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dc.contributor.authorVan Schoor, George
dc.contributor.authorVan Vuuren, Pieter Andries
dc.contributor.authorVenter, Willem Christiaan
dc.identifier.citationVan Vuuren, P.A. et al. 2011. LTI modelling of active magnetic bearings by means of system identification. Africa research journal, 102(3):66-75. [):]en_US
dc.description.abstractA relatively unknown phenomenon in active magnetic bearings (AMBs) is that the frequency content of their rotor position signal can induce nonlinear behaviour in the bearings. The existence of such frequency-induced nonlinear behaviour is experimentally and theoretically confirmed. Frequency-induced nonlinearity is characterised by means of a novel graphical representation. The resultant graph is quite useful in the specification of suitable excitation signals when AMBs are to be modelled by means of system identification.en_US
dc.publisherSAIEE Publicationsen_US
dc.subjectActive magnetic bearingsen_US
dc.subjectsystem identificationen_US
dc.titleLTI modelling of active magnetic bearings by means of system identificationen_US

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