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2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)最新文献

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ICPECA 2021 Table of Contents ICPECA 2021目录
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/icpeca51329.2021.9362655
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引用次数: 0
Research on Comprehensive Error of Measurement Performance of DC Electronic Transformer 直流电子变压器测量性能综合误差研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362712
Hou Songxue, Xie Chensheng, Yang Qibing, Wang Shunchao, Tan Dan, Tang Tao
{"title":"Research on Comprehensive Error of Measurement Performance of DC Electronic Transformer","authors":"Hou Songxue, Xie Chensheng, Yang Qibing, Wang Shunchao, Tan Dan, Tang Tao","doi":"10.1109/ICPECA51329.2021.9362712","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362712","url":null,"abstract":"In this paper, with reference to the error synthesis method of traditional measurement system, the comprehensive error of electric energy measurement of DC electronic transformer was synthesized. The effects of CT/PT error, A/D quantization error and protocol quantization error of DC electronic transformer on electric energy measurement were studied. It was pointed out that the comprehensive error test of measurement performance of DC electronic transformer should be carried out, and the channels should cooperate with each other to reduce the comprehensive error. To verify the necessity of using synthetic error to evaluate the energy metering performance of DC electronic transformer, an experimental test was carried out on a 0. 2s DC electronic transformer before and after channel cooperation. The test results showeded that the existing test specifications and management procedures cannot guarantee the measurement performance of DC electronic transformers. For the merging units that meet the requirements of 0. 2S test specifications, the error of electric energy measurement may exceed 1% before channel coordination. After channel coordination, the error of electric energy measurement will be greatly reduced.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129108604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The vibration trend prediction of hydropower units based on wavelet threshold denoising and bi-directional long short-term memory network 基于小波阈值去噪和双向长短期记忆网络的水电机组振动趋势预测
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362702
Bi Yang, Zheng Bo, Zhang Yawu, Zhu Xi, Zhang Dongdong, Jiang Yalan
{"title":"The vibration trend prediction of hydropower units based on wavelet threshold denoising and bi-directional long short-term memory network","authors":"Bi Yang, Zheng Bo, Zhang Yawu, Zhu Xi, Zhang Dongdong, Jiang Yalan","doi":"10.1109/ICPECA51329.2021.9362702","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362702","url":null,"abstract":"The faults of hydropower units are usually reflected in the form of vibration. Therefore, the accurate prediction of vibration trend can improve the recognition of the operation state of hydropower unites, which provide strong support for condition-based maintenance. In this paper, a framework based on a fused metric for feature selection and the bi-directional long short-term memory network (BLSTM) is developed to obtain the multi-step trend prediction for hydropower units. Initially, the wavelet threshold denoising (WTD) method is used to eliminate the interference of strong background noise from the raw sensor data. Next, a fused metric based on Pearson and distance correlation coefficient is proposed to pick out suitable working condition variables to make the prediction model more stable. Ultimately, the BLSTM network is used to predict the trend of vibration. In order to evaluate the prediction performance of the model, the vibration monitoring data of a pumped storage hydropower station are collected for comparative experiments, which proves that the proposed method has good prediction ability and generalization ability, which is suitable for the trend prediction of vibration of hydropower units.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123874962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Visual Analysis of Public Opinion Based on Keywords 基于关键词的舆情可视化分析
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362632
Dongjiao Zhang, Qi Guo, Zenan Ning, Lei Zhang, F. Wan
{"title":"Visual Analysis of Public Opinion Based on Keywords","authors":"Dongjiao Zhang, Qi Guo, Zenan Ning, Lei Zhang, F. Wan","doi":"10.1109/ICPECA51329.2021.9362632","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362632","url":null,"abstract":"With the development of social media, the development of large-scale social media has become the main platform for public opinion today. Visual analysis of public opinion for keywords under specific conditions uses data mining technology, data cleaning technology and data visualization technology. Through keyword reviews and content mining under specific conditions, discrete data is denoised, cleaned, keyword events and geographic information of interest are extracted. Through the visual expression of the geographical distribution of the focus area, the tag cloud and the geographical map are combined to obtain the public opinion dynamics of keyword events, which opens up ideas for the visualization of public opinion analysis of keywords under specific conditions.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114616961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Modeling of Power Grid Information System Based on Knowledge Graph 基于知识图的电网信息系统建模研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362503
Jiangyi Hu, Shengchuan Zhao, Qing Nie
{"title":"Research on Modeling of Power Grid Information System Based on Knowledge Graph","authors":"Jiangyi Hu, Shengchuan Zhao, Qing Nie","doi":"10.1109/ICPECA51329.2021.9362503","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362503","url":null,"abstract":"The knowledge graph is a relatively general formal representation framework for semantic knowledge, with rich semantic expression and open interconnection capabilities. Aiming at the data model in the power grid field, the paper proposes a model diagnosis method based on the knowledge graph by treating the data model as an entity in the knowledge graph, combining semantic analysis technology and entity similarity calculation technology, the compliance of the data model and consistency for diagnosis. Research shows that this method can make fuller use of the data model’s relevant information and expand the thinking for traditional diagnosis methods.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"595 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116208420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Data Restoration Strategy in terms of Distribution Network Reliability 基于配电网可靠性的数据恢复策略
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362653
W. Tao, Liu Yuanhong, Liu Wei, Tan Yuanpeng, Z. Xiaofei, Cao Quanzhi, Yang Bo, Zhao Xueqian
{"title":"A Data Restoration Strategy in terms of Distribution Network Reliability","authors":"W. Tao, Liu Yuanhong, Liu Wei, Tan Yuanpeng, Z. Xiaofei, Cao Quanzhi, Yang Bo, Zhao Xueqian","doi":"10.1109/ICPECA51329.2021.9362653","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362653","url":null,"abstract":"In order to provide the solution for deficient diachronic data in the reliability of distribution network, a data restoration strategy is proposed on the basis of Cartesian product, time series analysis and multiple interpolation. The author conduct the empirical investigation for the reliability data of distribution network in a province in 2016 so as to verify the accuracy about the reliability analysis of distribution network through the proposed diachronic data restoration strategy and to provide the valuable research perspectives and methodologies for the study of reliability data of distribution network in future.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"198200 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116374294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A compact OAM antenna with high isolation based on half-mode SIW 基于半模SIW的高隔离紧凑OAM天线
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362638
Yan-jing Hu, Jun Hu, Qiyun Zhang, Tianzi Zhang, Wen Wu
{"title":"A compact OAM antenna with high isolation based on half-mode SIW","authors":"Yan-jing Hu, Jun Hu, Qiyun Zhang, Tianzi Zhang, Wen Wu","doi":"10.1109/ICPECA51329.2021.9362638","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362638","url":null,"abstract":"In this paper, a compact array design for generating vortex electromagnetic waves with orbital angular momenta is proposed. The proposed array has a high isolation between individual elements because of the decoupling based on a gap structure and separated half-mode SIW cavities. The orbital angular momentum antenna based on a uniform rotation array comprises four identical half-mode structures, which are halves of the mode TM110 of rectangular cavities with their side PEC walls approximated by series of metalized vias along the diagonal. These uniformly distributed metalized vias are located along with two waists of isosceles triangular cells. Apart from the merit of easy integration, the design is also of a wide bandwidth and great isolations, which is validated by the simulation and measurement results.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126252125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Target tracking Based on Improved KCF Algorithm 基于改进KCF算法的目标跟踪研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362641
Zhang Yingying, Zhang Jiangzhou, W. Shuai, Li Zhenxiao
{"title":"Research on Target tracking Based on Improved KCF Algorithm","authors":"Zhang Yingying, Zhang Jiangzhou, W. Shuai, Li Zhenxiao","doi":"10.1109/ICPECA51329.2021.9362641","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362641","url":null,"abstract":"Aiming at the problem of tracking instability caused by imperfect feature expression and variable scale, an improved KCF algorithm is proposed in this paper. Firstly, HOG and MB-LBP features are extracted to form H-L fusion feature, and Hue color features are extracted too. Then the output response values of extracted features are calculated respectively by position filter. Next, the fusion is carried out by linear weighting at the feature level, to obtain the target’s predicted location. And in the tracking process, the scale changes of targets are estimated and adaptively adjusted by the standard deviation of the feature matching corner points of the two frames before and after. Finally the difference of the adjacent two frames is judged by the corner matching condition, and the position filter is updated, to achieve better target tracking effect. The experiments on OTB-50 and OTB100 show that the algorithm not only improves the tracking accuracy by 8.3% and the success rate by 10.5%, achieves the real-time tracking effect.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126491232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Study on the uncertain chaotic synchronization control system with adaptive fuzzy sliding mode controller 基于自适应模糊滑模控制器的不确定混沌同步控制系统研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362594
Guanghui Chang, P. Su, Haisong Liu, Xuejiao Feng
{"title":"Study on the uncertain chaotic synchronization control system with adaptive fuzzy sliding mode controller","authors":"Guanghui Chang, P. Su, Haisong Liu, Xuejiao Feng","doi":"10.1109/ICPECA51329.2021.9362594","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362594","url":null,"abstract":"This paper studies the synchronization of a master-slave chaotic system with uncertainty and external interference. An adaptive fuzzy control method based sliding mode variable structure (SMVS) is proposed. On the basis of a fuzzy controller and a variable structure adaptive control law, and theoretically proved that the stability of the control system. The designed controller is not affected by unknown uncertainty and external interference, and has strong robustness. Through the simulation of the uncertain master-slave Duffing-Holmes system, the effectiveness of the designed control law is verified.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126399374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Research on Target Detection algorithm based on Deep Learning Technology 基于深度学习技术的目标检测算法研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362714
Bingzhen Li, Wenzhi Jiang, Jiaojiao Gu
{"title":"Research on Target Detection algorithm based on Deep Learning Technology","authors":"Bingzhen Li, Wenzhi Jiang, Jiaojiao Gu","doi":"10.1109/ICPECA51329.2021.9362714","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362714","url":null,"abstract":"This paper summarizes the research progress of target detection using convolution neural network in recent years. These studies not only cover the design of all kinds of convolution neural network target detection algorithms, but also provide a deeper perspective for the development of computer vision. On the basis of consulting the data, this paper focuses on the representative Faster-RCNN, YOLO V3 and SSD algorithms. By reviewing their predecessor algorithms, covering the current mainstream target detection algorithms, and analyzing the technologies they use, summarize and analyze their advantages and disadvantages. And in the last part, it points out the still existing problems in target detection and the development direction in the future.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126546002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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