Experimental Validation of Visually Servoed Paired Structured Light System (ViSP) for Structural Displacement Monitoring
Structural displacement is considered an important indicator to assess structural conditions. To directly measure the displacement in the time domain, a visually servoed paired structured light system was proposed. The system is composed of two sides facing each other, each with one or two lasers th...
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| Veröffentlicht in: | IEEE/ASME transactions on mechatronics 2014-10, Vol.19 (5), p.1603-1611 |
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| container_title | IEEE/ASME transactions on mechatronics |
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| creator | Jeon, Haemin Myeong, Wancheol Shin, Jae-Uk Park, Jong-Woong Jung, Hyung-Jo Myung, Hyun |
| description | Structural displacement is considered an important indicator to assess structural conditions. To directly measure the displacement in the time domain, a visually servoed paired structured light system was proposed. The system is composed of two sides facing each other, each with one or two lasers that are controlled by a visually servoed two-DOF manipulator, a camera, and a screen. The relative six-DOF displacement between the two sides can be estimated by calculating the positions of the projected laser beams on the screens and the rotation angles of manipulators. To verify the performance of the proposed system, two kinds of field tests were carried out. A prototype of the system was built and installed on a steel frame building structure and a railway bridge, respectively. The estimated displacements were compared with the reconstructed displacement from an accelerometer. The test results verify the performance of the system and its applicability to real structures. |
| doi_str_mv | 10.1109/TMECH.2013.2290020 |
| format | Article |
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To directly measure the displacement in the time domain, a visually servoed paired structured light system was proposed. The system is composed of two sides facing each other, each with one or two lasers that are controlled by a visually servoed two-DOF manipulator, a camera, and a screen. The relative six-DOF displacement between the two sides can be estimated by calculating the positions of the projected laser beams on the screens and the rotation angles of manipulators. To verify the performance of the proposed system, two kinds of field tests were carried out. A prototype of the system was built and installed on a steel frame building structure and a railway bridge, respectively. The estimated displacements were compared with the reconstructed displacement from an accelerometer. The test results verify the performance of the system and its applicability to real structures.</description><identifier>ISSN: 1083-4435</identifier><identifier>EISSN: 1941-014X</identifier><identifier>DOI: 10.1109/TMECH.2013.2290020</identifier><identifier>CODEN: IATEFW</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cameras ; Construction ; Displacement ; Displacement measurement ; experimental verification ; Kinematics ; Laser beams ; Lasers ; Manipulators ; Mathematical analysis ; Measurement by laser beam ; Mechatronics ; Monitoring ; Robot arms ; Screens ; structural health monitoring ; Testing ; visually servoed paired structured light system (ViSP)</subject><ispartof>IEEE/ASME transactions on mechatronics, 2014-10, Vol.19 (5), p.1603-1611</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Oct 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-b918f31d90607a30353412f82e0c9740e97c4c32c3c6d49f4ac38023dfd7adfa3</citedby><cites>FETCH-LOGICAL-c328t-b918f31d90607a30353412f82e0c9740e97c4c32c3c6d49f4ac38023dfd7adfa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6675868$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6675868$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Jeon, Haemin</creatorcontrib><creatorcontrib>Myeong, Wancheol</creatorcontrib><creatorcontrib>Shin, Jae-Uk</creatorcontrib><creatorcontrib>Park, Jong-Woong</creatorcontrib><creatorcontrib>Jung, Hyung-Jo</creatorcontrib><creatorcontrib>Myung, Hyun</creatorcontrib><title>Experimental Validation of Visually Servoed Paired Structured Light System (ViSP) for Structural Displacement Monitoring</title><title>IEEE/ASME transactions on mechatronics</title><addtitle>TMECH</addtitle><description>Structural displacement is considered an important indicator to assess structural conditions. To directly measure the displacement in the time domain, a visually servoed paired structured light system was proposed. The system is composed of two sides facing each other, each with one or two lasers that are controlled by a visually servoed two-DOF manipulator, a camera, and a screen. The relative six-DOF displacement between the two sides can be estimated by calculating the positions of the projected laser beams on the screens and the rotation angles of manipulators. To verify the performance of the proposed system, two kinds of field tests were carried out. A prototype of the system was built and installed on a steel frame building structure and a railway bridge, respectively. The estimated displacements were compared with the reconstructed displacement from an accelerometer. The test results verify the performance of the system and its applicability to real structures.</description><subject>Cameras</subject><subject>Construction</subject><subject>Displacement</subject><subject>Displacement measurement</subject><subject>experimental verification</subject><subject>Kinematics</subject><subject>Laser beams</subject><subject>Lasers</subject><subject>Manipulators</subject><subject>Mathematical analysis</subject><subject>Measurement by laser beam</subject><subject>Mechatronics</subject><subject>Monitoring</subject><subject>Robot arms</subject><subject>Screens</subject><subject>structural health monitoring</subject><subject>Testing</subject><subject>visually servoed paired structured light system (ViSP)</subject><issn>1083-4435</issn><issn>1941-014X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkUtPwzAQhCMEEs8_ABdLXOCQsn4ksY-olIdURKVCxS0yjg1GaVxsB7X_HpeiHjjtHL6ZXe1k2SmGAcYgrp4fR8P7AQFMB4QIAAI72QEWDOeA2etu0sBpzhgt9rPDED4BgGHAB9lytFxob-e6i7JFM9naRkbrOuQMmtnQy7Zdoan23043aCKtT2Mafa9iv5Zj-_4R0XQVop6ji5mdTi6RcX6LpMwbGxatVHq9Aj26zkbnbfd-nO0Z2QZ98jePspfb0fPwPh8_3T0Mr8e5ooTH_E1gbihuBJRQSQq0oAwTw4kGJSoGWlSKJVRRVTZMGCYV5UBoY5pKNkbSo-xik7vw7qvXIdZzG5RuW9lp14caF4WooKCcJ_T8H_rpet-l6xLFCsEJK1miyIZS3oXgtakX6X_Sr2oM9bqM-reMel1G_VdGMp1tTFZrvTWUZVXwktMf0H2GnA</recordid><startdate>20141001</startdate><enddate>20141001</enddate><creator>Jeon, Haemin</creator><creator>Myeong, Wancheol</creator><creator>Shin, Jae-Uk</creator><creator>Park, Jong-Woong</creator><creator>Jung, Hyung-Jo</creator><creator>Myung, Hyun</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To directly measure the displacement in the time domain, a visually servoed paired structured light system was proposed. The system is composed of two sides facing each other, each with one or two lasers that are controlled by a visually servoed two-DOF manipulator, a camera, and a screen. The relative six-DOF displacement between the two sides can be estimated by calculating the positions of the projected laser beams on the screens and the rotation angles of manipulators. To verify the performance of the proposed system, two kinds of field tests were carried out. A prototype of the system was built and installed on a steel frame building structure and a railway bridge, respectively. The estimated displacements were compared with the reconstructed displacement from an accelerometer. 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| subjects | Cameras Construction Displacement Displacement measurement experimental verification Kinematics Laser beams Lasers Manipulators Mathematical analysis Measurement by laser beam Mechatronics Monitoring Robot arms Screens structural health monitoring Testing visually servoed paired structured light system (ViSP) |
| title | Experimental Validation of Visually Servoed Paired Structured Light System (ViSP) for Structural Displacement Monitoring |
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