Digital Eddy Current Detection Method Based on High-Speed Sampling with STM32
Xiong Cao,
Erlong Li,
Zilan Yuan
et al.
Abstract:The electromagnetic eddy current non-destructive testing system enables the non-destructive analysis of surface defect information on tested materials. Based on the principles of eddy current detection, this paper presents a digital eddy current detection method using high-speed sampling based on STM32. A differential eddy current coil is used as the detection probe, and the combination of a differential bridge and a differential amplifier circuit helps to reduce common-mode noise interference. The detection s… Show more
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