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- Title
Nonlinear analysis of the locomotive traction system with rub-impact and nonlinear stiffness.
- Authors
Wang, Junguo; Zhang, Jie; Bai, Ruisong; Yang, Xufeng; Zhao, Yongxiang
- Abstract
Considering rub-impact forces, eccentricity of rotor, and nonlinear stiffness of armature shaft, a dynamic differential equation is built to investigate the bifurcation and chaos behavior of the locomotive traction system. The nonlinear analysis methods are inclusive of bifurcation diagrams, phase plane portraits, Poincaré maps, displacement–time curves, and spectrograms. The simulation results reveal the complex dynamic comprising period-3 to quasi-periodic bifurcation and intermittent bifurcation. Some research results are references for dynamic design and rub-impact fault diagnosis of the locomotive traction system.
- Subjects
SHAFT fatigue; SPECTROGRAMS; NONLINEAR analysis; BIFURCATION theory; DIFFERENTIAL equations
- Publication
Advances in Mechanical Engineering (Sage Publications Inc.), 2018, Vol 10, Issue 12, p1
- ISSN
1687-8132
- Publication type
Article
- DOI
10.1177/1687814018814639