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Paper Abstract and Keywords
Presentation 2012-11-16 10:25
An Electronic Circuit Design that Controls Four-leg Animal Gaits
Hayate Kojima, Masahito Kubota, Tatsushi Domon (Niigata Univ.), Yasuyuki Suzuki, Taishin Nomura (Osaka Univ.), Yoshinobu Maeda (Niigata Univ.) MBE2012-46
Abstract (in Japanese) (See Japanese page) 
(in English) This paper addresses hardware modeling of replicating several walking patterns (gaits) observed in four-leg animals. They show a lot of gaits such as walk, trot, bound, etc., depending on their travel velocity. Mathematical modeling has been useful to replicate plausible oscillatory rhythms corresponding to the biological gaits. However, you have to change simultaneously many parameters in such models to switch on some gait from another. In this report, we reproduced four typical gaits (stand, pronk, walk and bound) by designing and constructing a network model using electronic circuits. The remarkable point was that the gait was switchable by an only single parameter in the hardware model. Furthermore, we regulated the bifurcation structure of the hardware model, to adjust to the typical bifurcations observed in the mathematical models.
Keyword (in Japanese) (See Japanese page) 
(in English) Hodgkin-Huxley equation / Hopf bifurcation / Gait / Negative resistance / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 297, MBE2012-46, pp. 5-10, Nov. 2012.
Paper # MBE2012-46 
Date of Issue 2012-11-09 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee MBE NC  
Conference Date 2012-11-16 - 2012-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) BCI/BMI, NC and MBE 
Paper Information
Registration To MBE 
Conference Code 2012-11-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Electronic Circuit Design that Controls Four-leg Animal Gaits 
Sub Title (in English)  
Keyword(1) Hodgkin-Huxley equation  
Keyword(2) Hopf bifurcation  
Keyword(3) Gait  
Keyword(4) Negative resistance  
1st Author's Name Hayate Kojima  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Masahito Kubota  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Tatsushi Domon  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Yasuyuki Suzuki  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Taishin Nomura  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Yoshinobu Maeda  
6th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2012-11-16 10:25:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2012-46 
Volume (vol) vol.112 
Number (no) no.297 
Page pp.5-10 
Date of Issue 2012-11-09 (MBE) 

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