Active control of sound transmission through a honeycomb panel with feedforward and feedback control

This paper deals with the active control of sound transmission through a rectangular honeycomb panel. The authors have proposed an effective control method using point force actuators and PVDF film sensors to suppress the transmitted sound power through a thin flexible panel in a low-frequency range...

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Autores principales:	Akira SANADA, Nobuo TANAKA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	active sound transmission control feedforward control direct velocity feedback control pvdf film sensor point force actuator honeycomb panel Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/225b90c2b5124003b0252cc3b829089d
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spelling	oai:doaj.org-article:225b90c2b5124003b0252cc3b829089d2021-11-26T06:58:33ZActive control of sound transmission through a honeycomb panel with feedforward and feedback control2187-974510.1299/mej.16-00466https://doaj.org/article/225b90c2b5124003b0252cc3b829089d2016-11-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/6/3_16-00466/_pdf/-char/enhttps://doaj.org/toc/2187-9745This paper deals with the active control of sound transmission through a rectangular honeycomb panel. The authors have proposed an effective control method using point force actuators and PVDF film sensors to suppress the transmitted sound power through a thin flexible panel in a low-frequency range before. With the proposed method, the frequency range in which the control effect can be obtained depends on the natural frequency of the panel since the method can control the lowest three odd/odd structural modes. Therefore, in order to make the control frequency range higher, a honeycomb panel, which has high strength-to-weight ratio, is used as a target panel in this study. However, when the honeycomb panel is used, the characteristics of sound transmission are totally changed and then the control effect decreases around even/odd, odd/even and even/even mode frequencies. Hence, in this study, active control method comprising both feedforward and feedback control is investigated theoretically and experimentally. The direct velocity feedback control is added to the previously proposed SISO feedforward control system in order to suppress resonances of the even order vibration modes. The results show that the feedback control can improve the control effect around even order structural mode frequencies and that the proposed control method using a honeycomb panel is capable of proceeding the significant control effect for improving the sound insulation property over a wide frequency range.Akira SANADANobuo TANAKAThe Japan Society of Mechanical Engineersarticleactive sound transmission controlfeedforward controldirect velocity feedback controlpvdf film sensorpoint force actuatorhoneycomb panelMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 6, Pp 16-00466-16-00466 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	active sound transmission control feedforward control direct velocity feedback control pvdf film sensor point force actuator honeycomb panel Mechanical engineering and machinery TJ1-1570
spellingShingle	active sound transmission control feedforward control direct velocity feedback control pvdf film sensor point force actuator honeycomb panel Mechanical engineering and machinery TJ1-1570 Akira SANADA Nobuo TANAKA Active control of sound transmission through a honeycomb panel with feedforward and feedback control
description	This paper deals with the active control of sound transmission through a rectangular honeycomb panel. The authors have proposed an effective control method using point force actuators and PVDF film sensors to suppress the transmitted sound power through a thin flexible panel in a low-frequency range before. With the proposed method, the frequency range in which the control effect can be obtained depends on the natural frequency of the panel since the method can control the lowest three odd/odd structural modes. Therefore, in order to make the control frequency range higher, a honeycomb panel, which has high strength-to-weight ratio, is used as a target panel in this study. However, when the honeycomb panel is used, the characteristics of sound transmission are totally changed and then the control effect decreases around even/odd, odd/even and even/even mode frequencies. Hence, in this study, active control method comprising both feedforward and feedback control is investigated theoretically and experimentally. The direct velocity feedback control is added to the previously proposed SISO feedforward control system in order to suppress resonances of the even order vibration modes. The results show that the feedback control can improve the control effect around even order structural mode frequencies and that the proposed control method using a honeycomb panel is capable of proceeding the significant control effect for improving the sound insulation property over a wide frequency range.
format	article
author	Akira SANADA Nobuo TANAKA
author_facet	Akira SANADA Nobuo TANAKA
author_sort	Akira SANADA
title	Active control of sound transmission through a honeycomb panel with feedforward and feedback control
title_short	Active control of sound transmission through a honeycomb panel with feedforward and feedback control
title_full	Active control of sound transmission through a honeycomb panel with feedforward and feedback control
title_fullStr	Active control of sound transmission through a honeycomb panel with feedforward and feedback control
title_full_unstemmed	Active control of sound transmission through a honeycomb panel with feedforward and feedback control
title_sort	active control of sound transmission through a honeycomb panel with feedforward and feedback control
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/225b90c2b5124003b0252cc3b829089d
work_keys_str_mv	AT akirasanada activecontrolofsoundtransmissionthroughahoneycombpanelwithfeedforwardandfeedbackcontrol AT nobuotanaka activecontrolofsoundtransmissionthroughahoneycombpanelwithfeedforwardandfeedbackcontrol
_version_	1718409705507782656

Active control of sound transmission through a honeycomb panel with feedforward and feedback control

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