Using low-level vibration measurements for ODS analysis

被引：0
|
作者：
Powell, Chris D. [1 ]
机构：
[1] Structural Technology Corporation, Zoar, OH, United States
来源：
S V Sound and Vibration | 2003年 / 37卷 / 06期
关键词：
Accelerometers - Analog to digital conversion - Electric motors - Electric potential - Fans - Fast Fourier transforms - Frequency response - Impellers - Natural frequencies - Spectrum analyzers - Speed control - Variable speed drives;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Operational Deflection Shape analysis was performed on a large fan foundation using normal background turbulence as the only excitation. The practical extraction of usable data from extremely small signals has recently become feasible by the introduction of analyzers using 24-bit front-ends combined with advances in measurement sensors.
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页码：12 / 15
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