Abstract
This paper presents the possibilities of modern sensor technology enables measurements of non-electrical physical values by using advanced technology to automatic recognition of alphanumeric marking. Research focuses on analyzing the usefulness of modern sensor technology for special cases in industrial automation for the steel industry. Development of alphanumeric marking recognition system is described with the sensor elements implementation especially the optical scanner for surface differences recognition and the thermo camera surface temperatures recognition. The described research is specialized for various methods that can be used for alphanumeric marks recognizing instead of the standard industrial cameras usage. Verification and Recognition of alphanumeric marking with regard to the applicability in industrial applications for segments detection is very important for actual research orientation. DOI: http://dx.doi.org/10.5755/j01.eee.20.5.7090
Highlights
There is presented a summary of various special sensor types for the alphanumeric marking recognition in metallurgy industry, which should give data about the type and other parameters of the tested product
There is used a wide variety of sensors, such as ultrasonic, optical, inductive sensors and others sensor types
The practical part describes the use of a special sensor technology in specific problematic case of alphanumeric marking recognition
Summary
There is presented a summary of various special sensor types for the alphanumeric marking recognition in metallurgy industry, which should give data about the type and other parameters of the tested product. Embossed alphanumeric characters may be contaminated by dust or other impurity; we tried testing another method for recognition instead of camera techniques. This problem can be resolved for example by using scanner method for material surfaces detection. Another problem may be the high temperature of measured product which depends on the location of the sensing device in the industrial technology. The measured metal product can be measured in temperature up to about 800 °C [3], [4]
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