Research Article
Wind Load and Structural Parameters Estimation from Incomplete Measurements
Table 5
Structural parameter estimation results under different sampling durations.
| | Structural parameter | Duration: 1 s | Duration: 10 s | Duration: 30 s | Duration: 60 s | | Estimated value | Error (%) | Estimated value | Error (%) | Estimated value | Error (%) | Estimated value | Error (%) |
| | k1 | 2.59 × 108 | 5.86 | 2.57 × 108 | 4.98 | 2.55 × 108 | 4.12 | 2.55 × 108 | 3.97 | | k2 | 2.33 × 108 | 4.89 | 2.36 × 108 | 3.55 | 2.37 × 108 | 3.45 | 2.37 × 108 | 3.44 | | k3 | 2.36 × 108 | 3.76 | 2.37 × 108 | 3.39 | 2.35 × 108 | 4.20 | 2.35 × 108 | 4.15 | | k4 | 2.56 × 108 | 4.55 | 2.55 × 108 | 4.14 | 2.55 × 108 | 4.15 | 2.54 × 108 | 3.84 | | k5 | 2.59 × 108 | 5.61 | 2.57 × 108 | 4.84 | 2.35 × 108 | 4.01 | 2.35 × 108 | 3.96 | | k6 | 2.26 × 108 | 7.62 | 2.28 × 108 | 6.99 | 2.35 × 108 | 4.02 | 2.35 × 108 | 3.99 | | k7 | 2.56 × 108 | 4.41 | 2.55 × 108 | 4.08 | 2.55 × 108 | 4.09 | 2.55 × 108 | 4.08 | | k8 | 2.56 × 108 | 4.35 | 2.55 × 108 | 4.21 | 2.55 × 108 | 4.21 | 2.55 × 108 | 4.19 | | k9 | 2.55 × 108 | 4.06 | 2.53 × 108 | 3.36 | 2.53 × 108 | 3.40 | 2.53 × 108 | 3.37 | | k10 | 2.28 × 108 | 6.97 | 2.29 × 108 | 6.53 | 2.34 × 108 | 4.52 | 2.34 × 108 | 4.3 | | α | 0.740 | 32.78 | 0.575 | 3.28 | 0.581 | 4.66 | 0.581 | 4.25 | | β | 0.00440 | 29.33 | 0.00325 | 4.37 | 0.00348 | 3.49 | 0.00348 | 2.24 |
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