Design of a wireless active sensing unit for localized structural health monitoring

Show simple item record

dc.contributor.author Lynch, Jerome Peter en_US
dc.date.accessioned 2006-09-20T15:03:07Z
dc.date.available 2006-09-20T15:03:07Z
dc.date.issued 2005-07 en_US
dc.identifier.citation Lynch, Jerome Peter (2005)."Design of a wireless active sensing unit for localized structural health monitoring." Structural Control and Health Monitoring 12(3-4): 405-423. <http://hdl.handle.net/2027.42/48702> en_US
dc.identifier.issn 1545-2255 en_US
dc.identifier.issn 1545-2263 en_US
dc.identifier.uri http://hdl.handle.net/2027.42/48702
dc.description.abstract The recent years have witnessed an increasing interest in using wireless structural monitoring as a low-cost alternative to tethered monitoring systems. Previous work considered wireless sensors strictly as passive elements in the monitoring system, responsible only for collection of response measurements. This paper explores expansion of the wireless structural monitoring paradigm by including actuation capabilities in the design of a wireless active sensing unit. To validate the performance of the prototype unit in structural health monitoring applications, an aluminum plate monitored by piezoelectric active sensors is used. Piezoelectric actuators mounted to the surface of the plate are commanded by the wireless active sensing unit to excite and record the element. System identification models are then used to model the linear relationship between the input excitation and the corresponding plate response. A novel damage detection methodology is proposed that uses the characteristic equation roots obtained from an autoregressive with exogenous input time-series model. Complex roots (poles) of the model's characteristic equation are sensitive to structural damage causing a change in their location on the complex plane. Using the mean value of pole clusters, the migration of model poles are shown to be well correlated to the severity of crack damage intentionally introduced in the plate. Copyright © 2005 John Wiley & Sons, Ltd. en_US
dc.format.extent 401188 bytes
dc.format.extent 3118 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.language.iso en_US
dc.publisher John Wiley & Sons, Ltd. en_US
dc.subject.other Engineering en_US
dc.subject.other Civil and Mechanical Engineering en_US
dc.title Design of a wireless active sensing unit for localized structural health monitoring en_US
dc.type Article en_US
dc.rights.robots IndexNoFollow en_US
dc.subject.hlbtoplevel Health Sciences en_US
dc.description.peerreviewed Peer Reviewed en_US
dc.contributor.affiliationum Department of Civil and Environmental Engineering, University of Michigan, U.S.A. ; Department of Civil and Environmental Engineering, University of Michigan, 2328 G. G. Brown Building, Ann Arbor, MI 48109-2126. U.S.A. en_US
dc.description.bitstreamurl http://deepblue.lib.umich.edu/bitstream/2027.42/48702/1/77_ftp.pdf en_US
dc.identifier.doi http://dx.doi.org/10.1002/stc.77 en_US
dc.identifier.source Structural Control and Health Monitoring en_US
dc.owningcollname Interdisciplinary and Peer-Reviewed
 Show simple item record

This item appears in the following Collection(s)


Search Deep Blue

Advanced Search

Browse by

My Account

Information

Available Now


MLibrary logo