Mr. Feng Rong Profile

Feng Rong

at Tianjin Univ

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Proceedings Article | 5 August 2009 Paper

Powerful conveyer belt real-time online detection system based on x-ray

Feng Rong, Chang-yun Miao, Wei Meng

Proceedings Volume 7385, 73850W (2009) https://doi.org/10.1117/12.835545

KEYWORDS: X-rays, X-ray detectors, Photodiodes, X-ray sources, Amplifiers, Field programmable gate arrays, Sensors, Interference (communication), Safety, Detector arrays

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The powerful conveyer belt is widely used in the mine, dock, and so on. After used for a long time, internal steel rope of the conveyor belt may fracture, rust, joints moving, and so on .This would bring potential safety problems. A kind of detection system based on x-ray is designed in this paper. Linear array detector (LDA) is used. LDA cost is low, response fast; technology mature .Output charge of LDA is transformed into differential voltage signal by amplifier. This kind of signal have great ability of anti-noise, is suitable for long-distance transmission. The processor is FPGA. A IP core control 4-channel A/D convertor, achieve parallel output data collection. Soft-core processor MicroBlaze which process tcp/ip protocol is embedded in FPGA. Sampling data are transferred to a computer via Ethernet. In order to improve the image quality, algorithm of getting rid of noise from the measurement result and taking gain normalization for pixel value is studied and designed. Experiments show that this system work well, can real-time online detect conveyor belt of width of 2.0m and speed of 5 m/s, does not affect the production. Image is clear, visual and can easily judge the situation of conveyor belt.

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