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Paper Abstract and Keywords
Presentation 2014-03-17 10:50
A Study on Measurement of Lower Limb Angles with Inertial Sensors -- Evaluation with Healthy Subjects in Normal Gait and Circumduction Gait --
Yuta Teruyama, Takashi Watanabe (Tohoku Univ.) MBE2013-118
Abstract (in Japanese) (See Japanese page) 
(in English) In our research group, a measurement system of lower limb angles was developed using inertial sensors. The developed system calculated angles based on integration of the angular velocity component of the one axis corresponding to the movement. The angle measurement method showed practical measurement accuracy in measurement of lower limb angles during walking of healthy subjects. However, measurement accuracy of 3 dimensional movements such as circumduction gait of hemiplegic patients has not been studied. In this paper, an angle measurement method based on quaternion, in which three axes components of angular velocity were used, was introduced to realize practical measurement of movements of gait with stable measurement accuracy. Measurement of normal and circummaduction gaits of healthy subjects using inertial sensors and 3D motion analysis system showed effectiveness of the quaternion based method for 3D gait measurement in comparison to the conventional method based on integral of angular velocity.
Keyword (in Japanese) (See Japanese page) 
(in English) Inertial Sensor / Gait / Angle / Rehabilitation / Kalman Filter / Quaternion / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 499, MBE2013-118, pp. 19-24, March 2014.
Paper # MBE2013-118 
Date of Issue 2014-03-10 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MBE2013-118

Conference Information
Committee NC MBE  
Conference Date 2014-03-17 - 2014-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2014-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Measurement of Lower Limb Angles with Inertial Sensors 
Sub Title (in English) Evaluation with Healthy Subjects in Normal Gait and Circumduction Gait 
Keyword(1) Inertial Sensor  
Keyword(2) Gait  
Keyword(3) Angle  
Keyword(4) Rehabilitation  
Keyword(5) Kalman Filter  
Keyword(6) Quaternion  
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Keyword(8)  
1st Author's Name Yuta Teruyama  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Takashi Watanabe  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2014-03-17 10:50:00 
Presentation Time 20 minutes 
Registration for MBE 
Paper # MBE2013-118 
Volume (vol) vol.113 
Number (no) no.499 
Page pp.19-24 
#Pages 6 
Date of Issue 2014-03-10 (MBE) 

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