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Comprehensive compensation for temperature drift of eddy current thickness sensor

  • 2013-09-22
  • 254.98KB
  • Points it Requires : 1

LI Juan QU Yunqing LIU Huanping (Department of machinery and Electronics,Shijiazhuang Vocational Technology Institute,Shijiazhuang 050081 China) Abstract: The basic principle of steel plate thickness measuring method based on eddy current is introduced.Depending on the analyse on primary factor of temperature shift,mathematical model of detecting winding is set up,a double differential action compositive compensation scheme is given. Compensation require is achieved indicating by experiment result.Keywords: eddy current; thickness measuring; temperature drift; compositive compensation;differential action

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