Research Article
Condition Monitoring and Fault Diagnosis for an Antifalling Safety Device
Table 4
The denoised maximum rotation speed.
| | Observed signal | Denoised signal | Reduction (%) | Average reduction (%) |
| | 173.8 | 156.2 | 11.3 | 7.5 | | 168.7 | 158.7 | 6.3 | | 167.2 | 155.1 | 7.8 | | 168.5 | 152.7 | 10.3 | | 166.2 | 154.9 | 7.3 | | 164.1 | 156.1 | 5.1 | | 168.1 | 157.7 | 7.0 | | 169.6 | 154.6 | 9.7 | | 159.2 | 151.3 | 5.2 | | 163.4 | 155.4 | 5.1 |
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