전자기력 측정과 방향성주파수 응답함수를 이용한 능동 자기베어링 시스템의 운전중 모드시험 및 매개변수 규명In-situ modal testing and parameter identification of active magnetic bearing system by magnetic force measurement and the use of directional frequency response functions

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Complex modal testing is employed for the in-situ parameter identification of a four-axis active magnetic bearing system while the system is in operation. In the test, magnetic bearings are used as exciters as well as actuators for feedback control. The experimental results show that the directional frequency response function, which is properly defined in the complex domain, is a powerful tool for identification of bearing as well as modal parameters. It is also shown that the position and current stiffnesses can be accurately estimated using the relations between the measured forces, displacements, and currents.
Publisher
대한기계학회
Issue Date
1997
Language
Korean
Citation

대한기계학회논문집 A, v.21, no.7, pp.1156 - 1165

ISSN
1226-4873
URI
http://hdl.handle.net/10203/72483
Appears in Collection
ME-Journal Papers(저널논문)
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