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| Presentation | 2010-11-12 10:00 Study on Magnet Energy Calculation of Permanent Magnet Actuator Wang Wei, Wu Jianwen, Feng Ying (Beijing Univ. of Aeronautics and Astronautics)  EMD2010-103 Link to ES Tech. Rep. Archives: EMD2010-103 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The stored magnet energy density of air and soft magnetic materials which has the zero residual magnetization is 1/2BH. In the operation experiment process of permanent magnet actuator (PMA), non-conservation of system energy is found when 1/2BH is applied to calculate the stored magnetic energy density of the permanent magnet. Afterwards the magnetic field energy expression of permanent magnet is derived from both when work is done by external force and when the excited current change the operation point of permanent magnet. It shows that the stored magnet energy density is the triangle area in B-H plane which consists of Br point, operation point and the pedal from work point to B axis. And it shows that it is an special case that the stored magnet energy density of air and soft magnetic materials which has zero residual magnetization is 1/2BH. And the corresponding physical meanings are clarified. Afterwards, the superposition principle is applied to derive the magnet energy calculation method of permanent magnet, which is simple and has a clear physical meanings. This energy expression is used to analyze the dynamic process of the PMA theoretically and the experimental analysis is applied. The stored magnetic energy expression is verified by the experimental results. This method provides the foundation of the optimal design of permanent magnetic actuator. And the confusion over the stored magnet energy of permanent , which is generally considered as 1/2BH」ャis clarified. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Format permanent magnet / stored energy / dynamic process / permanent magnet actuator / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 270, EMD2010-103, pp. 151-154, Nov. 2010. | |
| Paper # | EMD2010-103 | |
| Date of Issue | 2010-11-04 (EMD) | |
| 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 | EMD2010-103 Link to ES Tech. Rep. Archives: EMD2010-103 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2010-11-11 - 2010-11-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Xi'an Jiaotong University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | IS-EMD2010 (10th International Session in Electro-Mechanical Devices) |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2010-11-EMD |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Magnet Energy Calculation of Permanent Magnet Actuator |
| Sub Title (in English) | |
| Keyword(1) | Format permanent magnet |
| Keyword(2) | stored energy |
| Keyword(3) | dynamic process |
| Keyword(4) | permanent magnet actuator |
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| 1st Author's Name | Wang Wei |
| 1st Author's Affiliation | Beijing University of Aeronautics and Astronautics (Beijing Univ. of Aeronautics and Astronautics) |
| 2nd Author's Name | Wu Jianwen |
| 2nd Author's Affiliation | Beijing University of Aeronautics and Astronautics (Beijing Univ. of Aeronautics and Astronautics) |
| 3rd Author's Name | Feng Ying |
| 3rd Author's Affiliation | Beijing University of Aeronautics and Astronautics (Beijing Univ. of Aeronautics and Astronautics) |
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| Speaker | Author-1 |
| Date Time | 2010-11-12 10:00:00 |
| Presentation Time | 15 minutes |
| Registration for | EMD |
| Paper # | EMD2010-103 |
| Volume (vol) | vol.110 |
| Number (no) | no.270 |
| Page | pp.151-154 |
| #Pages | 4 |
| Date of Issue | 2010-11-04 (EMD) |
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