{"title":"导电板上方圆柱形线圈与矩形线圈测量灵敏度比较","authors":"Siquan Zhang, Jiangfeng Tang, Weihua Wu","doi":"10.1109/ICMA.2015.7237490","DOIUrl":null,"url":null,"abstract":"Eddy current testing is an important non-destructive testing method in defect detection and material evaluation of conductor. In testing of multi-layer moving conductive plates, the excitation coil is cylindrical and parallel to the conductor, the cylindrical and rectangular coils are placed near the excitation coil serving as pick-up coil respectively. The accurate theoretical expressions of the induced voltage' variation of the pick-up coils are derived, and the coils' sensitivity in varied excitation frequency, conductor thickness and moving speed of conductor are compared, the results are verified with the method of FEM.","PeriodicalId":286366,"journal":{"name":"2015 IEEE International Conference on Mechatronics and Automation (ICMA)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Measurement sensitivity comparison between cylindrical and rectangular coils above conductive plates\",\"authors\":\"Siquan Zhang, Jiangfeng Tang, Weihua Wu\",\"doi\":\"10.1109/ICMA.2015.7237490\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Eddy current testing is an important non-destructive testing method in defect detection and material evaluation of conductor. In testing of multi-layer moving conductive plates, the excitation coil is cylindrical and parallel to the conductor, the cylindrical and rectangular coils are placed near the excitation coil serving as pick-up coil respectively. The accurate theoretical expressions of the induced voltage' variation of the pick-up coils are derived, and the coils' sensitivity in varied excitation frequency, conductor thickness and moving speed of conductor are compared, the results are verified with the method of FEM.\",\"PeriodicalId\":286366,\"journal\":{\"name\":\"2015 IEEE International Conference on Mechatronics and Automation (ICMA)\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-09-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE International Conference on Mechatronics and Automation (ICMA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICMA.2015.7237490\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE International Conference on Mechatronics and Automation (ICMA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMA.2015.7237490","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Measurement sensitivity comparison between cylindrical and rectangular coils above conductive plates
Eddy current testing is an important non-destructive testing method in defect detection and material evaluation of conductor. In testing of multi-layer moving conductive plates, the excitation coil is cylindrical and parallel to the conductor, the cylindrical and rectangular coils are placed near the excitation coil serving as pick-up coil respectively. The accurate theoretical expressions of the induced voltage' variation of the pick-up coils are derived, and the coils' sensitivity in varied excitation frequency, conductor thickness and moving speed of conductor are compared, the results are verified with the method of FEM.
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