Research Article
Vision-Based Dynamic Displacement Measurement of Isolation Bearing
Table 3
Horizontal peak displacement is achieved by various displacement measurement methods.
| | Measurement method | Horizontal shear 100% | Horizontal shear 250% | | Peak value of displacement (mm) | Error value (mm) | Error ratio (%) | Peak value of displacement (mm) | Error value (mm) | Error ratio (%) |
| | Displacement meter | 80.955 | — | — | 202.278 | — | — | | Fixed camera | 81.573 | 0.618 | 0.763 | 202.556 | 0.278 | 0.137 | | Camera motion | 81.948 | 0.993 | 1.226 | 202.785 | 0.507 | 0.251 |
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