Abstract
Due to the gear fault signal are often covered by complex noisy even under varying-speed running condition, and it is difficult to simulate the gear fault impact in practical work. To address the problem, a simulation scheme of gear fault is proposed in this paper. In the proposed approach, the gear fault model is built in UG at first. Subsequently, the model is imported in ADAMS, in which the meshing force instead of the vibration signal from a gearbox in real world is extracted, and then the envelope of the meshing force signal is extracted. Finally, the envelope order spectrum analysis scheme is used to obtain the feature order of gear faults. Simulation is conducted to verify the validity of the proposed method.
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