CONSIDERATIONS ON THE MODAL ANALYSIS AND VIBRATION SIMULATION OF INDUCTION MOTORS
The article is observing the vibration numerical simulation of induction electric motors by using finite elements method, with particular focus on the modal analysis. Several other dynamic simulations like the frequency responses to harmonic, random excitations and mechanical shocks are shortly presented. The importance of the modal analysis is highlighted from theoretical and experimental point of view, on one hand, and by performing and commenting several simulations on electric motors components (housing, rotor and stator) and the assembled structure, on the other hand.
Keywords: induction electric motor, frequency response, modal analysis, experimental modal analysis.
An introduction to modal testing, Bruel & Kjaer application notes.
Bate, H.G., Vibration Diagnostics for
Industrial Electric Motor Drives, Bruel & Kjaer application notes.
Brown, D., Allemang, R., Zimmerman, R., Mergeay, M., Parameter estimation techniques for modal analysis, SAE Paper, No. 790221, 1979.
Harris, T. A., Kotzalas, M. N., Essential Concepts of Bearing Technology, 5th Edition, CRC Press, 2006.
He, J., Fu, Z. F., Modal analysis, Butterworth Heineman, Oxford, 2001.
Heylen, W., Lammens, S., Sas P., Modal Analysis Theory and Testing, Katholieke Universiteit Leuven, Department Werktuigkunde, 2007.
Kelly, S. G., Mechanical Vibrations – Theory and Applications, SI Edition, Centrage Learning, 2011.
Luchscheider, V., Willner, K., Maidorn, M., Development of a contact and a material model of laminated stacks, Proceedings 3rd International Electric Drives Production Conference, 2013, pages 32-36.
Luchscheider, V., Willner, K., Maidorn, M., Development of a model to describe the stiffness of an electric motor lamination stack, Proceedings 2nd International Electric Drives Production Conference, 2012, pages 142-146.
Lupea, I., Experimental validation of acoustic modes for fluid structure coupling in the car habitacle, Proceedings of the Romanian Academy, Series A – Mathematics, Physics, Technical Sciences, Information Science, Volume: 18, Issue: 1, Pages: 326-334, Jan-Mar 2017, ISSN: 1454-9069.
Lupea, I., Joint stiffness evaluation of a simplified robot arm structure by using finite elements, Acta Technica Napocensis, Series: Applied Mathematics, Mechanics and Engineering, Vol. 61, Issue III, Sept. 2018, pages 301-305.
Lupea, I., On the modal analysis of a robot, Proceedings 5th International Workshop on Robotics in Alpe-Adria-Danube Region RAAD '96, pages 309-313, June 10-12 1996, ISBN 963 4204821, Budapest, Hungary.
Lupea, I., The Modulus of Elasticity Estimation by using FEA and a frequency response function, Acta Technica Napocensis, Series: Applied Mathematics, Mechanics and Engineering, Vol. 57, Issue IV, Nov. 2014, pages 493-496.
Lupea, I., Updating of an exhaust system model by using test data from EMA, Proceedings of the Romanian Academy, Series A – Mathematics, Physics, Technical Sciences, Information Science, Volume: 14, Issue: 4, Pages: 326-334, Oct-Dec 2013, ISSN: 1454-9069.
Lupea, I., Ciascai, I., Finding vibration modes for a piezo driven robot structure, Acta Technica Napocensis, Series: Applied Mathematics, Mechanics and Engineering, Vol. 60, Issue III, Sept. 2017, pages 351-357, ISSN: 1221-5872.
Lupea, I., Stremţan, F. A., Topological optimization of an acoustic panel under periodic load by simulation, Acta Technica Napocensis, Series: Applied Mathematics and Mechanics, Vol. 56, Issue III, Oct. 2013, pages 455-460.
Maia, N. M. M., Modal Analysis, Experimental | Parameter Extraction Methods, Encyclopedia of Vibration, 2001.
Maia, N. M. M., Silva, J. M. M., Theoretical and Experimental Modal Analysis, Research Studies Press LTD, 2000.
Modal Testing of Mechanical Structures Subject to Operational Excitation Forces Bruel & Kjaer application notes.
Operational modal analysis of large 2-pole rotating machinery, Bruel & Kjaer application notes.
Shahaj, A., Mitigation of vibration in large electrical machines, PhD thesis, University of Nottingham, 2010.
Yang, C., Adams, D., Yo, S., Kim, H., An embedded sensitivity approach for diagnosing system-level vibration problems,
Journal of Sound and Vibration, 269, pp. 1063–1081, 2004.
Zhou, W., Chelidze, D., Generalized Eigenvalue Decomposition in Time Domain Modal Parameter Identification, Journal of Vibration and Acoustics, 130, 011001-1, 2008.
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