Smart lighting protection skin using QTC pills for aircraft realtime load monitoring

For real-time load monitoring, we present a new smart lighting protection skin using resistive touchpad techniques that covers measuring objects with a flexible sheet composed of multiple tiny sensors. We measured loading from off-plate direction, including quasi-static indentation and dynamic impac...

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Autores principales:	Yoshiro SUZUKI, Toyoaki SUZUKI, Akira TODOROKI, Yoshihiro MIZUTANI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2014
Materias:	smart material sensor composite material Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/062bef1aa1ba43c8b175db8b88e2c541
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id	oai:doaj.org-article:062bef1aa1ba43c8b175db8b88e2c541
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spelling	oai:doaj.org-article:062bef1aa1ba43c8b175db8b88e2c5412021-11-26T06:09:52ZSmart lighting protection skin using QTC pills for aircraft realtime load monitoring2187-974510.1299/mej.2014smm0030https://doaj.org/article/062bef1aa1ba43c8b175db8b88e2c5412014-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/1/4/1_2014smm0030/_pdf/-char/enhttps://doaj.org/toc/2187-9745For real-time load monitoring, we present a new smart lighting protection skin using resistive touchpad techniques that covers measuring objects with a flexible sheet composed of multiple tiny sensors. We measured loading from off-plate direction, including quasi-static indentation and dynamic impact. We believe our method is suitable for load monitoring of composite aircraft structures. A metal film or mesh coving the fiber composite components of our system acts as both the load sensor and wiring, and a lightning protection shield (LPS). The sheet consists of an upper LPS layer and a lower layer, with multiple pressure-sensitive elastomer pills arranged between layers. The lower layer is a grid consisting of high-electrical-resistance nichrome wires and low-resistance copper wires. The pressure-sensitive pill becomes conductive when compressed. When the sensor sheet is indented, a compressed pill creates a new electrical path between the two layers and the electrical potential equalizes at that point. This event triggers the application of a potential across the nichrome wires that form the x axis, enabling measurement of the x coordinate. The orthogonal potential gradient is then applied to the lower layer so that the y coordinate can be measured. The x and y coordinates are recorded quickly and describe the quasi-static load point with an error of 29 mm or less. Additionally, we can estimate the peak value of the impact load by measuring the electrical resistance of the pressure-sensitive pill with an error of 17 %.Yoshiro SUZUKIToyoaki SUZUKIAkira TODOROKIYoshihiro MIZUTANIThe Japan Society of Mechanical Engineersarticlesmart materialsensorcomposite materialMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 1, Iss 4, Pp SMM0030-SMM0030 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	smart material sensor composite material Mechanical engineering and machinery TJ1-1570
spellingShingle	smart material sensor composite material Mechanical engineering and machinery TJ1-1570 Yoshiro SUZUKI Toyoaki SUZUKI Akira TODOROKI Yoshihiro MIZUTANI Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
description	For real-time load monitoring, we present a new smart lighting protection skin using resistive touchpad techniques that covers measuring objects with a flexible sheet composed of multiple tiny sensors. We measured loading from off-plate direction, including quasi-static indentation and dynamic impact. We believe our method is suitable for load monitoring of composite aircraft structures. A metal film or mesh coving the fiber composite components of our system acts as both the load sensor and wiring, and a lightning protection shield (LPS). The sheet consists of an upper LPS layer and a lower layer, with multiple pressure-sensitive elastomer pills arranged between layers. The lower layer is a grid consisting of high-electrical-resistance nichrome wires and low-resistance copper wires. The pressure-sensitive pill becomes conductive when compressed. When the sensor sheet is indented, a compressed pill creates a new electrical path between the two layers and the electrical potential equalizes at that point. This event triggers the application of a potential across the nichrome wires that form the x axis, enabling measurement of the x coordinate. The orthogonal potential gradient is then applied to the lower layer so that the y coordinate can be measured. The x and y coordinates are recorded quickly and describe the quasi-static load point with an error of 29 mm or less. Additionally, we can estimate the peak value of the impact load by measuring the electrical resistance of the pressure-sensitive pill with an error of 17 %.
format	article
author	Yoshiro SUZUKI Toyoaki SUZUKI Akira TODOROKI Yoshihiro MIZUTANI
author_facet	Yoshiro SUZUKI Toyoaki SUZUKI Akira TODOROKI Yoshihiro MIZUTANI
author_sort	Yoshiro SUZUKI
title	Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
title_short	Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
title_full	Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
title_fullStr	Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
title_full_unstemmed	Smart lighting protection skin using QTC pills for aircraft realtime load monitoring
title_sort	smart lighting protection skin using qtc pills for aircraft realtime load monitoring
publisher	The Japan Society of Mechanical Engineers
publishDate	2014
url	https://doaj.org/article/062bef1aa1ba43c8b175db8b88e2c541
work_keys_str_mv	AT yoshirosuzuki smartlightingprotectionskinusingqtcpillsforaircraftrealtimeloadmonitoring AT toyoakisuzuki smartlightingprotectionskinusingqtcpillsforaircraftrealtimeloadmonitoring AT akiratodoroki smartlightingprotectionskinusingqtcpillsforaircraftrealtimeloadmonitoring AT yoshihiromizutani smartlightingprotectionskinusingqtcpillsforaircraftrealtimeloadmonitoring
_version_	1718409759799902208

Smart lighting protection skin using QTC pills for aircraft realtime load monitoring

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