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Lumped parameter modelling and methodology for extraction of model parameters for an electrodynamic shaker
N. Tiwari, , A. Saraswat
Published in SAGE Publications Inc.
Volume: 36
Issue: 2
Pages: 99 - 115
Shakers are widely used to simulate the vibrations for academic research, as well as for product testing. Thus, there is a significant necessity to study them in detail. Amongst the different types of shakers being used, the electrodynamic shaker is by far the most versatile. However, limited work has been done with regard to their integrated electro-mechanical modelling. In this work, we have developed a mobility-based lumped parameter model of an electrodynamic shaker and also a method to measure its various electrical and mechanical parameters using non-destructive and easy to use methods. Towards meeting the latter goal, we conducted experiments to determine the shaker table’s impedance and transfer functions, and used these data for subsequent parameter extraction. Such a model was later validated experimentally. Finally, we predicted the response of the shaker under loaded and unloaded conditions, and confirmed their validity through actual experimental data. © The Author(s) 2017.
About the journal
JournalData powered by TypesetJournal of Low Frequency Noise Vibration and Active Control
PublisherData powered by TypesetSAGE Publications Inc.