Table 6
The hyperparameter sensitivity verification analysis for the GES2N is presented. A check mark (X) indicates alignment between the results in Figure 9 and Table 1.
# | HP | Measurements | Comment | ||||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |||
1 | D | ✓ | ✓ | ✓ | ✓ | ✓ | The result is consistent with Table 1. |
2 | CORF | ✓ | ✓ | ✓ | ✓ | ✓ | Decreasing the CORF increases the amplitudes of the components. For this dataset, the cyclic order width of the harmonics are broader due to the length of the signal and by decreasing the CORF while keeping Δαb at its baseline resulted in some parts of the targeted harmonics to manifest in the noise indicator and impeded its performance. |
3 | Δαb | ✓ | ✓ | ✓ | ✓ | ✓ | The result is consistent with Table 1. No prominent extraneous impulses are in the signal indicator’s bands when Δαb = 0.5 and therefore the GES2N’s performance is not impeded for measurements where the damage components were prominent (e.g., Meas. 1 and 5). The general decrease in ![]() |
4 | TEP | ✓ | ✓ | ✓ | ✓ | ✓ | The decrease of ![]() |
5 | Nh | ✓ | ✓ | ✓ | ✓ | ✓ | The result is consistent with Table 1. |
6 | ws | A more in-depth analysis showed H1 ’s first harmonic was prominent (which is expected), but the other methods H1:5, H- and H+ performed similarly and therefore their results could not be verified. |
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