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A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method

Master of Science in Engineering Mathematics

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Bibliographic Details
Main Author: Khairul Azmir, Azuddin
Other Authors: Ahmad Kadri, Junoh, Dr.
Format: Dissertation
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2017
Subjects:
Automobiles > Noise
Automobiles > Vibration
Monte Carlo method
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76627
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spelling my.unimap-766272022-10-26T00:58:03Z A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method Khairul Azmir, Azuddin Ahmad Kadri, Junoh, Dr. Automobiles -- Noise Automobiles -- Vibration Monte Carlo method Master of Science in Engineering Mathematics Societies nowadays spend most of their time travelling with vehicles, especially cars, and move from one place to another place. Therefore the comforts of a vehicle could provide is very important to give the feeling of pleasantness to the users of the car. Vehicle acoustic comfort is one of the important factor in order to provide driving comforts to the user when the vehicle is in use. Logically annoying noise inside the cabin car will to make the car’s user to feel less comfortable. Psychologically, an uncomfortable environment during driving session with the car will affect the user's car especially to the driver where it can be a kind of distraction during driving. If this happen, then the drivers concentration will also be affected and this could led to an unwanted incidents. This study was proposed to investigate the comfort level of noise in the car cabin. The cars used in this study are the compact cars from Perodua, the Axia, Myvi and Viva models. The objective of this study was to investigate the noise in the cabin of the car and to find the comfort noise levels between the three cars. Then, the level of acoustical comfort between the three cars were compared to find which car have the best noise comfort level between those cars. The hypothesis of this study are more the higher the cars’ engine speed, the higher the level of noise generated in the cabin of the car and the rougher the road surface, the higher the noise will be transferred into the car’s cabin. Therefore, in this study, the level of noise in the car cabin for all of the three cars are measured according to the engine speed, respectively. The noise in the cabin of the cars was recorded when the car is in two circumstances, namely when in stationary and non-stationary. In stationary state, the noise in the car were recorded while being driven through three types of roads, which are the highway, urban streets, and pavement. A coding system using LabVIEW were developed to create a system to record the sounds of the noise in the cabin of the car. The recorded noise will then be used for evaluation. The noise were assessed in to approach, objectively and subjectively. In objective evaluation, the sound quality parameter of the recorded noise were extracted by using the "B&K Sound Quality" software. These sound quality parameter will be the data and was assessed by means of regression analysis. Then an equation was published through the analysis. In subjective assessment the recorded noise were evaluated based on jury assessment. Five individuals were involved in assessing the noise. Then, data mining approach were implemented in this study to illustrate this noise data. 2017 2022-10-26T00:58:03Z 2022-10-26T00:58:03Z Dissertation http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76627 en Universiti Malaysia Perlis (UniMAP) Universiti Malaysia Perlis (UniMAP) Institute of Engineering Mathematics
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Automobiles -- Noise
Automobiles -- Vibration
Monte Carlo method
spellingShingle Automobiles -- Noise
Automobiles -- Vibration
Monte Carlo method
Khairul Azmir, Azuddin
A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
description Master of Science in Engineering Mathematics
author2 Ahmad Kadri, Junoh, Dr.
author_facet Ahmad Kadri, Junoh, Dr.
Khairul Azmir, Azuddin
format Dissertation
author Khairul Azmir, Azuddin
author_sort Khairul Azmir, Azuddin
title A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
title_short A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
title_full A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
title_fullStr A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
title_full_unstemmed A comparative study on interior acoustical comfort towards Perodua's compact car model through Monte Carlo simulation method
title_sort comparative study on interior acoustical comfort towards perodua's compact car model through monte carlo simulation method
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2017
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76627
_version_ 1751537952096256000
score 13.222552

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