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Investigating Multiple Fan Beam Projection Technique using Optical Fibre Sensor in Process Tomography

Ruzairi Abdul Rahim, and Leong, Lai Chen, and Chan, Kok San, and Mohd. Hafiz Fazalul Rahiman, (2007) Investigating Multiple Fan Beam Projection Technique using Optical Fibre Sensor in Process Tomography. Jurnal Teknologi, 47 (D). pp. 61-70.

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Official URL: http://www.penerbit.utm.my/onlinejournal/47/D/JTDIS47D05.pdf

Affiliations

Universiti Teknologi Malaysia. of Electrical Engineering. Dept. of Control and Instrumentation Engineering
Universiti Teknologi Malaysia. of Electrical Engineering. Dept. of Control and Instrumentation Engineering
Universiti Teknologi Malaysia. of Electrical Engineering. Dept. of Control and Instrumentation Engineering
Universiti Malaysia Perlis. School of Mechatronic Engineering

Abstract

Abstract: This paper investigates the acquisition rate for a multi–projection technique using optical fibre sensors for a fan beam optical tomography system. The multi–projection technique allows more than one emitter to project light at the same time. For the 32 pairs of sensors used, the 2–projection technique is being investigated whereby 16 sets of projections will complete one frame of light emission. Compared to the conventional single light projection technique used in switch–mode fan beam, multiple light projections technique has shown to be able to achieve a higher data acquisition rate.
Abstrak: Secara umumnya, objektif projek ini adalah untuk mengimplimentasi teknik sinaran berbilang “fan beam” menggunakan penderia gentian optik dengan tujuan meningkatkan kadar perolehan data. Teknik sinaran berbilang “fan beam” dalam kes ini boleh didefinisikan sebagai membenarkan lebih daripada satu pemancar untuk memancarkan cahaya dalam suatu masa yang sama dengan menggunakan kaedah “switch–mode fan beam.”

Item Type:Journal
Keywords:Optical fibre sensor, fan beam optical tomography, multi–projection technique, switch–mode fan beam method, Penderia gentian optik, tomografi optik fan–beam, teknik berbilang pemancar, kaedah switch–mode fan beam
Subjects:T Technology, Engineering
ID Code:4041

[1] Abdul Rahim R. 1996. A Tomography Imaging System for Pneumatic Conveyors Using Optical Fibres.Ph.D. Thesis. Sheffield Hallam University.

[2] Ibrahim S. 2000. Measurement of Gas Bubbles in a Vertical Water Column Using Optical Tomography. Ph.D. Thesis. Sheffield Hallam University.

[3] Chan, K.S. 2002. Real Time Image Reconstruction for Fan Beam Optical Tomography System. M.Sc. Thesis. Universiti Teknologi Malaysia.

[4] Abdul Rahim R. and Chan, K.S. 2004. Optical Tomography System for Process Measurement Using LED as a Light Source. Journal Optical Engineering. 43(5): 1251-1257.

[5] Norhafizah Ramli, et al. 1999. Fibre Optic Lens Modelling for Optical Tomography. 1st World Congress on Industrial Process Tomography, Buxton.

[6[ Richard-Syms and John Cozens. 1992. Optical Guided Waves and Devices. United Kingdom: McGraw-Hill Book Company.

[7] Pang, J. F., et al. 2004. Real Time Image Reconstruction System Using Two Data Processing Unit in Optical Tomography. 3rd International Symposium on Process Tomography. Lodz, Poland.

[8] Chiam, K. T., et al. 2004. Micro Controller Based Signal Generator and LED Controller for Fan Beam opticalTomography System with Remote Computer Control. 3rd International Symposium on Process Tomography.Lodz, Poland.

[9] Green, R. G., et al. 1998. Concentration profiles in a gravity chute conveyor by optical tomography measurement. Journal Powder Technology. Vol. 95: 49-54.

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