Damage identification method based on cable force tests of cable system and test error self-adaptive analysis
US11703405B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 9, 2022 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Sep 9, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M5/0066
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A damage identification method based on cable force tests of a cable system and test error self-adaptive analysis is proposed to measure cable forces in prestressed steel structures and find out possible damage positions of the cable system. The method includes placing a laser velocimeter; measuring the vibration speed history data of the measuring point P on the cable by the laser velocimeter; calculating the cable force; calculating all the cable forces of the cable system through the same procedure; analyzing error between cables and finding out the possible damage of the cable or of the tie rod connected to the cable. The dynamic response characteristics of both in-plane and out-of-plane of a cable can be obtained through the method of the present invention. The self-verified more accurate results can be obtained, and the damage in a cable system can be determined according to error self-adaptive analysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.