Nonlinear identification of a magnetic bearing system with closed loop control

NCUIR > Engineering College > Graduate Institute of Mechanical Engineering > journal & Dissertation > Item 987654321/26931

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26931

Title:	Nonlinear identification of a magnetic bearing system with closed loop control
Authors:	Chang,SC;Tung,PC
Contributors:	機械工程研究所
Keywords:	OIL-FILM COEFFICIENTS
Date:	1999
Issue Date:	2010-06-29 18:03:33 (UTC+8)
Publisher:	中央大學
Abstract:	A theoretical and experimental study of the forced frequency response of a nonlinear magnetic bearing system is presented. The system under investigation consists of an unload symmetric rotor that is attached to a flexible coupler at one end and is supported by a radial magnetic bearing at the other end. Identification of a mathematical model describing the dynamic response of such a nonlinear closed loop system based on the principle of harmonic balance is our main goal. We modify this traditional identification technique in order to identify this system more precisely. The frequency response of the resulting nonlinear model has been proven to be well in agreement with that of the experimental data.
Relation:	JSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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