An FBG impact location system based on broadband light source and improved TDoA algorithm
When a structure material is damaged by impact events, the reliability and lifetime of the material will be severely affected. So impact location is considered as the prime approach for structural health and damage monitoring. In this study, a novel fiber Bragg grating (FBG) impact location system b...
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| Veröffentlicht in: | Optoelectronics letters 2017-07, Vol.13 (4), p.254-258 |
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| creator | Pang, Dan-dan Sui, Qing-mei Wang, Ming Guo, Dong-mei Sai, Yao-zhang |
| description | When a structure material is damaged by impact events, the reliability and lifetime of the material will be severely affected. So impact location is considered as the prime approach for structural health and damage monitoring. In this study, a novel fiber Bragg grating (FBG) impact location system based on broadband light source is designed, aiming at the shortcoming of existing location systems based on FBG. An improved localization algorithm based on the time difference of arrival (TDoA) is proposed for impact location. According to this algorithm, the impact position can be accurately predicted without wave velocity. Impact planar location experiments are carried out for verification of the FBG impact location system and algorithm on a 400 mm×400 mm×3 mm aluminum alloy plate. The resulted locating error shows high precision and good stability of the proposed system. |
| doi_str_mv | 10.1007/s11801-017-7038-1 |
| format | Article |
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So impact location is considered as the prime approach for structural health and damage monitoring. In this study, a novel fiber Bragg grating (FBG) impact location system based on broadband light source is designed, aiming at the shortcoming of existing location systems based on FBG. An improved localization algorithm based on the time difference of arrival (TDoA) is proposed for impact location. According to this algorithm, the impact position can be accurately predicted without wave velocity. Impact planar location experiments are carried out for verification of the FBG impact location system and algorithm on a 400 mm×400 mm×3 mm aluminum alloy plate. The resulted locating error shows high precision and good stability of the proposed system.</description><identifier>ISSN: 1673-1905</identifier><identifier>EISSN: 1993-5013</identifier><identifier>DOI: 10.1007/s11801-017-7038-1</identifier><language>eng</language><publisher>Tianjin: Tianjin University of Technology</publisher><subject>Algorithms ; Aluminum base alloys ; Broadband ; Impact damage ; Impact prediction ; Lasers ; Optical Devices ; Optics ; Photonics ; Physics ; Physics and Astronomy ; Plates (structural members) ; Position (location) ; Service life assessment ; Structural damage</subject><ispartof>Optoelectronics letters, 2017-07, Vol.13 (4), p.254-258</ispartof><rights>Tianjin University of Technology and Springer-Verlag GmbH Germany 2017</rights><rights>Copyright Springer Science & Business Media 2017</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-c279483784900f50c9c08b091361230710d27525211abc68a6a1b144e92c65c23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11801-017-7038-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11801-017-7038-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Pang, Dan-dan</creatorcontrib><creatorcontrib>Sui, Qing-mei</creatorcontrib><creatorcontrib>Wang, Ming</creatorcontrib><creatorcontrib>Guo, Dong-mei</creatorcontrib><creatorcontrib>Sai, Yao-zhang</creatorcontrib><title>An FBG impact location system based on broadband light source and improved TDoA algorithm</title><title>Optoelectronics letters</title><addtitle>Optoelectron. Lett</addtitle><description>When a structure material is damaged by impact events, the reliability and lifetime of the material will be severely affected. So impact location is considered as the prime approach for structural health and damage monitoring. In this study, a novel fiber Bragg grating (FBG) impact location system based on broadband light source is designed, aiming at the shortcoming of existing location systems based on FBG. An improved localization algorithm based on the time difference of arrival (TDoA) is proposed for impact location. According to this algorithm, the impact position can be accurately predicted without wave velocity. Impact planar location experiments are carried out for verification of the FBG impact location system and algorithm on a 400 mm×400 mm×3 mm aluminum alloy plate. The resulted locating error shows high precision and good stability of the proposed system.</description><subject>Algorithms</subject><subject>Aluminum base alloys</subject><subject>Broadband</subject><subject>Impact damage</subject><subject>Impact prediction</subject><subject>Lasers</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Plates (structural members)</subject><subject>Position (location)</subject><subject>Service life assessment</subject><subject>Structural damage</subject><issn>1673-1905</issn><issn>1993-5013</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kDFPwzAQhS0EElXpD2CzxBy4s5M4HkuhBakSSxmYLMdx21RJXOwUqf8eR-nAggf7znrf3dMj5B7hEQHEU0AsABNAkQjgRYJXZIJS8iQD5NexzgVPUEJ2S2YhHCAezkSRygn5mnd0-byidXvUpqeNM7qvXUfDOfS2paUOtqKxL73TVam7ijb1bt_T4E7eWDp8RNS7nyjbvLg51c3O-brft3fkZqubYGeXd0o-l6-bxVuy_li9L-brxLC86OMtZFrwwQ3ANgMjDRQlSOQ5Mg4CoWIiYxlD1KXJC51rLDFNrWQmzwzjU_Iwzo0uvk829OoQvXVxpUIZOc5ljlGFo8p4F4K3W3X0dav9WSGoIUQ1hqhiiGoIUQ0MG5kQtd3O-j-T_4V-ATNCcY8</recordid><startdate>20170701</startdate><enddate>20170701</enddate><creator>Pang, Dan-dan</creator><creator>Sui, Qing-mei</creator><creator>Wang, Ming</creator><creator>Guo, Dong-mei</creator><creator>Sai, Yao-zhang</creator><general>Tianjin University of Technology</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170701</creationdate><title>An FBG impact location system based on broadband light source and improved TDoA algorithm</title><author>Pang, Dan-dan ; Sui, Qing-mei ; Wang, Ming ; Guo, Dong-mei ; Sai, Yao-zhang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c268t-c279483784900f50c9c08b091361230710d27525211abc68a6a1b144e92c65c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Algorithms</topic><topic>Aluminum base alloys</topic><topic>Broadband</topic><topic>Impact damage</topic><topic>Impact prediction</topic><topic>Lasers</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Photonics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Plates (structural members)</topic><topic>Position (location)</topic><topic>Service life assessment</topic><topic>Structural damage</topic><toplevel>online_resources</toplevel><creatorcontrib>Pang, Dan-dan</creatorcontrib><creatorcontrib>Sui, Qing-mei</creatorcontrib><creatorcontrib>Wang, Ming</creatorcontrib><creatorcontrib>Guo, Dong-mei</creatorcontrib><creatorcontrib>Sai, Yao-zhang</creatorcontrib><collection>CrossRef</collection><jtitle>Optoelectronics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pang, Dan-dan</au><au>Sui, Qing-mei</au><au>Wang, Ming</au><au>Guo, Dong-mei</au><au>Sai, Yao-zhang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An FBG impact location system based on broadband light source and improved TDoA algorithm</atitle><jtitle>Optoelectronics letters</jtitle><stitle>Optoelectron. Lett</stitle><date>2017-07-01</date><risdate>2017</risdate><volume>13</volume><issue>4</issue><spage>254</spage><epage>258</epage><pages>254-258</pages><issn>1673-1905</issn><eissn>1993-5013</eissn><abstract>When a structure material is damaged by impact events, the reliability and lifetime of the material will be severely affected. So impact location is considered as the prime approach for structural health and damage monitoring. In this study, a novel fiber Bragg grating (FBG) impact location system based on broadband light source is designed, aiming at the shortcoming of existing location systems based on FBG. An improved localization algorithm based on the time difference of arrival (TDoA) is proposed for impact location. According to this algorithm, the impact position can be accurately predicted without wave velocity. Impact planar location experiments are carried out for verification of the FBG impact location system and algorithm on a 400 mm×400 mm×3 mm aluminum alloy plate. 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| ispartof | Optoelectronics letters, 2017-07, Vol.13 (4), p.254-258 |
| issn | 1673-1905 1993-5013 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Algorithms Aluminum base alloys Broadband Impact damage Impact prediction Lasers Optical Devices Optics Photonics Physics Physics and Astronomy Plates (structural members) Position (location) Service life assessment Structural damage |
| title | An FBG impact location system based on broadband light source and improved TDoA algorithm |
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