Measurement of Angular Vibrations in Rotating Shafts: Effects of the Measurement Setup Nonidealities

被引：24

作者：

Addabbo, Tommaso ^{[1
]}

Fort, Ada ^{[1
]}

Biondi, Roberto ^{[2
]}

Cioncolini, Stefano ^{[2
]}

Mugnaini, Marco ^{[1
]}

Rocchi, Santina ^{[1
]}

Vignoli, Valerio ^{[1
]}

机构：

[1] Univ Siena, Dept Informat Engn, I-53100 Siena, Italy

[2] GE Oil & Gas, I-50127 Florence, Italy

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2013年 / 62卷 / 03期

关键词：

Angular velocity; frequency-domain analysis; measurement techniques; rotation vibrations; vibration measurement;

D O I：

10.1109/TIM.2012.2218691

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the authors discuss a measurement method, based on the zero-crossing demodulation technique of FM signals, to estimate the angular velocity vibrations of a rotating shaft. The demodulation algorithm is applied without any filtering to the direct voltage output issued by some probes sensing the passages of arbitrarily shaped targets installed on the rotating shaft. The authors discuss a theoretical approach to analyze the measurement problem taking into account the chief nonidealities related to the measurement setup, i.e., they have investigated the effects of both the shaft side vibrations and the irregular shape of the targets. On the basis of the theoretical results, the authors propose a measurement method that can reject the effects of these mentioned nonidealities, exploiting the measurements of two or more probes properly positioned around the shaft.

引用

页码：532 / 543

页数：12

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