STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD
The singular value truncation method is studied in this work for structural damage identification. The main advantage of the proposed method is that it can obtain the robust and accurate results by the ill-posed linear equations due to measurement noise. The influences of the truncation threshold va...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Strength
2019-01-01
|
| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.04.033 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841535693781729280 |
|---|---|
| author | YANG QiuWei LU Chen LI CuiHong |
| author_facet | YANG QiuWei LU Chen LI CuiHong |
| author_sort | YANG QiuWei |
| collection | DOAJ |
| description | The singular value truncation method is studied in this work for structural damage identification. The main advantage of the proposed method is that it can obtain the robust and accurate results by the ill-posed linear equations due to measurement noise. The influences of the truncation threshold value and the error level on the calculation result are discussed in detail. In addition, the second calculation using the singular value truncation method by another loading state is proposed in order to further improve the accuracy of the calculation. The numerical experiments show that the proposed method is reasonable and feasible, and has better anti-noise performance than the least squares method. When the noise level is less than 10%, the accurate enough results can be obtained. It was found that the proposed method is promising for structural damage identification. |
| format | Article |
| id | doaj-art-5487d34ac53946c4b2a47b213a0c1fc1 |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2019-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-5487d34ac53946c4b2a47b213a0c1fc12025-01-15T02:29:33ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692019-01-014197698230605331STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHODYANG QiuWeiLU ChenLI CuiHongThe singular value truncation method is studied in this work for structural damage identification. The main advantage of the proposed method is that it can obtain the robust and accurate results by the ill-posed linear equations due to measurement noise. The influences of the truncation threshold value and the error level on the calculation result are discussed in detail. In addition, the second calculation using the singular value truncation method by another loading state is proposed in order to further improve the accuracy of the calculation. The numerical experiments show that the proposed method is reasonable and feasible, and has better anti-noise performance than the least squares method. When the noise level is less than 10%, the accurate enough results can be obtained. It was found that the proposed method is promising for structural damage identification.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.04.033Damage identificationSingular value truncationMeasurement noiseDisplacement parameter |
| spellingShingle | YANG QiuWei LU Chen LI CuiHong STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD Jixie qiangdu Damage identification Singular value truncation Measurement noise Displacement parameter |
| title | STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD |
| title_full | STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD |
| title_fullStr | STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD |
| title_full_unstemmed | STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD |
| title_short | STRUCTURAL DAMAGE IDENTIFICATION BY SINGULAR VALUE TRUNCATION METHOD |
| title_sort | structural damage identification by singular value truncation method |
| topic | Damage identification Singular value truncation Measurement noise Displacement parameter |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.04.033 |
| work_keys_str_mv | AT yangqiuwei structuraldamageidentificationbysingularvaluetruncationmethod AT luchen structuraldamageidentificationbysingularvaluetruncationmethod AT licuihong structuraldamageidentificationbysingularvaluetruncationmethod |