Position sensor for active magnetic bearing with commercial linear optical encoders

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Mathias Tantau
  • Paul Morantz
  • Paul Shore

Organisationseinheiten

Externe Organisationen

  • National Physical Laboratory
  • Cranfield University
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)419-422
Seitenumfang4
FachzeitschriftCIRP Annals - Manufacturing Technology
Jahrgang70
Ausgabenummer1
Frühes Online-Datum19 Mai 2021
PublikationsstatusVeröffentlicht - 2021

Abstract

Active 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.

ASJC Scopus Sachgebiete

Zitieren

Position sensor for active magnetic bearing with commercial linear optical encoders. / Tantau, Mathias; Morantz, Paul; Shore, Paul.
in: CIRP Annals - Manufacturing Technology, Jahrgang 70, Nr. 1, 2021, S. 419-422.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Tantau M, Morantz P, Shore P. Position sensor for active magnetic bearing with commercial linear optical encoders. CIRP Annals - Manufacturing Technology. 2021;70(1):419-422. Epub 2021 Mai 19. doi: 10.15488/10978, 10.1016/j.cirp.2021.04.092
Tantau, Mathias ; Morantz, Paul ; Shore, Paul. / Position sensor for active magnetic bearing with commercial linear optical encoders. in: CIRP Annals - Manufacturing Technology. 2021 ; Jahrgang 70, Nr. 1. S. 419-422.
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