Quantitative Inspection of Remanence of Broken Wire Rope Based on Compressed Sensing
AbstractMost traditional strong magnetic inspection equipment has disadvantages such as big excitation devices, high weight, low detection precision, and inconvenient operation. This paper presents the design of a giant magneto-resistance (GMR) sensor array collection system. The remanence signal is collected to acquire two-dimensional magnetic flux leakage (MFL) data on the surface of wire ropes. Through the use of compressed sensing wavelet filtering (CSWF), the image expression of wire ropes MFL on the surface was obtained. Then this was taken as the input of the designed back propagation (BP) neural network to extract three kinds of MFL image geometry features and seven invariant moments of defect images. Good results were obtained. The experimental results show that nondestructive inspection through the use of remanence has higher accuracy and reliability compared with traditional inspection devices, along with smaller volume, lighter weight and higher precision. View Full-Text
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Zhang, J.; Tan, X. Quantitative Inspection of Remanence of Broken Wire Rope Based on Compressed Sensing. Sensors 2016, 16, 1366.
Zhang J, Tan X. Quantitative Inspection of Remanence of Broken Wire Rope Based on Compressed Sensing. Sensors. 2016; 16(9):1366.Chicago/Turabian Style
Zhang, Juwei; Tan, Xiaojiang. 2016. "Quantitative Inspection of Remanence of Broken Wire Rope Based on Compressed Sensing." Sensors 16, no. 9: 1366.
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