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An adaptive orientation misalignment calibration method for shoulder movements using inertial sensors : a feasibility study

Karunarathne, M. Sajeewani, Li, Saiyi, Ekanayake, Samitha W. and Pathirana, Pubudu N. 2015, An adaptive orientation misalignment calibration method for shoulder movements using inertial sensors : a feasibility study, in ISBB 2015 : Proceedings of the 4th International Symposium on Bioelectronics and Bioinformatics, IEEE, Piscataway, N.J., pp. 99-102, doi: 10.1109/ISBB.2015.7344933.

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Title An adaptive orientation misalignment calibration method for shoulder movements using inertial sensors : a feasibility study
Author(s) Karunarathne, M. Sajeewani
Li, Saiyi
Ekanayake, Samitha W.
Pathirana, Pubudu N.ORCID iD for Pathirana, Pubudu N. orcid.org/0000-0001-8014-7798
Conference name Bioelectronics and Bioinformatics. International Symposium (4th : 2015 : Beijing, China)
Conference location Beijing, China
Conference dates 14-17 Oct. 2010
Title of proceedings ISBB 2015 : Proceedings of the 4th International Symposium on Bioelectronics and Bioinformatics
Publication date 2015
Start page 99
End page 102
Total pages 4
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) inertial sensor orientation calibration
shoulder exercises
accelerometer
gyroscope
curvature
Summary Qualitative assessment of the progress in physical rehabilitation largely depends on accurate measurement of the range of movements and other kinematic parameters. In clinical practice, wearable inertial sensors have proved to be a potential candidate for such measurements, over the traditional marker based optical systems due to cost and space considerations. The accuracy of wearable sensors have a significant dependence on the initial orientation calibration and the assumption that the sensor will not slip or move with respect to the attached limb. This article introduces a novel calibration algorithm to correct initial orientation misalignment, as well as to track and correct subsequent alignment errors progressively throughout the experiment. The theoretical assertions are validated through controlled experiments with simulated accelerometer and gyroscope measurements.
ISBN 9781467366076
Language eng
DOI 10.1109/ISBB.2015.7344933
Field of Research 090399 Biomedical Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080338

Document type: Conference Paper
Collection: School of Engineering
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