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Application of Artificial Neural Network for Identification of Bearing Stiffness Characteristics in Rotor Dynamics Analysis

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Advances in Design, Simulation and Manufacturing (DSMIE 2019)

Abstract

In this article the implementation of the mathematical model for rotor oscillations on non-linear bearing supports for the multistage centrifugal compressor is considered by using the computer program “Critical frequencies of the rotor”. It realized the finite element mathematical model, which allows taking into account the non-linear dependence of bearing stiffness on the rotor speed, as well as gyroscopic moments of inertia of impellers and shell-type parts. The artificial neural network “Virtual Gene Developer” software is proposed for evaluating the operating parameters of the approximating curve “bearing stiffness – rotor speed” by the dataset of numerical simulation results in the abovementioned software. Actual parameters of non-linear bearing stiffness are obtained by the results of the experimental research of rotor critical frequencies for the multistage centrifugal compressor 295GC2-190/44-100M on the experimental accelerating-balancing stand “Schenck”. The main advantages of the proposed approach and methodology for application of Artificial Neural Networks are stated.

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Acknowledgements

This work was supported by the Slovak Research and Development Agency under the contract No. APVV-15-0602.

The main scientific results were achieved within The National Scholarship Programme of the Slovak Republic at the Faculty of Manufacturing Technologies with a seat in Prešov of Technical University of Košice (Prešov, Slovakia) and recent research at Sumy State University: No. 0117U004922 and No. 0117U003931.

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Correspondence to Ivan Pavlenko .

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Pavlenko, I., Simonovskiy, V., Ivanov, V., Zajac, J., Pitel, J. (2019). Application of Artificial Neural Network for Identification of Bearing Stiffness Characteristics in Rotor Dynamics Analysis. In: Ivanov, V., et al. Advances in Design, Simulation and Manufacturing. DSMIE 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-93587-4_34

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  • DOI: https://doi.org/10.1007/978-3-319-93587-4_34

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-93586-7

  • Online ISBN: 978-3-319-93587-4

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