边缘计算下的绝缘子缺陷小样本检测研究

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引用格式：，等.边缘计算下的绝缘子缺陷小样本检测研究[J].现代电子技术，2025，48（10）：76-84.

关键词：绝缘子缺陷；小样本检测；RT-DETR编码器；边缘计算；距离嵌入模块；路径聚合网络中图分类号：TN919.8-34；TP391.41 文献标识码：A 文章编号：1004-373X（2025）10-0076-09

Abstract：Inorder tosolvetheproblemsoflowprecisionand poorrobustnessof traditionaltargetdetectionalgorithms when detectingsmall-sampleinsulatordefetsontransmissionlines，andtorealizetheeficiencyofUAVpatrolinspection，anedge computing based featuredistacediferencesmal-sampleinsulatorself-explosion detectionalgorithm is proposed.TheRT-DETR encoderisimprovedbymeansofhighandlowfrequencyinformationfusion（AHiLo）and（hierarchicalscale-basedpath aggregationnetwork，HS-PAN）toextractlocalhighandlowfrequencyinformationof insulatorstrings.AdistancedierenceXgoal （DX）isintroduced toobtain theoptimal metricdistancebetweentheprototypeagentandthequeryfeatureinthemapping featurespace，soastorealizetheaccuratedetectionofsmall-sampleinsulatorself-destruction.Theexperimentalresultsshow thattheimproved modelcanrealizeadetectionacuracyof 86.4%usingonly15Osampleson thePCside，with a parameter count of 2.06×107 ，and adetection speed of 66.1f/s，which meets the requirements of smal-sample detection.In comparison with othermainstreamalgorithms，theimprovedalgorithmcanshowahighlevelof detectionaccuracyandreal-timeperformance.

Keywords：insulator defect;small-sampledetection;RT-DETRcoder;edgecomputing;DX module;pathaggregation network

0 引言

《2022年全国电力可靠性年度报告》中指出，在 220kV 及以上架空线路的非计划停运原因中，导线、绝缘子和金具位列前三，其中绝缘子引起非计划停运49次，引起非计划停运时间为 1 287.05h 。（剩余10005字）