Abstract
The paper outlines some issues related to optical sensors based on the diffraction method which are used as a part of the devices to control the outer diameter and eccentricity of a single-core electric cable. The conversion function which allows calculation of the diameter of cylindrical objects regardless of their position in the tested area is considered. The calculations are based on the diffraction method to detect shadow boundaries of the object in two-dimensional optical sensors that use a divergent laser beam. The obtained results can be used to develop precise optical instruments to control the outer diameter and eccentricity of the object in a cable industry.
Highlights
In-process control of the diameter and eccentricity of the electric cable aims at solving the problem of practical importance to minimize rejects, to improve the quality of the manufactured cable products, to reduce raw material costs in production, and, to reduce production costs
The eccentricity measuring technique includes an optical two-dimensional system to determine the position of the center, the diameter of the cable outer sheath, and a transformer mutual inductance magnetic sensor to measure the displacement of the cable conductor center
The performance of the mutual inductance magnetic sensor measuring the position of the cable conductor is investigated in [1,2,3]
Summary
Series: Materials Science and Engineering 81 (2015) 012074 doi:10.1088/1757-899X/81/1/012074. Optical laser diffraction transducer for measuring single-wire electric cable eccentricity. Abstract.The paper outlines some issues related to optical sensors based on the diffraction method which are used as a part of the devices to control the outer diameter and eccentricity of a single-core electric cable. The conversion function which allows calculation of the diameter of cylindrical objects regardless of their position in the tested area is considered. The calculations are based on the diffraction method to detect shadow boundaries of the object in two-dimensional optical sensors that use a divergent laser beam. The obtained results can be used to develop precise optical instruments to control the outer diameter and eccentricity of the object in a cable industry
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