Research Article
Damage Identification of Bridge Based on Chebyshev Polynomial Fitting and Fuzzy Logic without Considering Baseline Model Parameters
Table 7
Membership degree of test samples identified by fuzzy systems.
| Damage condition | Damage severity (%) | 2 | 8 | 10 | 13 | 18 | 20 | 22 | 29 | 30 | 32 | 38 | 40 |
| No damage | 0.99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Slight damage | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Moderate damage | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | Severe damage | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0.02 | 0 | Catastrophic damage | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.8 | 1 |
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