Active vibration control of flexible plate structure using smart material

Vibration often is one of the limiting factors in the performance of many applications and various fields such as aerospace, automotive, submarines, robotic industries, and all mechanical structures. The conventional method of suppressing the vibration is by using passive damping which consists of m...

Full description

Saved in:

Bibliographic Details
Main Author:	Jamid, Mohd. Fairus
Format:	Thesis
Language:	English
Published:	2012
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/40650/1/MohdFairusJamidMFKM2012.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-utm-ep.40650
record_format	uketd_dc
spelling	my-utm-ep.406502018-04-27T01:31:06Z Active vibration control of flexible plate structure using smart material 2012-08 Jamid, Mohd. Fairus TJ Mechanical engineering and machinery Vibration often is one of the limiting factors in the performance of many applications and various fields such as aerospace, automotive, submarines, robotic industries, and all mechanical structures. The conventional method of suppressing the vibration is by using passive damping which consists of mounting passive material on the structure. This, however, will lead to increasing the weight of the structure and hence decreasing its performance. This research is aimed to investigate the method of vibration suppression using active vibration control approaches for the flexible plate structure. Firstly, the vibration characteristic of the plate structure is investigated. This involved a parametric identification of the vibrational flexible plate system. The Recursive Least Square algorithm was used in this study to identify the dynamic behaviour of the flexible plate. Input and output vibration signals were acquired from the flexible plate test-rig using two accelerometers as the sensors and National Instruments Data Acquisition System. The two sensors detect the vibration response along the plate caused by the excitation of the primary source (excitation point). Then, the signals are processed by on-line identification technique using Recursive Least Square estimator. The parameters for the controller are generated using the dynamic model of the system obtained from the estimator. The controlled signal is later fed to the plate to generate a superimpose signal to eliminate the unwanted vibration via smart material actuator. Finally, the performance of the Active Vibration Control algorithm developed using Recursive Least Square estimator is evaluated, verified and validated. The result demonstrates the ability of the Active Vibration Control algorithm using Recursive Least Square estimator to suppress the vibration of the flexible plate structure. 2012-08 Thesis http://eprints.utm.my/id/eprint/40650/ http://eprints.utm.my/id/eprint/40650/1/MohdFairusJamidMFKM2012.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Jamid, Mohd. Fairus Active vibration control of flexible plate structure using smart material
description	Vibration often is one of the limiting factors in the performance of many applications and various fields such as aerospace, automotive, submarines, robotic industries, and all mechanical structures. The conventional method of suppressing the vibration is by using passive damping which consists of mounting passive material on the structure. This, however, will lead to increasing the weight of the structure and hence decreasing its performance. This research is aimed to investigate the method of vibration suppression using active vibration control approaches for the flexible plate structure. Firstly, the vibration characteristic of the plate structure is investigated. This involved a parametric identification of the vibrational flexible plate system. The Recursive Least Square algorithm was used in this study to identify the dynamic behaviour of the flexible plate. Input and output vibration signals were acquired from the flexible plate test-rig using two accelerometers as the sensors and National Instruments Data Acquisition System. The two sensors detect the vibration response along the plate caused by the excitation of the primary source (excitation point). Then, the signals are processed by on-line identification technique using Recursive Least Square estimator. The parameters for the controller are generated using the dynamic model of the system obtained from the estimator. The controlled signal is later fed to the plate to generate a superimpose signal to eliminate the unwanted vibration via smart material actuator. Finally, the performance of the Active Vibration Control algorithm developed using Recursive Least Square estimator is evaluated, verified and validated. The result demonstrates the ability of the Active Vibration Control algorithm using Recursive Least Square estimator to suppress the vibration of the flexible plate structure.
format	Thesis
qualification_level	Master's degree
author	Jamid, Mohd. Fairus
author_facet	Jamid, Mohd. Fairus
author_sort	Jamid, Mohd. Fairus
title	Active vibration control of flexible plate structure using smart material
title_short	Active vibration control of flexible plate structure using smart material
title_full	Active vibration control of flexible plate structure using smart material
title_fullStr	Active vibration control of flexible plate structure using smart material
title_full_unstemmed	Active vibration control of flexible plate structure using smart material
title_sort	active vibration control of flexible plate structure using smart material
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2012
url	http://eprints.utm.my/id/eprint/40650/1/MohdFairusJamidMFKM2012.pdf
_version_	1747816568211898368

Active vibration control of flexible plate structure using smart material

Similar Items