<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This paper describes a novel measurement method to accurately measure the rotating shaft tilt angle of rotating machine for alignment or compensation using a dual-axis inclinometer. A model of the rotating shaft tilt angle measurement is established using a dual-axis inclinometer based on the designed mechanical structure, and the calculation equation between the rotating shaft tilt angle and the inclinometer axes outputs is derived under the condition that the inclinometer axes are perpendicular to the rotating shaft. The reversal measurement method is applied to decrease the effect of inclinometer drifts caused by temperature, to eliminate inclinometer and rotating shaft mechanical error and inclinometer systematic error to attain high measurement accuracy. The uncertainty estimation shows that the accuracy of rotating shaft tilt angle measurement depends mainly on the inclinometer uncertainty and its uncertainty is almost the same as the inclinometer uncertainty in the simulation. The experimental results indicate that measurement time is 4 seconds; the range of rotating shaft tilt angle is 0.002° and its standard deviation is 0.0006° using NS-5/P2 inclinometer, whose precision and resolution are ±0.01° and 0.0005°, respectively.</p></abstract>

This paper describes a novel measurement method to accurately measure the rotating shaft tilt angle of rotating machine for alignment or compensation using a dual-axis inclinometer. A model of the rotating shaft tilt angle measurement is established using a dual-axis inclinometer based on the designed mechanical structure, and the calculation equation between the rotating shaft tilt angle and the inclinometer axes outputs is derived under the condition that the inclinometer axes are perpendicular to the rotating shaft. The reversal measurement method is applied to decrease the effect of inclinometer drifts caused by temperature, to eliminate inclinometer and rotating shaft mechanical error and inclinometer systematic error to attain high measurement accuracy. The uncertainty estimation shows that the accuracy of rotating shaft tilt angle measurement depends mainly on the inclinometer uncertainty and its uncertainty is almost the same as the inclinometer uncertainty in the simulation. The experimental results indicate that measurement time is 4 seconds; the range of rotating shaft tilt angle is 0.002° and its standard deviation is 0.0006° using NS-5/P2 inclinometer, whose precision and resolution are ±0.01° and 0.0005°, respectively.

Rotating Shaft Tilt Angle Measurement Using an Inclinometer

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

2University of Chinese Academy of Sciences, Beijing 10049, China

University of Chinese Academy of Sciences, Beijing 10049, China

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Rotating Shaft Tilt Angle Measurement Using an Inclinometer"}

This paper describes a novel measurement method to accurately measure the rotating shaft tilt angle of rotating machine for alignment or compensation using a...

Rotating Shaft Tilt Angle Measurement Using an Inclinometer

Publicado en línea: 29 oct 2015

Páginas: 236 - 243

Recibido: 23 mar 2015

Aceptado: 30 sept 2015

DOI: https://doi.org/10.1515/msr-2015-0032

Palabras clave
Rotating shaft, tilt angle measurement, inclinometer, reversal measurement, uncertainty estimation.

© by Jun Luo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Rotating Shaft Tilt Angle Measurement Using an Inclinometer

Publicado en línea: 29 oct 2015

Páginas: 236 - 243

Recibido: 23 mar 2015

Aceptado: 30 sept 2015

DOI: https://doi.org/10.1515/msr-2015-0032

Palabras claveRotating shaft, tilt angle measurement, inclinometer, reversal measurement, uncertainty estimation.

© by Jun Luo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Palabras clave
Rotating shaft, tilt angle measurement, inclinometer, reversal measurement, uncertainty estimation.