Development of a microelectromechanical system (MEMS)-based multisensor platform for environmental monitoring

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dc.contributor.authorHautefeuille, Mathieu
dc.contributor.authorO'Flynn, Brendan
dc.contributor.authorPeters, Frank H.
dc.contributor.authorO'Mahony, Conor
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2012-01-10T17:23:40Z
dc.date.available2012-01-10T17:23:40Z
dc.date.issued2011-11
dc.date.updated2012-01-10T17:13:18Z
dc.description.abstractRecent progress in data processing, communications and electronics miniaturization is now enabling the development of low-cost wireless sensor networks (WSN), which consist of spatially distributed autonomous sensor modules that collaborate to monitor real-time environmental conditions unobtrusively and with appropriate levels of spatial and temporal granularity. Recent and future applications of this technology range from preventative maintenance and quality control to environmental modelling and failure analysis. In order to fabricate these low-cost, low-power reliable monitoring platforms, it is necessary to improve the level of sensor integration available today. This paper outlines the microfabrication and characterization results of a multifunctional multisensor unit. An existing fabrication process for Complementary Metal Oxide Semiconductor CMOS-compatible microelectromechanical systems (MEMS) structures has been modified and extended to manufacture temperature, relative humidity, corrosion, gas thermal conductivity, and gas flow velocity sensors on a single silicon substrate. A dedicated signal conditioning circuit layer has been built around this MEMS multisensor die for integration on an existing low-power WSN module. The final unit enables accurate readings and cross-sensitivity compensation thanks to a combination of simultaneous readings from multiple sensors. Real-time communication to the outside world is ensured via radio-frequency protocols, and data collection in a serial memory is also made possible for diagnostics applications.en
dc.description.sponsorshipScience Foundation Ireland (Centre for Telecommunications Value-Chain Research); Science Foundation Ireland (CSET - Centre for Science, Engineering and Technology, Grant No. 07/CE/11147)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHautefeuille, Mathieu;O'Flynn, Brendan;Peters, Frank H.;O'Mahony, Conor (2011) 'Development of a Microelectromechanical System (MEMS)-Based Multisensor Platform for Environmental Monitoring'. Micromachines, 2 (44):410-430410.en
dc.identifier.doi10.3390/mi2040410
dc.identifier.endpage430410en
dc.identifier.issn2072-666X
dc.identifier.issued44en
dc.identifier.journaltitleMicromachinesen
dc.identifier.startpage410en
dc.identifier.urihttps://hdl.handle.net/10468/490
dc.identifier.volume2en
dc.language.isoenen
dc.publisherMDPI Publishingen
dc.relation.urihttp://www.mdpi.com/2072-666X/2/4/410/
dc.rights© 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license.en
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectMEMSen
dc.subjectMicrosensorsen
dc.subjectReliabilityen
dc.subjectCross-correlationen
dc.subject.lcshMicroelectromechanical systemsen
dc.subject.lcshWireless sensor networksen
dc.subject.lcshTelecommunicationsen
dc.titleDevelopment of a microelectromechanical system (MEMS)-based multisensor platform for environmental monitoringen
dc.typeArticle (peer-reviewed)en
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