Abstract
Planetary gear transmissions are widely utilized in rotating machinery which is running under stationary or non-stationary conditions.
In this work, a numerical study of a planetary gear transmission is investigated in both run up the regime and stationary condition.
The non-linear dynamic behavior of a single stage planetary gear during these two regimes was studied. The non-linearity is induced by the Hertzian contact force between teeth gear and it is implemented in a torsional lumped parameter model. In addition, the gear system is excited with the motor torque variation and the fluctuation of ring-planets and sun-planets mesh stiffness during the non-stationary regime. The system equations of motion were resolved by using the implicit type numerical integration technique Newmark-β with Newton-Raphson method. The obtained numerical results approve the influence of the Hertzian stiffness on the dynamic behavior of the system, especially in the run-up regime.
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Acknowledgements
The authors would like to acknowledge project “Dynamic behavior of gear transmissions in non-stationary conditions”, ref. DPI2017-85390-P, funded by the Spanish Ministry of Science and Technology.
Acknowledgment to the University of Cantabria cooperation project for doctoral training of University of Sfax’s students.
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Mbarek, A. et al. (2019). Influence of the Non-linear Hertzian Stiffness on the Dynamic Behavior of Planetary Gear During Run up Condition. In: Fernandez Del Rincon, A., Viadero Rueda, F., Chaari, F., Zimroz, R., Haddar, M. (eds) Advances in Condition Monitoring of Machinery in Non-Stationary Operations. CMMNO 2018. Applied Condition Monitoring, vol 15. Springer, Cham. https://doi.org/10.1007/978-3-030-11220-2_4
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DOI: https://doi.org/10.1007/978-3-030-11220-2_4
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