Dynamic characteristic analysis of a single-stage spur gear system in two-parameter plane

被引:0
|
作者
Tian Y.-P. [1 ]
Chu Y.-D. [1 ,2 ]
Rao X.-B. [1 ]
机构
[1] School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou
[2] Key Laboratory of System Dynamics and Reliability of Rail Transport Equipment of Gansu Province, Lanzhou Jiaotong University, Lanzhou
关键词
Dynamic characteristics; Nonlinear vibration; PNF method; Single-stage spur gear system; Two-parameter plane;
D O I
10.16385/j.cnki.issn.1004-4523.2018.02.004
中图分类号
学科分类号
摘要
In order to reveal the coupling relationship among bifurcation, gear meshing impact, tooth separation, tooth back-side contact and dynamic load coefficient (DLC) of the nonlinear gear system, the pseudo color maps of the meshing impact and period, duty cycle of the mesh apart (DC1), duty cycle of the tooth back-side contact (DC2) and DLC for a single stage gear system are obtained by Poincaré-Newton-Fouquet (PNF) and the continuation numerical calculation method in the time-varying meshing stiffness amplitude coefficient (TVMSA) and dimensionless frequency two parameters plane. Research shows that the TVMSA and resonance frequency are main factors for bifurcation, gear meshing impact and DLC of the gear system. With the increase of TVMSA, the system's periodic motion turns to chaos by the way of period-doubling, Hopf, crisis, grazing, saddle node bifurcation and the DC1, DC2 and DLC increase. Meanwhile, the chaos, quasi periodic motion and meshing impact phenomenon appear near the resonant frequency, in which the DC1, DLC reach the extreme values. The dynamic characteristics transitions laws can provide the theoretical reference for the optimization of the gear structure parameter. © 2018, Nanjing Univ. of Aeronautics an Astronautics. All right reserved.
引用
收藏
页码:219 / 225
页数:6
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