Nonlinear Vibration in Gear Systems

Details Nonlinear Vibration in Gear Systems Nonlinear Vibration in Gear Systems

2003-02-22

arxiv.org/abs/nlin/0302050v1

Nonlinear Sciences

Chaotic Dynamics

11 pages, 7 figures

Scientific paper

Gear box dynamics is characterised by a periodically changing stiffness and a backlash which can lead to a loss of the contact between the teeth. Due to backlash, the gear system has piecewise linear stiffness characteristics and, in consequence, can vibrate regularly or chaoticaly depending on the system parameters and the initial conditions. We examine the possibility of a nonfeedback system control by introducing a weak resonant excitation term and through adding an additional degree of freedom to account for shaft flexibility on one side of the gearbox. We shall show that by correctly choosing the coupling values the system vibrations may be controlled.

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