Research Article
Research on Embedded Ball Screw Diagnosis System for Mechanical Fault Based on Bispectral Image
Table 1
Comparisons of runtime for different methods.
| Feature extraction method | Running time (s) | Restructure | Feature extraction |
| Extended bispectral analysis | 0 | 1.022 | Time domain analysis | 1.893 | 0.009 | Frequency domain analysis | 1.901 | 0.017 |
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