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  1. No Access

    Article

    Multi-status mating mechanism and incomplete bifurcation of an internal gear system with time-variant parameters and temperature

    Tooth mismatch induced by backlash leads to the multi-status engagement of the internal meshing spur gear system (IMSGS), attenuating transmission accuracy and quality. This paper presents the nonlinear switch...

    **ao-**g Ma, Jian-fei Shi, Li Zhang in Nonlinear Dynamics (2024)

  2. No Access

    Article

    Nonlinear dynamic modeling and global instability analyses of planetary gear trains considering multi-state engagement and tooth-contact temperature effects

    Gear disengaging, back-side tooth contact or poor dynamic behavior during operating leads to dynamic instability in planetary gear trains (PGTs). A novel nonlinear dynamic model of PGTs with internal and exter...

    Xue-zong Bai, Hu-zi Qiu, Jian-fei Shi, De-wang Li, Zong-wen An in Nonlinear Dynamics (2023)

  3. No Access

    Article

    Modeling and analyzing of torsional dynamics for helical gear pair considered double and three teeth drive-side meshing

    Helical gears are generally considered to be more stable than spur gears. But rattling of the helical gear transmission is found in the engineering practice. The torsional dynamics equations of helical gear pa...

    **ang-Feng Gou, Hui Wang, Ling-Yun Zhu, Hong-Bo Que, Jian-Fei Shi, Zheng-Fa Li in Meccanica (2021)

  4. No Access

    Article

    Generation mechanism and evolution of five-state meshing behavior of a spur gear system considering gear-tooth time-varying contact characteristics

    Teeth disengagement or back-side teeth engagement induced by backlash reduces the transmission quality and dynamic performance of gear systems, and the accurate interpretation of multi-state meshing behavior c...

    Jian-fei Shi, **ang-feng Gou, Ling-yun Zhu in Nonlinear Dynamics (2021)

  5. No Access

    Article

    Bifurcation of multi-stable behaviors in a two-parameter plane for a non-smooth nonlinear system with time-varying parameters

    To obtain the correlation between multiple parameters, multi-initial values and multi-stable behaviors for a non-smooth nonlinear system with time-varying parameters, a new method of calculating the bifurcatio...

    Jian-fei Shi, **ang-feng Gou, Ling-yun Zhu in Nonlinear Dynamics (2020)

  6. No Access

    Article

    Bifurcation and evolution of a forced and damped Duffing system in two-parameter plane

    A general method to calculate multi-parameter bifurcation diagram in the parameter space is designed based on top Lyapunov exponent and Floquet multiplier to study the effect of different combinations of syste...

    Jian-Fei Shi, Yan-Long Zhang, **ang-Feng Gou in Nonlinear Dynamics (2018)