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Erschienen in:

2019 | OriginalPaper | Buchkapitel

The Influence of the Vibration Suppression on the Rotor Crack Detection Performance

verfasst von : L. S. Leão, A. Sahinkaya, A. A. Cavalini Jr., V. Steffen Jr., J. T. Sawicki

Erschienen in: Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM

Verlag: Springer International Publishing

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Abstract

The feasibility of controlling the vibrations of rotating machines while performing online crack detection is addressed in this paper. For this purpose, two controllers are compared, namely \( LQR \) and \( H_{\infty } \), which represent optimal and robust control strategies, respectively. A non-dimensional Jeffcott rotor model is employed to simulate the dynamic behavior of a rotating machine. In addition, a crack is introduced in the shaft using the so-called Mayes’ model. An active magnetic bearing (AMB) is placed as an actuator at the disc location along the rotor. For each control technique, different strategies are implemented to evaluate their effectiveness on both attenuating the vibration level and detecting the fatigue crack. Conclusions are drawn regarding the effectiveness of the control strategy for each phenomenon.

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Vorheriges Kapitel Numerical Analysis of Influence Coefficients for On-Site Balancing of Flexible Rotors

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Titel: The Influence of the Vibration Suppression on the Rotor Crack Detection Performance
verfasst von: L. S. Leão
A. Sahinkaya
A. A. Cavalini Jr.
V. Steffen Jr.
J. T. Sawicki
Verlag: Springer International Publishing
Buch: Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM
Print ISBN: 978-3-319-99271-6

Electronic ISBN: 978-3-319-99272-3

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-319-99272-3_13

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