Position sensor for active magnetic bearing with commercial linear optical encoders

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dc.contributor.authorTantau, Mathias
dc.contributor.authorMorantz, Paul
dc.contributor.authorShore, Paul
dc.date.accessioned2021-07-29T12:30:49Z
dc.date.available2021-07-29T12:30:49Z
dc.date.issued2021-05-19
dc.description.abstractActive magnetic bearings are used in a number of applications but their disadvantage is the high asynchronous error due to sensor noise amplification. In this paper a new radial position sensor for active magnetic bearings (AMB) based on linear optical encoders is presented. A commercial encoder scanning head faces a round scale with concentric, coplanar lines on its face. Because such a scale is not readily available, it is made by high precision micro machining and different options are compared. In experiments a measurement noise of 3.5 nm at 10 kHz bandwidth is achieved. In addition, a magnetic bearing is built to demonstrate the sensor in closed-loop.en_UK
dc.identifier.citationTantau M, Morantz P, Shore P. (2021) Position sensor for active magnetic bearing with commercial linear optical encoders. CIRP Annals - Manufacturing Technology, Volume 70, Issue 1, 2021, pp. 419-422en_UK
dc.identifier.issn0007-8506
dc.identifier.urihttps://doi.org/10.1016/j.cirp.2021.04.092
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/16947
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectMagnetic bearingen_UK
dc.subjectEncoderen_UK
dc.subjectMicro machiningen_UK
dc.titlePosition sensor for active magnetic bearing with commercial linear optical encodersen_UK
dc.typeArticleen_UK

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