Volume 7, Issue 1, February 2019, Page: 17-25
Magnetically Levitated Linear Drive with Repulsive Magnetic Guidance
Markus Raab, Institute of Design and Production in Precision Engineering, University Stuttgart, Stuttgart, Germany
Bernd Gundelsweiler, Institute of Design and Production in Precision Engineering, University Stuttgart, Stuttgart, Germany
Wolfgang Schinköthe, Institute of Design and Production in Precision Engineering, University Stuttgart, Stuttgart, Germany
Received: Feb. 15, 2019;       Accepted: Mar. 28, 2019;       Published: Apr. 18, 2019
DOI: 10.11648/j.ijmea.20190701.13      View  111      Downloads  41
Abstract
Linear direct drives are often used when high performance is required, because of their high dynamic and their good position accuracy. Usually direct drives are used with linear rolling guidance. In clean room and vacuum applications linear rolling guidance cannot be used as particles can be cause problems. In this paper a magnetically levitated linear direct drive with a combination of repulsive permanent magnet stabilization and Lorentz force based stabilization is presented. With the joint use of magnet fields high dynamic can be achieved in combination with a cost efficient hardware. Due to the use of repulsive permanent magnet forces, it is possible to levitate an armature with nearly no power dissipation. An ad-hoc control reduces the power dissipation to a value less than 10 mW.
Keywords
Magnetic Levitation, Linear Direct Drive, Zero Power Levitation
To cite this article
Markus Raab, Bernd Gundelsweiler, Wolfgang Schinköthe, Magnetically Levitated Linear Drive with Repulsive Magnetic Guidance, International Journal of Mechanical Engineering and Applications. Vol. 7, No. 1, 2019, pp. 17-25. doi: 10.11648/j.ijmea.20190701.13
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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