Analysis of effect of random perturbation on dynamic response of gear transmission system

Jingyue Wang, Haotian Wang and Lixin Guo

Chaos, Solitons & Fractals, 2014, vol. 68, issue C, 78-88

Abstract: In order to investigate the effects of random perturbation of a low-frequency excitation caused by torque fluctuations, gear damping ratio, gear backlash, meshing frequency and meshing stiffness, the random dynamic model of a single pair of three-degree-of-freedom spur gear transmission system is established. With gear meshing frequency changing, the dynamic characteristics of the gear transmission system were analyzed by bifurcation diagram, phase diagram, time course diagram and Poincaré map of the system. The effects of random perturbation caused by a low-frequency excitation caused by torque fluctuations, gear damping ratio, gear backlash, meshing frequency and meshing stiffness were comparative analyzed. Numerical simulation shows that the gear transmission system with nonlinear clearance exists rich period-doubling bifurcation phenomenon. With the increasing of the gear meshing frequency, gear transmission system will be from the chaotic motion to periodic motion by inverse period-doubling bifurcation. The effect of the meshing frequency random perturbation on the gear transmission system movement is largest. On the contrary, the effect of the meshing stiffness random perturbation on the system is minimum.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:68:y:2014:i:c:p:78-88

DOI: 10.1016/j.chaos.2014.08.004

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