Abstract
This paper presents the derivation of the torsional receptances for a universal joint. The joint is modeled as two inertias connected by a massless cross-piece. The equations of motion and resulting receptances reveal that the universal joint may be represented as a variable inertia. The inertia is a function of misalignment angle and angular position. It is shown that the inertia variation may be approximated by a second order cosine for typical misalignment angles. Systems with variable inertia are known to exhibit non-linear vibration behaviour.
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Acknowledgements
C. P. acknowledges the support of Prof. P.G. Molari from D.I.E.M. UniBO. He also thanks the School of Mechanical and Chemical Engineering of UWA for hosting his visit.
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Peressini, C., Guzzomi, A.L., Hesterman, D.C. (2013). Torsional Receptances and Variable Inertia of a Two-Inertia Model of a Universal Joint. In: Viadero, F., Ceccarelli, M. (eds) New Trends in Mechanism and Machine Science. Mechanisms and Machine Science, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4902-3_61
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DOI: https://doi.org/10.1007/978-94-007-4902-3_61
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