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Field Sensing Characteristic Research of Carbon Fiber Smart Material 被引量:1

Field Sensing Characteristic Research of Carbon Fiber Smart Material
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摘要 In order to research the field sensing characteristic of the carbon fiber smart material, the Tikhonov regularization principle and the modified Newton-Raphson(MNR) algorithm were adopted to solve the inverse problem of the electrical resistance tomography(ERT). An ERT system of carbon fiber smart material was developed. Field sensing characteristic was researched with the experiment. The experimental results show that the specific resistance distribution of carbon fiber smart material is highly consistent with the distribution of structural strain. High resistance zone responds to high strain area, and the specific resistance distribution of carbon fiber smart material reflects the distribution of sample strain in covering area. Monitoring by carbon fiber smart material on complicated strain status in sample field domain is realized through theoretical and experimental study. In order to research the field sensing characteristic of the carbon fiber smart material, the Tikhonov regularization principle and the modified Newton-Raphson(MNR) algorithm were adopted to solve the inverse problem of the electrical resistance tomography(ERT). An ERT system of carbon fiber smart material was developed. Field sensing characteristic was researched with the experiment. The experimental results show that the specific resistance distribution of carbon fiber smart material is highly consistent with the distribution of structural strain. High resistance zone responds to high strain area, and the specific resistance distribution of carbon fiber smart material reflects the distribution of sample strain in covering area. Monitoring by carbon fiber smart material on complicated strain status in sample field domain is realized through theoretical and experimental study.
机构地区 School of Science
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2015年第5期914-917,共4页 武汉理工大学学报(材料科学英文版)
基金 Funded by the National High-tech Research and Development Program of China(863 Program)(No.2013AA031306)
关键词 carbon fiber smart material field sensing characteristic PIEZORESISTIVITY image reconstruction electrical resistance tomography carbon fiber smart material field sensing characteristic piezoresistivity image reconstruction electrical resistance tomography
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