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- W4387144672 abstract "Abstract The lack of fault samples is a key problem that restricts various fault diagnosis methods to engineering applications. However, the acquisition of measured fault samples requires the construction and commissioning of an experimental bench, which has high material and time costs. And the fault signals other than the fault components cannot be obtained. The reducer’s ball bearing 6008 serves as the object in this study. Based on the ANSYS/LS-DYNA software, this paper takes the cosine value of the simulated and measured vibration acceleration signal as the similarity measurement standard to modify the important parameters such as the radial load of the finite element model, and finally establishes the 3D explicit finite element dynamic model of the healthy bearing. After adding some fault geometry models, a variety of bearing finite element models with local faults are obtained, and the simulated fault vibration acceleration signal is obtained through the acceleration response calculation, so as to solve the problem of lack of fault samples. The fault characteristic frequency of the simulation signal can be precisely located via envelope spectrum analysis. And the simulation results can play an auxiliary role in bearing fault diagnosis in the absence of fault samples." @default.
- W4387144672 created "2023-09-29" @default.
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- W4387144672 date "2023-06-12" @default.
- W4387144672 modified "2023-10-18" @default.
- W4387144672 title "Finite Element Dynamic Model and Vibration Signal Simulation of Rolling Bearing With Local Faults" @default.
- W4387144672 doi "https://doi.org/10.1115/msec2023-105504" @default.
- W4387144672 hasPublicationYear "2023" @default.
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