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Estimation of traversed distance in level walking using a single Inertial Measurement Unit attached to the waist

Kose, Alper and Cereatti, Andrea and Della Croce, Ugo (2011) Estimation of traversed distance in level walking using a single Inertial Measurement Unit attached to the waist. In: EMBC 2011: 33rd Annual International Conference of the IEEE EMBC, 30 August - 3 September 2011, Boston (MA), USA. Piscataway, IEEE. p. 1125-1128. ISBN 978-1-4244-4121-1. Conference or Workshop Item.

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DOI: 10.1109/IEMBS.2011.6090263

Abstract

A method for estimating step length during level walking using a single inertial measurement unit is proposed. A combination of an optimally filtered direct and reverse integration technique and a velocity update technique for the initial velocity values identification was implemented to reduce the effects of the acceleration signals drift. The method takes advantage of the cyclic nature of gait. The inertial measurement unit was placed at waist level on the right side and the method was validated on eight subjects walking for 75 m while varying their speed. The traversed distance was estimated with an average error equal to 0.8% of the total walking distance.

Item Type:Conference or Workshop Item (Contribute)
ID Code:7635
Status:Published
Uncontrolled Keywords:Inertial measurement units (IMU), temporal and spatial gait parameters, estimation
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-INF/06 Bioingegneria elettronica e informatica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze biomediche
Publisher:IEEE
ISBN:978-1-4244-4121-1
Deposited On:29 May 2012 11:48

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