Sistem brek elektromagnetik boleh kawal menggunakan arus pusar

This research presents a laboratory based experimental study of a controllable electromagnetic braking system utilising eddy current. The main focus was to study parameters related to the eddy current electromagnetic braking system and to apply the system on a test study application. This study expl...

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Main Author:	Mohamad Zairi, Baharom
Format:	Thesis
Language:	English
Published:	2013
Subjects:	TF Railroad engineering and operation
Online Access:	http://umpir.ump.edu.my/id/eprint/7582/1/Sistem%20brek%20elektromagnetik%20boleh%20kawal%20menggunakan%20arus%20pusar.pdf
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id	my-ump-ir.7582
record_format	uketd_dc
spelling	my-ump-ir.75822021-11-02T02:50:01Z Sistem brek elektromagnetik boleh kawal menggunakan arus pusar 2013 Mohamad Zairi, Baharom TF Railroad engineering and operation This research presents a laboratory based experimental study of a controllable electromagnetic braking system utilising eddy current. The main focus was to study parameters related to the eddy current electromagnetic braking system and to apply the system on a test study application. This study explored potential benefits over conventional braking systems, including in the reduction of brake pad wear and wear debris contamination due to hazardous materials such as copper. The objective was to design and fabricate a test rig in order to investigate the relationship between variable parameters that affect the electromagnetic braking system response and to implement the controllable system on an undertaken test case. Two test rigs were constructed for the study on the interactions of variable parameters and on the test case application. Laboratory experiments were carried out to examine the correlation between parameters such as the coil current, air gap widths, types of disc brakes, disc thickness, and number of turns of the electromagnetic coil. Two different materials, Al6061 and Al7075 were also compared in this response experiment. In the validation part of the experiment, related optimum parameters found from the response part were used in implementing the eddy current electromagnetic braking system on a stationary exercise bicycle. From the experimental results, it was found that the parameters have some effect on certain braking behaviour. Braking force increased as the coil current increased, as also with the use of a smaller air gap, larger number of coil turns and thicker disc. Three types of disc material were tested: aluminium, zinc and copper; subsequently, aluminium was found to be the best among the three. It was also found that Al6061 performed better than Al7075. The eddy current electromagnetic brake was tested for exercise purposes, taking the coil current as the controllable parameter. Increasing the coil current caused the cycling resistance to increase, and hence the intensity of the exercise also increased. From this research, it was shown that the eddy current electromagnetic brake could be successfully implemented as a controllable braking system on a test static exercise bicycle. Thus, this system has great potential to be explored as an alternative to present-day conventional braking systems 2013 Thesis http://umpir.ump.edu.my/id/eprint/7582/ http://umpir.ump.edu.my/id/eprint/7582/1/Sistem%20brek%20elektromagnetik%20boleh%20kawal%20menggunakan%20arus%20pusar.pdf pdf en public masters Universiti Kebangsaan Malaysia Fakulti Kejuruteraan Dan Alam Bina
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
collection	UMPSA Institutional Repository
language	English
topic	TF Railroad engineering and operation
spellingShingle	TF Railroad engineering and operation Mohamad Zairi, Baharom Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
description	This research presents a laboratory based experimental study of a controllable electromagnetic braking system utilising eddy current. The main focus was to study parameters related to the eddy current electromagnetic braking system and to apply the system on a test study application. This study explored potential benefits over conventional braking systems, including in the reduction of brake pad wear and wear debris contamination due to hazardous materials such as copper. The objective was to design and fabricate a test rig in order to investigate the relationship between variable parameters that affect the electromagnetic braking system response and to implement the controllable system on an undertaken test case. Two test rigs were constructed for the study on the interactions of variable parameters and on the test case application. Laboratory experiments were carried out to examine the correlation between parameters such as the coil current, air gap widths, types of disc brakes, disc thickness, and number of turns of the electromagnetic coil. Two different materials, Al6061 and Al7075 were also compared in this response experiment. In the validation part of the experiment, related optimum parameters found from the response part were used in implementing the eddy current electromagnetic braking system on a stationary exercise bicycle. From the experimental results, it was found that the parameters have some effect on certain braking behaviour. Braking force increased as the coil current increased, as also with the use of a smaller air gap, larger number of coil turns and thicker disc. Three types of disc material were tested: aluminium, zinc and copper; subsequently, aluminium was found to be the best among the three. It was also found that Al6061 performed better than Al7075. The eddy current electromagnetic brake was tested for exercise purposes, taking the coil current as the controllable parameter. Increasing the coil current caused the cycling resistance to increase, and hence the intensity of the exercise also increased. From this research, it was shown that the eddy current electromagnetic brake could be successfully implemented as a controllable braking system on a test static exercise bicycle. Thus, this system has great potential to be explored as an alternative to present-day conventional braking systems
format	Thesis
qualification_level	Master's degree
author	Mohamad Zairi, Baharom
author_facet	Mohamad Zairi, Baharom
author_sort	Mohamad Zairi, Baharom
title	Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
title_short	Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
title_full	Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
title_fullStr	Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
title_full_unstemmed	Sistem brek elektromagnetik boleh kawal menggunakan arus pusar
title_sort	sistem brek elektromagnetik boleh kawal menggunakan arus pusar
granting_institution	Universiti Kebangsaan Malaysia
granting_department	Fakulti Kejuruteraan Dan Alam Bina
publishDate	2013
url	http://umpir.ump.edu.my/id/eprint/7582/1/Sistem%20brek%20elektromagnetik%20boleh%20kawal%20menggunakan%20arus%20pusar.pdf
_version_	1783731927357849600

Sistem brek elektromagnetik boleh kawal menggunakan arus pusar

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