Articles | Volume 12, issue 1
https://doi.org/10.5194/ms-12-573-2021
https://doi.org/10.5194/ms-12-573-2021
Research article
 | 
25 May 2021
Research article |  | 25 May 2021

Study on dynamic load-sharing characteristics of face gear dual-power split transmission system with backlash, support and spline clearance

Hao Dong, Hao Qin Zhang, Xiao Long Zhao, and Ling Ling Duan

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Cited articles

Bao, H. Y., Li, F. B., and Lu, F. X.: Analysis of dynamic characteristics of a variable speed helicopter transmission system, Journal of Central South University (Science and Technology), 50, 2403–2416, https://doi.org/10.11817/j.issn.1672-7207.2019.10.009, 2019 (in Chinese). 
Dong, H., Fang, Z. D., and Hu, Y. H.: Study on the load-sharing characteristics of an aeronautical II-stage five-branching planets gear train based on the loaded tooth contact analysis, Math. Probl. Eng., 5, 1–18, https://doi.org/10.1155/2018/5368294, 2018. 
Dong, J. X., Tang, J. Y., and Hu, Z. H.: Investigation of assembly, power direction and load-sharing in concentric face gear split-torque transmission system, Meccanica, 54, 2485–2506, https://doi.org/10.1007/s11012-019-01078-0, 2019. 
Handschuh, R. E., Lewicki, D. G., and Heath, G. F.: Experimental evaluation of face gears for aerospace drive system applications, San Diego, NASA Technical Memorandum, 107227, available at: https://www.researchgate.net/publication/24289872_Experimental_Evaluation_of_Face_Gears_for_Aerospace_Drive_System_Applications (last access: 20 May 2021), 1996. 
Heath, G. F. and Bossler, J. R. B.: Advanced rotorcraft transmission (ART) program-final report, Lewis, NASA Contractor Report, 191057, https://doi.org/10.2514/6.1991-1906, 1993. 
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Short summary
The dynamic load-sharing characteristics of a face gear dual-power split transmission system (FGDPSTS) of an aircraft helicopter are studied. The effects of error, backlash, support clearance, spline clearance, torsional stiffness and support stiffness on dynamic load-sharing performance are analyzed. The load-sharing coefficient increases with the increase of the error, which provides a theoretical basis for the dynamic stability optimization design of the system.