Identification of test rig for a quarter car active suspension systems

System Identification approach can be used to estimate the models and parameters of the passive system of a test rig for a quarter car active suspension systems. The passive suspension system is consists of sprung mass, unsprung mass, damper and hydraulic actuator. Identification of the system is ca...

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Main Author:	Abdul Rashid, Zarina
Format:	Thesis
Language:	English
Published:	2009
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/12063/6/ZarinaAbdulRashidMFKE2009.pdf
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id	my-utm-ep.12063
record_format	uketd_dc
spelling	my-utm-ep.120632017-09-14T01:21:16Z Identification of test rig for a quarter car active suspension systems 2009-11 Abdul Rashid, Zarina TK Electrical engineering. Electronics Nuclear engineering System Identification approach can be used to estimate the models and parameters of the passive system of a test rig for a quarter car active suspension systems. The passive suspension system is consists of sprung mass, unsprung mass, damper and hydraulic actuator. Identification of the system is carried out based on the experimental work of the test rig. The input of the system is an input signal from the LVDT sensor that be controlled by valve and two output signals of the system are the output signals from accelerometers. One output signal is taken from the accelerometer that placed at the body of the car and another one is placed at the tire of the car. Input signal excitation and data acquisition process are controlled by using Simulink. In order to estimate and validate the model and parameters, the data are process using the System Identification Toolbox in Matlab. Since the system is modeled as a linear model, linear ARX model is utilized as a model structure. Model parameter estimation for the passive systems is performed using ARX430 and ARX420 methods respectively. Through the validation process, percentage of the best fit can be reached more than 90% and the smallest LF, PFC and AIC criterions also can be reached. Hence, the model parameters of the system are acceptable. 2009-11 Thesis http://eprints.utm.my/id/eprint/12063/ http://eprints.utm.my/id/eprint/12063/6/ZarinaAbdulRashidMFKE2009.pdf application/pdf en public 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 Abdul Rashid, Zarina Identification of test rig for a quarter car active suspension systems
description	System Identification approach can be used to estimate the models and parameters of the passive system of a test rig for a quarter car active suspension systems. The passive suspension system is consists of sprung mass, unsprung mass, damper and hydraulic actuator. Identification of the system is carried out based on the experimental work of the test rig. The input of the system is an input signal from the LVDT sensor that be controlled by valve and two output signals of the system are the output signals from accelerometers. One output signal is taken from the accelerometer that placed at the body of the car and another one is placed at the tire of the car. Input signal excitation and data acquisition process are controlled by using Simulink. In order to estimate and validate the model and parameters, the data are process using the System Identification Toolbox in Matlab. Since the system is modeled as a linear model, linear ARX model is utilized as a model structure. Model parameter estimation for the passive systems is performed using ARX430 and ARX420 methods respectively. Through the validation process, percentage of the best fit can be reached more than 90% and the smallest LF, PFC and AIC criterions also can be reached. Hence, the model parameters of the system are acceptable.
format	Thesis
qualification_level	Master's degree
author	Abdul Rashid, Zarina
author_facet	Abdul Rashid, Zarina
author_sort	Abdul Rashid, Zarina
title	Identification of test rig for a quarter car active suspension systems
title_short	Identification of test rig for a quarter car active suspension systems
title_full	Identification of test rig for a quarter car active suspension systems
title_fullStr	Identification of test rig for a quarter car active suspension systems
title_full_unstemmed	Identification of test rig for a quarter car active suspension systems
title_sort	identification of test rig for a quarter car active suspension systems
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2009
url	http://eprints.utm.my/id/eprint/12063/6/ZarinaAbdulRashidMFKE2009.pdf
_version_	1747814891752783872

Identification of test rig for a quarter car active suspension systems

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