Design method of joint stiffness for simultaneous placement of multiple resonance frequencies

It is necessary to separate the multiple resonance frequencies of a vehicle body from outstanding peaks of excitation spectrum to reduce the road induced noise of cars. A vehicle body is always excited by the transmitted forces from a chassis system, and worse the transmitted forces change in real t...

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Main Authors: Yuichi MATSUMURA, Hironori OZAKI, Masashi KOMADA, Kohei FURUYA
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2020-02-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/86/883/86_19-00290/_pdf/-char/en
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author Yuichi MATSUMURA
Hironori OZAKI
Masashi KOMADA
Kohei FURUYA
author_facet Yuichi MATSUMURA
Hironori OZAKI
Masashi KOMADA
Kohei FURUYA
author_sort Yuichi MATSUMURA
collection DOAJ
description It is necessary to separate the multiple resonance frequencies of a vehicle body from outstanding peaks of excitation spectrum to reduce the road induced noise of cars. A vehicle body is always excited by the transmitted forces from a chassis system, and worse the transmitted forces change in real time with road surfaces. Therefore, we suggest that semi-active control of the vibration characteristics of a car body is useful for reducing road induced noise of cars. In this paper, we derived a design method of joint stiffness for simultaneous placement of multiple resonance frequencies. Specifically, we have focused our efforts to make an eigenvalue of a kernel compliance matrix to zero at the assigned natural frequencies by changing the joint stiffness connecting a main system and a subsystem. Consequently, it is enabled to control the multiple resonance frequencies of a whole structure with low computational cost.
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spelling doaj.art-c9ad11e2009d4e118be160987b09034f2022-12-22T02:52:21ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612020-02-018688319-0029019-0029010.1299/transjsme.19-00290transjsmeDesign method of joint stiffness for simultaneous placement of multiple resonance frequenciesYuichi MATSUMURA0Hironori OZAKI1Masashi KOMADA2Kohei FURUYA3Department of Mechanical Engineering, Gifu UniversityEnergy Engineering Division, Graduate School of Gifu UniversityMechanical and Civil Engineering Division, Graduate School of Gifu UniversityDepartment of Mechanical Engineering, Gifu UniversityIt is necessary to separate the multiple resonance frequencies of a vehicle body from outstanding peaks of excitation spectrum to reduce the road induced noise of cars. A vehicle body is always excited by the transmitted forces from a chassis system, and worse the transmitted forces change in real time with road surfaces. Therefore, we suggest that semi-active control of the vibration characteristics of a car body is useful for reducing road induced noise of cars. In this paper, we derived a design method of joint stiffness for simultaneous placement of multiple resonance frequencies. Specifically, we have focused our efforts to make an eigenvalue of a kernel compliance matrix to zero at the assigned natural frequencies by changing the joint stiffness connecting a main system and a subsystem. Consequently, it is enabled to control the multiple resonance frequencies of a whole structure with low computational cost.https://www.jstage.jst.go.jp/article/transjsme/86/883/86_19-00290/_pdf/-char/enroad induced noiseresonance frequencyfrequency responsemodal analysiskernel compliance analysis
spellingShingle Yuichi MATSUMURA
Hironori OZAKI
Masashi KOMADA
Kohei FURUYA
Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
Nihon Kikai Gakkai ronbunshu
road induced noise
resonance frequency
frequency response
modal analysis
kernel compliance analysis
title Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
title_full Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
title_fullStr Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
title_full_unstemmed Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
title_short Design method of joint stiffness for simultaneous placement of multiple resonance frequencies
title_sort design method of joint stiffness for simultaneous placement of multiple resonance frequencies
topic road induced noise
resonance frequency
frequency response
modal analysis
kernel compliance analysis
url https://www.jstage.jst.go.jp/article/transjsme/86/883/86_19-00290/_pdf/-char/en
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AT masashikomada designmethodofjointstiffnessforsimultaneousplacementofmultipleresonancefrequencies
AT koheifuruya designmethodofjointstiffnessforsimultaneousplacementofmultipleresonancefrequencies