2002
DOI: 10.1006/jsvi.2001.4140
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Identification of Speed-Dependent Bearing Parameters

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Cited by 61 publications
(31 citation statements)
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“…The conclusion is that the EKF filter cannot estimate the bearing properties without the impact excitation present. Some parameter identification methods (Lee and Hong, 1989;Tieu and Qiu, 1994;Tiwari et al, 2002;De Santiago and San Andrés, 2007b) are capable of estimating bearing properties using imbalance excitation only, though the results are not as accurate as when impact excitation data is used. It is possible that this particular rotor-bearing problem exacerbates the inherent drawbacks with the EKF and that other Kalman filtering methods that overcome these problems, such as the Unscented Kalman Filter developed by Julier and Uhlmann (1997), may be more successful at identifying bearing parameters from imbalance response data.…”
Section: Resultsmentioning
confidence: 99%
“…The conclusion is that the EKF filter cannot estimate the bearing properties without the impact excitation present. Some parameter identification methods (Lee and Hong, 1989;Tieu and Qiu, 1994;Tiwari et al, 2002;De Santiago and San Andrés, 2007b) are capable of estimating bearing properties using imbalance excitation only, though the results are not as accurate as when impact excitation data is used. It is possible that this particular rotor-bearing problem exacerbates the inherent drawbacks with the EKF and that other Kalman filtering methods that overcome these problems, such as the Unscented Kalman Filter developed by Julier and Uhlmann (1997), may be more successful at identifying bearing parameters from imbalance response data.…”
Section: Resultsmentioning
confidence: 99%
“…This paper was published in 1982, and not many experimental papers on the topic have been published since, though there are some [5][6][7][8][9][10]. The major drawback with much of the experimental work is that the characteristics are only determined for the resonant frequency of the research rig.…”
Section: Radial and Tilt Characteristics Of Bearingsmentioning
confidence: 94%
“…Los estudios experimentales para determinar los coeficientes lineales de la película de lubricación tradicionalmente se han realizado en ejes de mayores dimensiones [3], [4] que las de los ejes de TC de MCIA, debido a la dificultad de instrumentación de los TC por su pequeño tamaño. También se han estudiado las películas de lubricación mediante diferentes códigos de CFD para obtener los coeficientes lineales [5], [6] y estimar las pérdidas por fricción del lubricante [7].…”
Section: Introductionunclassified