Design and development an active mass damper for broadband vibration control

Civil structures experience vibrations due to natural dynamic forces such as earthquakes and wind loads. Often, mass-spring system is used to reduce such vibrations. The mass-spring system can either serve as absorbers or dampers. Usually, such system is tuned to absorb or damp a single frequency of...

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Main Authors: Ladipo, Ismail, Abdul Muthalif, Asan Gani, Rozaime, Alif, Asyraf, Ahmad
Format: Proceeding Paper
Language:English
Published: 2011
Subjects:
Online Access:http://irep.iium.edu.my/3097/
http://irep.iium.edu.my/3097/1/ICOM11-Design_and_Development_of_Active_mass.pdf
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author Ladipo, Ismail
Abdul Muthalif, Asan Gani
Rozaime, Alif
Asyraf, Ahmad
author_facet Ladipo, Ismail
Abdul Muthalif, Asan Gani
Rozaime, Alif
Asyraf, Ahmad
author_sort Ladipo, Ismail
building IIUM Repository
collection Online Access
description Civil structures experience vibrations due to natural dynamic forces such as earthquakes and wind loads. Often, mass-spring system is used to reduce such vibrations. The mass-spring system can either serve as absorbers or dampers. Usually, such system is tuned to absorb or damp a single frequency of excitation or resonance frequency respectively. However, ability to vary the absorber’s natural frequency would allow broadband vibration absorption. In this paper, an Active Mass Damper (AMD) is presented to eliminate broadband vibration. The lowest frequencies are the main interest as they cause larger displacement. The AMD is tuned actively to match the first three resonance frequencies of a three story building model thus making it effective for a broadband vibration control. The tuning of AMD’s natural frequency is done using piezoelectric patch that effectively change its stiffness. Simulation studies on the performances of the AMD are shown. The optimal location of the AMD is also identified. The findings of this study shows reduction in all response of the individual floors at the resonance frequencies.
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format Proceeding Paper
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institution International Islamic University Malaysia
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language English
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publishDate 2011
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spelling iium-30972011-10-13T03:42:14Z http://irep.iium.edu.my/3097/ Design and development an active mass damper for broadband vibration control Ladipo, Ismail Abdul Muthalif, Asan Gani Rozaime, Alif Asyraf, Ahmad TA Engineering (General). Civil engineering (General) Civil structures experience vibrations due to natural dynamic forces such as earthquakes and wind loads. Often, mass-spring system is used to reduce such vibrations. The mass-spring system can either serve as absorbers or dampers. Usually, such system is tuned to absorb or damp a single frequency of excitation or resonance frequency respectively. However, ability to vary the absorber’s natural frequency would allow broadband vibration absorption. In this paper, an Active Mass Damper (AMD) is presented to eliminate broadband vibration. The lowest frequencies are the main interest as they cause larger displacement. The AMD is tuned actively to match the first three resonance frequencies of a three story building model thus making it effective for a broadband vibration control. The tuning of AMD’s natural frequency is done using piezoelectric patch that effectively change its stiffness. Simulation studies on the performances of the AMD are shown. The optimal location of the AMD is also identified. The findings of this study shows reduction in all response of the individual floors at the resonance frequencies. 2011-05-17 Proceeding Paper PeerReviewed application/pdf en http://irep.iium.edu.my/3097/1/ICOM11-Design_and_Development_of_Active_mass.pdf Ladipo, Ismail and Abdul Muthalif, Asan Gani and Rozaime, Alif and Asyraf, Ahmad (2011) Design and development an active mass damper for broadband vibration control. In: 4th International Conference on Mechatronics (ICOM) , 17-19 May, 2011 , Kuala Lumpur. http://ieeexplore.ieee.org/search/srchabstract.jsp?tp=&arnumber=5937112&queryText%3Ddesign+and+development+of+an+active+mass+damper+for+broadband+vibration+control%26openedRefinements%3D*%26filter%3DAND%28NOT%284283010803%29%29%26searchField%3DSearch+All
spellingShingle TA Engineering (General). Civil engineering (General)
Ladipo, Ismail
Abdul Muthalif, Asan Gani
Rozaime, Alif
Asyraf, Ahmad
Design and development an active mass damper for broadband vibration control
title Design and development an active mass damper for broadband vibration control
title_full Design and development an active mass damper for broadband vibration control
title_fullStr Design and development an active mass damper for broadband vibration control
title_full_unstemmed Design and development an active mass damper for broadband vibration control
title_short Design and development an active mass damper for broadband vibration control
title_sort design and development an active mass damper for broadband vibration control
topic TA Engineering (General). Civil engineering (General)
url http://irep.iium.edu.my/3097/
http://irep.iium.edu.my/3097/
http://irep.iium.edu.my/3097/1/ICOM11-Design_and_Development_of_Active_mass.pdf