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dc.contributor.authorKruger, Gert L.
dc.contributor.authorVan Schoor, George
dc.contributor.authorVan Vuuren, Pieter A.
dc.identifier.citationKruger, G.L. et al. 2017. Pseudo-magnetic centre identification of an active magnetic bearing for sensorless drive control start-up. IFAC-PapersOnLine, 50(1):4837-4842. []en_US
dc.description.abstractA method of identifying runout of an active magnetic bearing at standstill and low speed is presented. The on-line current bias injection method found in literature is improved, but is still found to converge too slowly for sinusoidal tracking. A new method which approximates the deviation from the magnetic centre using a disturbance force observer is presented and tested on an experimental fly-wheel AMB system. The new on-line method is fast enough for real-time tracking of the magnetic centre deviation. The estimated angle derived from the pseudo-magnetic centre was successfully utilized for start-up of the drive’s sensorless vector controlen_US
dc.subjectRunout identificationen_US
dc.subjectMagnetic bearingsen_US
dc.subjectSensorless vector controlen_US
dc.titlePseudo-magnetic centre identification of an active magnetic bearing for sensorless drive control start-upen_US
dc.contributor.researchID12134457 - Van Schoor, George
dc.contributor.researchID10732926 - Van Vuuren, Pieter Andries

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