NDLI: Modified Pendulum Model for Mean Step Length Estimation

Content Provider	IEEE Xplore Digital Library
Author	Gonzalez, R.C. Alvarez, D. Lopez, A.M. Alvarez, J.C.
Copyright Year	2007
Description	Author affiliation: Univ. of Oviedo, Gijon (Gonzalez, R.C.; Alvarez, D.; Lopez, A.M.; Alvarez, J.C.)
Abstract	Step length estimation is an important issue in areas such as gait analysis, sport training or pedestrian localization. It has been shown that the mean step length can be computed by means of a triaxial accelerometer placed near the center of gravity of the human body. Estimations based on the inverted pendulum model are prone to underestimate the step length, and must be corrected by calibration. In this paper we present a modified pendulum model in which all the parameters correspond to anthropometric data of the individual. The method has been tested with a set of volunteers, both males and females. Experimental results show that this method provides an unbiased estimation of the actual displacement with a standard deviation lower than 2.1%.
Starting Page	1371
Ending Page	1374
File Size	761901
Page Count	4
File Format	PDF
ISBN	9781424407873
ISSN	1557170X
DOI	10.1109/IEMBS.2007.4352553
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Foot Phase estimation Hip Accelerometers Gravity Biological system modeling Calibration Legged locomotion Leg Humans
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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