Automotive engine fault diagnosis using acoustic emission technique

This thesis was carried out to diagnose faults in an automotive engine using acoustic emission method. Proton Persona’s engine, which is a four cylinder engine, powered by 1.6 liters double overhead camshaft (DOHC) with two different locations (Point A and Point B) marked was used as the main test-r...

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Bibliographic Details
Main Author:	Nur Naquiah, Mohammad Ali
Format:	Undergraduates Project Papers
Language:	English
Published:	2010
Subjects:	TL Motor vehicles. Aeronautics. Astronautics
Online Access:	http://umpir.ump.edu.my/id/eprint/1740/ http://umpir.ump.edu.my/id/eprint/1740/ http://umpir.ump.edu.my/id/eprint/1740/1/Nur_Naquiah_Mohammad_Ali_%28_CD_5092_%29.pdf

id	ump-1740
recordtype	eprints
spelling	ump-17402015-03-03T07:52:35Z http://umpir.ump.edu.my/id/eprint/1740/ Automotive engine fault diagnosis using acoustic emission technique Nur Naquiah, Mohammad Ali TL Motor vehicles. Aeronautics. Astronautics This thesis was carried out to diagnose faults in an automotive engine using acoustic emission method. Proton Persona’s engine, which is a four cylinder engine, powered by 1.6 liters double overhead camshaft (DOHC) with two different locations (Point A and Point B) marked was used as the main test-rig. There were three tests conducted for this project, the pencil-break test, engine under idle condition and engine under fuel injector shut off condition. Pencil-break test is performed in order to check the most suitable material to be used as medium to transfer the signals. The source of the Acoustic Emission (AE) signals was from the condition where the fuel injector was shut off when the engine is running, and it was captured using AE sensor with the help from Physical Acoustic AE-win 3.1 software. For engine under idle and shut off condition, all the domain parameters (RMS amplitude, peak amplitude and energy) was processed using MATLAB software. The parameters were then compared between idle and shut off condition for each fuel injector shut off. The results shows that the different of AE parameters between Point A and Point B, where Point B shows higher value than Point A in idle condition and also under fuel injector shut off condition. During shut off condition, the RMS amplitude, peak amplitude and energy produced higher energy level compare to idle condition. This indicates defects or faults occurred. In addition, Pekan number, X was introduced as the indicator or ratio of value before fuel injector shut off to value during fuel injector shut off. 2010-12 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1740/1/Nur_Naquiah_Mohammad_Ali_%28_CD_5092_%29.pdf Nur Naquiah, Mohammad Ali (2010) Automotive engine fault diagnosis using acoustic emission technique. Faculty of Mechanical Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:52196&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TL Motor vehicles. Aeronautics. Astronautics
spellingShingle	TL Motor vehicles. Aeronautics. Astronautics Nur Naquiah, Mohammad Ali Automotive engine fault diagnosis using acoustic emission technique
description	This thesis was carried out to diagnose faults in an automotive engine using acoustic emission method. Proton Persona’s engine, which is a four cylinder engine, powered by 1.6 liters double overhead camshaft (DOHC) with two different locations (Point A and Point B) marked was used as the main test-rig. There were three tests conducted for this project, the pencil-break test, engine under idle condition and engine under fuel injector shut off condition. Pencil-break test is performed in order to check the most suitable material to be used as medium to transfer the signals. The source of the Acoustic Emission (AE) signals was from the condition where the fuel injector was shut off when the engine is running, and it was captured using AE sensor with the help from Physical Acoustic AE-win 3.1 software. For engine under idle and shut off condition, all the domain parameters (RMS amplitude, peak amplitude and energy) was processed using MATLAB software. The parameters were then compared between idle and shut off condition for each fuel injector shut off. The results shows that the different of AE parameters between Point A and Point B, where Point B shows higher value than Point A in idle condition and also under fuel injector shut off condition. During shut off condition, the RMS amplitude, peak amplitude and energy produced higher energy level compare to idle condition. This indicates defects or faults occurred. In addition, Pekan number, X was introduced as the indicator or ratio of value before fuel injector shut off to value during fuel injector shut off.
format	Undergraduates Project Papers
author	Nur Naquiah, Mohammad Ali
author_facet	Nur Naquiah, Mohammad Ali
author_sort	Nur Naquiah, Mohammad Ali
title	Automotive engine fault diagnosis using acoustic emission technique
title_short	Automotive engine fault diagnosis using acoustic emission technique
title_full	Automotive engine fault diagnosis using acoustic emission technique
title_fullStr	Automotive engine fault diagnosis using acoustic emission technique
title_full_unstemmed	Automotive engine fault diagnosis using acoustic emission technique
title_sort	automotive engine fault diagnosis using acoustic emission technique
publishDate	2010
url	http://umpir.ump.edu.my/id/eprint/1740/ http://umpir.ump.edu.my/id/eprint/1740/ http://umpir.ump.edu.my/id/eprint/1740/1/Nur_Naquiah_Mohammad_Ali_%28_CD_5092_%29.pdf
first_indexed	2023-09-18T21:54:57Z
last_indexed	2023-09-18T21:54:57Z
_version_	1777414016356843520

Automotive engine fault diagnosis using acoustic emission technique

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