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Ground angle estimator from an ankle foot orthosis based on strain sensing and Fourier series
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Intelligenta system (IS-lab).
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Intelligenta system (IS-lab).
2008 (Engelska)Ingår i: IEEE International Conference on Mechatronics and Automation, 2008. ICMA 2008, Piscataway, N.J.: IEEE Press, 2008, s. 203-206Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A ground angle estimation technique for use on ankle-foot-orthosis AFO, during gait is proposed. Strain gauge sensors were mounted on a foot orthosis in order to give information about strain in the sagittal plane. The ankle angle of the orthosis was fixed. Strain characteristics were therefore changed when walking on slopes. It was investigated if strain information could be used for detection of inclination and estimation of inclination angle. With a Fourier series representation of the strain during a gait cycle, ground angle at different walking speeds and inclinations could be estimated with similar accuracy as previous studies using kinematically based estimators. This indicates that embedded strain sensors can be used for online control of future orthoses with inclination adaptation.

Ort, förlag, år, upplaga, sidor
Piscataway, N.J.: IEEE Press, 2008. s. 203-206
Nyckelord [en]
Fourier series, ankle foot orthosis, gait cycle, ground angle estimation, strain gauge sensors
Nationell ämneskategori
Reglerteknik
Identifikatorer
URN: urn:nbn:se:hh:diva-1789DOI: 10.1109/ICMA.2008.4798752ISI: 000267671500037Scopus ID: 2-s2.0-65349119316Lokalt ID: 2082/2184ISBN: 978-1-4244-2632-4 OAI: oai:DiVA.org:hh-1789DiVA, id: diva2:239007
Konferens
IEEE International Conference on Mechatronics and Automation Location, Takamatsu, JAPAN, 5-8 August, 2008
Anmärkning

©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Tillgänglig från: 2008-08-21 Skapad: 2008-08-21 Senast uppdaterad: 2018-03-23Bibliografiskt granskad

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Svensson, WolfgangHolmberg, Ulf

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