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Rotor model validation for an active magnetic bearing machining spindle using Mu-synthesis approach / Ryan J. Madden in Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 134 N° 9 (Septembre 2012) 

Public ISBD [article]  in Transactions of the ASME . Journal of engineering for gas turbines and power > Vol. 134 N° 9 (Septembre 2012) . - 06 p. Titre : Rotor model validation for an active magnetic bearing machining spindle using Mu-synthesis approach Type de document : texte imprimé Auteurs : Ryan J. Madden, Auteur ; Jerzy T. Sawicki, Auteur Année de publication : 2012 Article en page(s) : 06 p. Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Rotor  model  High-speed  machining  spindle  Active  magnetic  bearings  µ-synthesis Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : Model-based identification and µ-synthesis are employed for model updating of the rotor for a high-speed machining spindle supported on active magnetic bearings. The experimentally validated model is compared with a nominal engineering model to identify the unmodeled dynamics. The extracted missing dynamics from the nominal rotor model provides engineering insight into an effective model correction strategy. The corrected rotor model is validated by successful implementation of a number of µ-synthesized controllers, providing robust and stable levitation of the spindle over its entire operating speed range. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JETPEZ000134000009 [...] [article] Rotor model validation for an active magnetic bearing machining spindle using Mu-synthesis approach [texte imprimé] / Ryan J. Madden, Auteur ; Jerzy T. Sawicki, Auteur . - 2012 . - 06 p. Génie mécanique Langues : Anglais (eng) in Transactions of the ASME . Journal of engineering for gas turbines and power > Vol. 134 N° 9 (Septembre 2012) . - 06 p. Mots-clés : Rotor  model  High-speed  machining  spindle  Active  magnetic  bearings  µ-synthesis Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : Model-based identification and µ-synthesis are employed for model updating of the rotor for a high-speed machining spindle supported on active magnetic bearings. The experimentally validated model is compared with a nominal engineering model to identify the unmodeled dynamics. The extracted missing dynamics from the nominal rotor model provides engineering insight into an effective model correction strategy. The corrected rotor model is validated by successful implementation of a number of µ-synthesized controllers, providing robust and stable levitation of the spindle over its entire operating speed range. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JETPEZ000134000009 [...]