Identification of a non-linear electromagnetic system: An experimental study

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Title:	Identification of a non-linear electromagnetic system: An experimental study
Authors:	Chang,SC;Tung,PC
Contributors:	機械工程研究所
Keywords:	OIL-FILM COEFFICIENTS
Date:	1998
Issue Date:	2010-06-29 18:04:20 (UTC+8)
Publisher:	中央大學
Abstract:	This paper is concerned with the technique of identifying a non-linear electromagnetic system experimentally based on the principle of harmonic balance and the curve fitting method. The system under investigation is a symmetric rotor suspended by a spring device and excited by an electromagnet of a magnetic bearing. Particular emphases are placed on the identifiability of such a technique for this system and how to improve the modelling accuracy. The traditional identification technique is modified in order to successfully identify this system possessing highly non-linear characteristics. The resulting non-linear model has been proven to be in agreement with the experimental data. The knowledge gained from these studies are presented and discussed thoroughly. (C) 1998 Academic Press.
Relation:	JOURNAL OF SOUND AND VIBRATION
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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