Analysis of orientation error of triaxial accelerometers on the assessment of energy expenditure

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dc.contributor.author Wang, Lu en_US
dc.contributor.author Su, Steven en_US
dc.contributor.author Celler, Branko en_US
dc.contributor.author Ambikairajah, E. en_US
dc.contributor.editor IEEE Engineering in Medicine and Biology Society en_US
dc.date.accessioned 2010-05-28T10:01:51Z
dc.date.available 2010-05-28T10:01:51Z
dc.date.issued 2005 en_US
dc.identifier 2008003291 en_US
dc.identifier.citation Wang Lu et al. 2005, 'Analysis of orientation error of triaxial accelerometers on the assessment of energy expenditure', IEEE, Shanghai, China, pp. 3514-3517. en_US
dc.identifier.issn 0-7803-8741-4 en_US
dc.identifier.other E1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/11103
dc.description.abstract This paper investigates the effects of orientation error in the positioning of triaxial accelerometers on the assessment of energy expenditure. Four subjects walked on a treadmill at varying velocities ranging from 4km.h-1 to 5km.h-1 . During each test, a triaxial accelerometer attached to the lower back at arbitrary orientations to record body accelerations. Energy expenditure was estimated by the sum of the integrals of the absolute value of accelerometer output from all the three measurement directions. Based on theoretical analysis and experimental observations, it is concluded that small orientation errors (<3deg) have no distinguishable effects on the estimation of energy expenditure. We propose an efficient method to compensate for larger orientation errors. The experimental results verified the effectiveness of this proposed compensation method en_US
dc.language en_US
dc.publisher IEEE en_US
dc.relation.hasversion Accepted manuscript version
dc.relation.isbasedon http://dx.doi.org/10.1109/IEMBS.2005.1617237 en_US
dc.title Analysis of orientation error of triaxial accelerometers on the assessment of energy expenditure en_US
dc.parent Proceedings of the 27th Annual International Conference of the Engineering in Medicine and Biology Society en_US
dc.journal.volume en_US
dc.journal.number en_US
dc.publocation Shanghai, China en_US
dc.identifier.startpage 3514 en_US
dc.identifier.endpage 3517 en_US
dc.cauo.name CHT Research Strength Core en_US
dc.conference Verified OK en_US
dc.for 090303 en_US
dc.personcode 0000035738 en_US
dc.personcode 997723 en_US
dc.personcode 100180 en_US
dc.personcode 0000049329 en_US
dc.percentage 100 en_US
dc.classification.name Biomedical Instrumentation en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom IEEE Engineering in Medicine and Biology Society Annual Conference en_US
dc.date.activity 20050901 en_US
dc.location.activity Shanghai, China en_US
dc.description.keywords accelerometers gait analysis medical signal processing en_US


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