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| Presentation | 2014-11-22 15:10 Optimal Control Model of Human Squat Movement Mechanism Based on Successive Optimization Toshikazu Matsui, Masayoshi Motegi, Natsuki Tani (Gunma Univ.)  MBE2014-73 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A three-link and three-joint optimal control model to reproduce human squat movements has already been proposed. This model is characterized by successively optimizing the half-crouching process and the rising-up process of squat movements. However, this model has a difficulty in deriving the desired value of the state variable for optimizing the model’s half-crouching process. This research proposes a more advanced optimal control model through developing a mechanism to predict the value of the state variable at the switching time. Consequently, the following results are obtained: (1) the proposed model can predict the value of the state variable at the switching time as a linear function of the minimum height of the center of gravity at the same time; (2) the proposed model can successfully reproduce measured squat movements by using the predicted value of the state variable; (3) there exists the optimum switching time to minimize the model’s overall criterion function. These results suggest that the proposed model can be an effective and plausible model of the human squatting mechanism and that the switching time and the state variable of that time can be factors involved strongly in human squat movements. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Squat movement / Optimal control / Three-joint model / Switching time / State variable prediction / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 325, MBE2014-73, pp. 75-80, Nov. 2014. | |
| Paper # | MBE2014-73 | |
| Date of Issue | 2014-11-14 (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 | MBE2014-73 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2014-11-21 - 2014-11-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2014-11-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optimal Control Model of Human Squat Movement Mechanism Based on Successive Optimization |
| Sub Title (in English) | |
| Keyword(1) | Squat movement |
| Keyword(2) | Optimal control |
| Keyword(3) | Three-joint model |
| Keyword(4) | Switching time |
| Keyword(5) | State variable prediction |
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| Keyword(8) | |
| 1st Author's Name | Toshikazu Matsui |
| 1st Author's Affiliation | Gunma University (Gunma Univ.) |
| 2nd Author's Name | Masayoshi Motegi |
| 2nd Author's Affiliation | Gunma University (Gunma Univ.) |
| 3rd Author's Name | Natsuki Tani |
| 3rd Author's Affiliation | Gunma University (Gunma Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-11-22 15:10:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2014-73 |
| Volume (vol) | vol.114 |
| Number (no) | no.325 |
| Page | pp.75-80 |
| #Pages | 6 |
| Date of Issue | 2014-11-14 (MBE) |
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