Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display

There is a need for a better calibration system of timing devices at the National Metrology Laboratory, SIRIM Berhad (NML-SIRIM), particularly stopwatches and timers with seven-segment LCD. This research is focused on the development of a prototype calibration system which is based on the idea of ut...

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Main Author:	Omar, Ahmad Sahar
Format:	Thesis
Language:	English
Published:	2015
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/53822/1/AhmadSaharOmarMFKE2015.pdf
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id	my-utm-ep.53822
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spelling	my-utm-ep.538222020-09-07T01:44:09Z Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display 2015-06 Omar, Ahmad Sahar TK Electrical engineering. Electronics Nuclear engineering There is a need for a better calibration system of timing devices at the National Metrology Laboratory, SIRIM Berhad (NML-SIRIM), particularly stopwatches and timers with seven-segment LCD. This research is focused on the development of a prototype calibration system which is based on the idea of utilizing a colour-mark sensor. It comprises of the process of predefining key specifications, designing a new calibration method, constructing a prototype measuring instrument and performing an experimentation test and finally carrying out an evaluation performance test via bilateral comparison with the existing calibration system of NML-SIRIM and also with the National Measurement Institute of Netherlands (VSL). To the best of the author's knowledge, there are as yet no reference publications or reports of calibration system involving the use of colour-mark sensor for the calibration of timing devices. Based on the observation and data analysis of the conducted experimentation tests, it shows that the developed prototype or so called the colour-mark sensor based calibration system can operate regardless of the intensity of ambient light and the measurement uncertainty is not constrained either by human reaction time or by resolution of the timing device being tested. Instead it is limited by the sensor reaction time and the counting capabilities of the prototype calibration system. There is also no need to dismantle the casing of the timing device under test in performing the calibration. Furthermore, the functionality of the timing device under test in counting the time can also be tested. The results from bilateral comparison show that the best measurement uncertainty of this prototype calibration system is ± 0.016 seconds per day, which is comparable to the best existing calibration method mentioned in this thesis. 2015-06 Thesis http://eprints.utm.my/id/eprint/53822/ http://eprints.utm.my/id/eprint/53822/1/AhmadSaharOmarMFKE2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:86229 masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Omar, Ahmad Sahar Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
description	There is a need for a better calibration system of timing devices at the National Metrology Laboratory, SIRIM Berhad (NML-SIRIM), particularly stopwatches and timers with seven-segment LCD. This research is focused on the development of a prototype calibration system which is based on the idea of utilizing a colour-mark sensor. It comprises of the process of predefining key specifications, designing a new calibration method, constructing a prototype measuring instrument and performing an experimentation test and finally carrying out an evaluation performance test via bilateral comparison with the existing calibration system of NML-SIRIM and also with the National Measurement Institute of Netherlands (VSL). To the best of the author's knowledge, there are as yet no reference publications or reports of calibration system involving the use of colour-mark sensor for the calibration of timing devices. Based on the observation and data analysis of the conducted experimentation tests, it shows that the developed prototype or so called the colour-mark sensor based calibration system can operate regardless of the intensity of ambient light and the measurement uncertainty is not constrained either by human reaction time or by resolution of the timing device being tested. Instead it is limited by the sensor reaction time and the counting capabilities of the prototype calibration system. There is also no need to dismantle the casing of the timing device under test in performing the calibration. Furthermore, the functionality of the timing device under test in counting the time can also be tested. The results from bilateral comparison show that the best measurement uncertainty of this prototype calibration system is ± 0.016 seconds per day, which is comparable to the best existing calibration method mentioned in this thesis.
format	Thesis
qualification_level	Master's degree
author	Omar, Ahmad Sahar
author_facet	Omar, Ahmad Sahar
author_sort	Omar, Ahmad Sahar
title	Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
title_short	Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
title_full	Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
title_fullStr	Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
title_full_unstemmed	Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
title_sort	development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/53822/1/AhmadSaharOmarMFKE2015.pdf
_version_	1747817635364470784

Development of colour-mark sensor-based calibration system for timing devices with seven-segment liquid-crystal-display

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