of Insulation Defects in Power Cables by Automatic Features Extraction and Sample Augmentation of Partial Discharge Signal"],"prefix":"10.1142","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2318-2794","authenticated-orcid":false,"given":"Kang","family":"Sun","sequence":"first","affiliation":[{"name":"School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo, Henan 454000, P.\u00a0R.\u00a0China"}]},{"given":"Xuyang","family":"Xuan","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo, Henan 454000, P.\u00a0R.\u00a0China"}]},{"given":"Laijun","family":"Zhao","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo, Henan 454000, P.\u00a0R.\u00a0China"}]},{"given":"Jie","family":"Long","sequence":"additional","affiliation":[{"name":"Jiaozuo Power Supply Company, State Grid Henan Electric Power Company, Jiaozuo, Henan 454000, P.\u00a0R.\u00a0China"}]}],"member":"219","published-online":{"date-parts":[[2021,10,15]]},"reference":[{"key":"S021800142150035XBIB001","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2020.2971319"},{"key":"S021800142150035XBIB002","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2017.2691769"},{"key":"S021800142150035XBIB003","doi-asserted-by":"publisher","DOI":"10.1021\/acs.molpharmaceut.9b00500"},{"key":"S021800142150035XBIB004","doi-asserted-by":"publisher","DOI":"10.1109\/COASE.2018.8560528"},{"key":"S021800142150035XBIB005","doi-asserted-by":"publisher","DOI":"10.1142\/S0218001417590091"},{"key":"S021800142150035XBIB006","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2015.2439281"},{"key":"S021800142150035XBIB007","doi-asserted-by":"publisher","DOI":"10.1109\/TPWRD.2019.2910583"},{"key":"S021800142150035XBIB008","doi-asserted-by":"publisher","DOI":"10.3390\/en13205496"},{"key":"S021800142150035XBIB009","first-page":"2672","volume-title":"Advances in Neural Information Processing Systems","volume":"27","author":"Goodfellow I.","year":"2014"},{"key":"S021800142150035XBIB010","doi-asserted-by":"publisher","DOI":"10.1002\/rob.21918"},{"key":"S021800142150035XBIB011","doi-asserted-by":"publisher","DOI":"10.1007\/s42835-019-00115-y"},{"key":"S021800142150035XBIB012","doi-asserted-by":"publisher","DOI":"10.1109\/TDEI.2015.7076809"},{"key":"S021800142150035XBIB013","doi-asserted-by":"publisher","DOI":"10.3390\/s18103512"},{"key":"S021800142150035XBIB014","doi-asserted-by":"publisher","DOI":"10.3390\/en13174566"},{"key":"S021800142150035XBIB015","doi-asserted-by":"publisher","DOI":"10.1016\/j.neucom.2020.05.050"},{"key":"S021800142150035XBIB016","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2015.2505283"},{"issue":"4","key":"S021800142150035XBIB017","first-page":"684","volume":"54","author":"Liu K.","year":"2020","journal-title":"J. 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