Mr. Rehan Adil Profile

Rehan Adil

Program Manager at Indus Univ

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Proceedings Article | 13 January 2012 Paper

Design and development of LED-based irregular leather area measuring machine

Rehan Adil, Sarah Jamal Khan

Proceedings Volume 8349, 83490G (2012) https://doi.org/10.1117/12.920240

KEYWORDS: Sensors, Optical sensors, Control systems, Transceivers, Optical arrays, Microcontrollers, LCDs, Calibration, Light emitting diodes, Motion measurement

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Using optical sensor array, a precision motion control system in a conveyer follows the irregular shaped leather sheet to measure its surface area. In operation, irregular shaped leather sheet passes on conveyer belt and optical sensor array detects the leather sheet edge. In this way outside curvature of the leather sheet is detected and is then feed to the controller to measure its approximate area. Such system can measure irregular shapes, by neglecting rounded corners, ellipses etc. To minimize the error in calculating surface area of irregular curve to the above mentioned system, the motion control system only requires the footprint of the optical sensor to be small and the distance between the sensors is to be minimized. In the proposed technique surface area measurement of irregular shaped leather sheet is done by defining velocity and detecting position of the move. The motion controller takes the information and creates the necessary edge profile on point-to-point bases. As a result irregular shape of leather sheet is mapped and is then feed to the controller to calculate surface area.

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