Experiments on the transient performance of an adaptive multi-objective controller for rotating machinery

M Necip Sahinkaya, A H G Abulrub, Patrick S Keogh, Clifford R Burrows

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Abstract

This paper describes an experimental assessment of the transient performance of a multi-objective adaptive approach to the control of flexible rotors. This is applicable to any arrangement of controllable bearings or actuators. In the case reported here, the rotor is supported by active magnetic bearings. The theory underlying the controller is outlined. The objectives include minimization of the forces transmitted to the base while restricting rotor vibrations to a user-defined limit. A third objective is to prevent rotor contact with the auxiliary bearings, which are used to protect the active elements. These objectives are met by a two-stage weighting strategy followed by the adaptive control of two parameters that automatically and continuously adjust the weightings of individual objective functions to satisfy user-defined performance criteria.
Original languageEnglish
Article number022503
Number of pages7
JournalJournal of Engineering for Gas Turbines and Power: Transactions of the ASME
Volume133
Issue number2
Early online date27 Oct 2010
DOIs
Publication statusPublished - Feb 2011

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