Advertisement

Dynamic Characteristics of Vehicular Planetary Gears Influenced by Engine Excitation and Backlash Based on Nonlinear Torsional Vibration Model

  • Hui LiuEmail author
  • Zhongchang Cai
  • Changle Xiang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 201)

Abstract

Multiple gear ratios in automatic transmission are achievable with multi-stage planetary gears, where there are both the loaded planetary gear and the idle planetary gear under some gear ratios operation. Due to the change of road conditions, engine runs with different rotational speed and torque, which brings an external fluctuation excitation to the automatic transmission planetary gear set. In addition, the gear backlash becomes larger with the wear increasing during the running. Both engine excitation and gear backlash are important factors that not only influence the vibration characteristic and meshing state of the loaded planetary gear but also those of the idle planetary gear. The objective of this paper was to investigate the change of meshing force state of loaded planetary gear and idle planetary gear influenced by the different backlash and the engine excitation based on a nonlinear torsional vibration model.

Keywords

Planetary gears Torsional vibration Nonlinear vibration Backlash Meshing force 

Notes

Acknowledgements

This work was partially supported by Natural Nature Science Foundation of China (50905018,51075033). The authors would like to express gratitude to its financial support.

References

  1. 1.
    Kahraman A (1994) Planetary gear train dynamics. J Mech Des 116:713–720CrossRefGoogle Scholar
  2. 2.
    Kahraman A (2001) Free torsional vibration characteristics of compound planetary gear sets. Mech Mach Theory 36(6):953–971zbMATHCrossRefGoogle Scholar
  3. 3.
    Ambarisha VK, Parker RG (2007) Nonlinear dynamics of planetary gears using analytical and finite element models. J Sound Vib 302(3):577–595CrossRefGoogle Scholar
  4. 4.
    Abousleiman V, Velex P (2006) A hybrid 3D finite element/lumped parameter model for quasi-static and dynamic analyses of planetary/epicyclic gear sets. Mech Mach Theory 41(6):725–748zbMATHCrossRefGoogle Scholar
  5. 5.
    Kahraman A (2004) A kinematics and power flow analysis methodology for automatic transmission planetary gear trains. J Mech Des 126(6):1071–1081MathSciNetCrossRefGoogle Scholar
  6. 6.
    Inalpolat M, Kahraman A (2009) A theoretical and experimental investigation of modulation sidebands of planetary gear sets. J Vibr Vibr 323:677–699CrossRefGoogle Scholar
  7. 7.
    Inalpolat M, Kahraman A (2010) A dynamic model to predict modulation sidebands of a planetary gear set having manufacturing errors. J Vibr Vibr 329:371–393CrossRefGoogle Scholar
  8. 8.
    Kiracofe DR, Parker RG (2007) Structured vibration modes of general compound planetary gear systems. J Vib Acoust 129:1–16CrossRefGoogle Scholar
  9. 9.
    Alshyyab A, Kahraman A (2007) A non-linear dynamic model for planetary gear sets. J Muti-Body Dyn 221(4):567–576Google Scholar
  10. 10.
    Bahk CJ, Parker RG (2011) Analytical solution for the nonlinear dynamics of planetary gears. J Comput Nonlinear Dyn 6:1–15CrossRefGoogle Scholar
  11. 11.
    Park RG, Lin J (2004) Mesh phasing relationships in planetary and epicyclic gear. J Mech Des 126:365–370CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.School of Mechanical and EngineeringBeijing Institute of TechnologyBeijingChina
  2. 2.National Key Laboratory of Science and Technology on Vehicle Transmission LaboratoryBeijing Institute of TechnologyBeijingChina

Personalised recommendations