A Method of Measuring the Wear Amount of Control Rod Guide Card Based on Image Recognition Technology
A technology of technical measurement and image recognition, applied in the direction of measuring devices, character and pattern recognition, instruments, etc., can solve the problems of complex structure, detection equipment size, heavy weight, etc., to improve efficiency and reliability, facilitate follow-up management, details many effects
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[0047] Below in conjunction with the embodiment shown in the accompanying drawings, the present invention is described in detail as follows:
[0048] A method for measuring the amount of wear of a control rod guide card based on image recognition technology, comprising the following steps,
[0049] (1) Calibrate the detection range; Figure 1a , 1b , 1c, the calibration detection position: E1, E2, E3, E4, B1, B2, B3, B4, D1, D2, D3, D4 hole positions, measuring dimensions R1, R2, L1, L2, W, D.
[0050] (2) Image acquisition; 1. Camera, the camera needs to choose an industrial camera with stable and reliable performance, and the resolution is required to reach 5 million pixels. The actual detection environment is in the nuclear power plant pressure vessel pool with underwater radiation, and it needs to be made waterproof and radiation-resistant. Therefore, the size of the camera is required to be small (the maximum diameter of the detection hole is 61mm), and the focal length ...
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