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Optical tomography system for process measurement using light-emitting diodes as a light source

We describe the development of a tomographic system by employing low-cost optical sensors. This sensor selection aims at producing a low-cost solution in visualizing a low dense solid particle conveyor system. The final aim of this project is to achieve real-time monitoring of solid particles having...

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Main Authors: Abdul Rahim, Ruzairi, Chan, K. S.
Format: Article
Published: Society of Photo-Optical Instrumentation Engineers 2004
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utm.my/id/eprint/9843/
http://dx.doi.org/10.1117/1.1666854
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spelling my.utm.98432017-02-12T08:06:16Z http://eprints.utm.my/id/eprint/9843/ Optical tomography system for process measurement using light-emitting diodes as a light source Abdul Rahim, Ruzairi Chan, K. S. TK Electrical engineering. Electronics Nuclear engineering We describe the development of a tomographic system by employing low-cost optical sensors. This sensor selection aims at producing a low-cost solution in visualizing a low dense solid particle conveyor system. The final aim of this project is to achieve real-time monitoring of solid particles having low concentration flow when being conveyed in a vertical pneumatic conveyor. The developed tomography system consists of 32 pairs of light-emitting diodes (LEDs) and silicon PIN photodiodes. These sensors are used to monitor the emitted radiation for fluctuations caused by particles interfering with the beam when passing through it. Each sensor output depends on the position of flow regime within the sensing zone. The relationships between the particle distribution and light attenuation effects are investigated by reconstructing the cross-sectional image through computer programming. A data acquisition system is used to digitalize analog signals from the sensor system and is manipulated by a personal computer in real-time mode. The results obtained from this investigation show that low-cost optical sensors are suitable for monitoring low and medium concentration flowing materials. Society of Photo-Optical Instrumentation Engineers 2004-04-19 Article PeerReviewed Abdul Rahim, Ruzairi and Chan, K. S. (2004) Optical tomography system for process measurement using light-emitting diodes as a light source. Optical Engineering, 43 (5). pp. 1251-1257. ISSN 0091-3286 http://dx.doi.org/10.1117/1.1666854 doi:10.1117/1.1666854
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Abdul Rahim, Ruzairi
Chan, K. S.
Optical tomography system for process measurement using light-emitting diodes as a light source
description We describe the development of a tomographic system by employing low-cost optical sensors. This sensor selection aims at producing a low-cost solution in visualizing a low dense solid particle conveyor system. The final aim of this project is to achieve real-time monitoring of solid particles having low concentration flow when being conveyed in a vertical pneumatic conveyor. The developed tomography system consists of 32 pairs of light-emitting diodes (LEDs) and silicon PIN photodiodes. These sensors are used to monitor the emitted radiation for fluctuations caused by particles interfering with the beam when passing through it. Each sensor output depends on the position of flow regime within the sensing zone. The relationships between the particle distribution and light attenuation effects are investigated by reconstructing the cross-sectional image through computer programming. A data acquisition system is used to digitalize analog signals from the sensor system and is manipulated by a personal computer in real-time mode. The results obtained from this investigation show that low-cost optical sensors are suitable for monitoring low and medium concentration flowing materials.
format Article
author Abdul Rahim, Ruzairi
Chan, K. S.
author_facet Abdul Rahim, Ruzairi
Chan, K. S.
author_sort Abdul Rahim, Ruzairi
title Optical tomography system for process measurement using light-emitting diodes as a light source
title_short Optical tomography system for process measurement using light-emitting diodes as a light source
title_full Optical tomography system for process measurement using light-emitting diodes as a light source
title_fullStr Optical tomography system for process measurement using light-emitting diodes as a light source
title_full_unstemmed Optical tomography system for process measurement using light-emitting diodes as a light source
title_sort optical tomography system for process measurement using light-emitting diodes as a light source
publisher Society of Photo-Optical Instrumentation Engineers
publishDate 2004
url http://eprints.utm.my/id/eprint/9843/
http://dx.doi.org/10.1117/1.1666854
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score 13.211869

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