On-line identification of non-linear hysteretic structural systems using a variable trace approach
In this paper, an adaptive on‐line parametric identification algorithm based on the variable trace approach is presented for the identification of non‐linear hysteretic structures. At each time step, this recursive least‐square‐based algorithm upgrades the diagonal elements of the adaptation gain ma...
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| Veröffentlicht in: | Earthquake engineering & structural dynamics 2001-09, Vol.30 (9), p.1279-1303 |
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| container_issue | 9 |
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| container_title | Earthquake engineering & structural dynamics |
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| creator | Lin, Jeng-Wen Betti, Raimondo Smyth, Andrew W. Longman, Richard W. |
| description | In this paper, an adaptive on‐line parametric identification algorithm based on the variable trace approach is presented for the identification of non‐linear hysteretic structures. At each time step, this recursive least‐square‐based algorithm upgrades the diagonal elements of the adaptation gain matrix by comparing the values of estimated parameters between two consecutive time steps. Such an approach will enforce a smooth convergence of the parameter values, a fast tracking of the parameter changes and will remain adaptive as time progresses. The effectiveness and efficiency of the proposed algorithm is shown by considering the effects of excitation amplitude, of the measurement units, of larger sampling time interval and of measurement noise. The cases of exact‐, under‐, over‐parameterization of the structural model have been analysed. The proposed algorithm is also quite effective in identifying time‐varying structural parameters to simulate cumulative damage in structural systems. Copyright © 2001 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/eqe.63 |
| format | Article |
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At each time step, this recursive least‐square‐based algorithm upgrades the diagonal elements of the adaptation gain matrix by comparing the values of estimated parameters between two consecutive time steps. Such an approach will enforce a smooth convergence of the parameter values, a fast tracking of the parameter changes and will remain adaptive as time progresses. The effectiveness and efficiency of the proposed algorithm is shown by considering the effects of excitation amplitude, of the measurement units, of larger sampling time interval and of measurement noise. The cases of exact‐, under‐, over‐parameterization of the structural model have been analysed. The proposed algorithm is also quite effective in identifying time‐varying structural parameters to simulate cumulative damage in structural systems. Copyright © 2001 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0098-8847</identifier><identifier>EISSN: 1096-9845</identifier><identifier>DOI: 10.1002/eqe.63</identifier><identifier>CODEN: IJEEBG</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>adaptive recursive least squares ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Engineering geology ; Exact sciences and technology ; non-linear hysteretic structures ; parametric identification ; progressive damage ; time-varying parameters ; variable trace method</subject><ispartof>Earthquake engineering & structural dynamics, 2001-09, Vol.30 (9), p.1279-1303</ispartof><rights>Copyright © 2001 John Wiley & Sons, Ltd.</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3533-d2d93e8b8d5f1ce39ad9dd2f6ea544081b28f22c5139f97bd695e17d8ed75ea63</citedby><cites>FETCH-LOGICAL-c3533-d2d93e8b8d5f1ce39ad9dd2f6ea544081b28f22c5139f97bd695e17d8ed75ea63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Feqe.63$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Feqe.63$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1128562$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lin, Jeng-Wen</creatorcontrib><creatorcontrib>Betti, Raimondo</creatorcontrib><creatorcontrib>Smyth, Andrew W.</creatorcontrib><creatorcontrib>Longman, Richard W.</creatorcontrib><title>On-line identification of non-linear hysteretic structural systems using a variable trace approach</title><title>Earthquake engineering & structural dynamics</title><addtitle>Earthquake Engng. Struct. Dyn</addtitle><description>In this paper, an adaptive on‐line parametric identification algorithm based on the variable trace approach is presented for the identification of non‐linear hysteretic structures. At each time step, this recursive least‐square‐based algorithm upgrades the diagonal elements of the adaptation gain matrix by comparing the values of estimated parameters between two consecutive time steps. Such an approach will enforce a smooth convergence of the parameter values, a fast tracking of the parameter changes and will remain adaptive as time progresses. The effectiveness and efficiency of the proposed algorithm is shown by considering the effects of excitation amplitude, of the measurement units, of larger sampling time interval and of measurement noise. The cases of exact‐, under‐, over‐parameterization of the structural model have been analysed. The proposed algorithm is also quite effective in identifying time‐varying structural parameters to simulate cumulative damage in structural systems. Copyright © 2001 John Wiley & Sons, Ltd.</description><subject>adaptive recursive least squares</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Engineering geology</subject><subject>Exact sciences and technology</subject><subject>non-linear hysteretic structures</subject><subject>parametric identification</subject><subject>progressive damage</subject><subject>time-varying parameters</subject><subject>variable trace method</subject><issn>0098-8847</issn><issn>1096-9845</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNp1kE1r3DAQQEVpods0_Q06lEIPTvVhydIxGzZpITQsNAnkIsbSqFHjtTeSnXT_fZ1uaE49Dcw83sAj5ANnR5wx8QXv8UjLV2TBmdWVNbV6TRaMWVMZUzdvybtSfjHGpGbNgrQXfdWlHmkK2I8pJg9jGno6RNoP-xNkersrI2Yck6dlzJMfpwwdLU_bTaFTSf1PCvQBcoK2Qzpm8Ehhu80D-Nv35E2EruDh8zwgl6erHydfq_OLs28nx-eVl0rKKohgJZrWBBW5R2kh2BBE1AiqrpnhrTBRCK-4tNE2bdBWIW-CwdAoBC0PyKe9d357P2EZ3SYVj10HPQ5TcaJWRmvNXkCfh1IyRrfNaQN55zhzTwndnNBpOYMfn41QPHQxQ-9TeaG5MEqLGfu8xx5Th7v_yNxqvfqrrPZsmtv9_sdCvnO6kY1y19_P3NX6Zrm8Wi-dlH8AzpqPaw</recordid><startdate>200109</startdate><enddate>200109</enddate><creator>Lin, Jeng-Wen</creator><creator>Betti, Raimondo</creator><creator>Smyth, Andrew W.</creator><creator>Longman, Richard W.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SM</scope><scope>8FD</scope><scope>FR3</scope></search><sort><creationdate>200109</creationdate><title>On-line identification of non-linear hysteretic structural systems using a variable trace approach</title><author>Lin, Jeng-Wen ; Betti, Raimondo ; Smyth, Andrew W. ; Longman, Richard W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3533-d2d93e8b8d5f1ce39ad9dd2f6ea544081b28f22c5139f97bd695e17d8ed75ea63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>adaptive recursive least squares</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Engineering geology</topic><topic>Exact sciences and technology</topic><topic>non-linear hysteretic structures</topic><topic>parametric identification</topic><topic>progressive damage</topic><topic>time-varying parameters</topic><topic>variable trace method</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lin, Jeng-Wen</creatorcontrib><creatorcontrib>Betti, Raimondo</creatorcontrib><creatorcontrib>Smyth, Andrew W.</creatorcontrib><creatorcontrib>Longman, Richard W.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Earthquake Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><jtitle>Earthquake engineering & structural dynamics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, Jeng-Wen</au><au>Betti, Raimondo</au><au>Smyth, Andrew W.</au><au>Longman, Richard W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On-line identification of non-linear hysteretic structural systems using a variable trace approach</atitle><jtitle>Earthquake engineering & structural dynamics</jtitle><addtitle>Earthquake Engng. Struct. Dyn</addtitle><date>2001-09</date><risdate>2001</risdate><volume>30</volume><issue>9</issue><spage>1279</spage><epage>1303</epage><pages>1279-1303</pages><issn>0098-8847</issn><eissn>1096-9845</eissn><coden>IJEEBG</coden><abstract>In this paper, an adaptive on‐line parametric identification algorithm based on the variable trace approach is presented for the identification of non‐linear hysteretic structures. At each time step, this recursive least‐square‐based algorithm upgrades the diagonal elements of the adaptation gain matrix by comparing the values of estimated parameters between two consecutive time steps. Such an approach will enforce a smooth convergence of the parameter values, a fast tracking of the parameter changes and will remain adaptive as time progresses. The effectiveness and efficiency of the proposed algorithm is shown by considering the effects of excitation amplitude, of the measurement units, of larger sampling time interval and of measurement noise. The cases of exact‐, under‐, over‐parameterization of the structural model have been analysed. The proposed algorithm is also quite effective in identifying time‐varying structural parameters to simulate cumulative damage in structural systems. Copyright © 2001 John Wiley & Sons, Ltd.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/eqe.63</doi><tpages>25</tpages></addata></record> |
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| subjects | adaptive recursive least squares Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Engineering geology Exact sciences and technology non-linear hysteretic structures parametric identification progressive damage time-varying parameters variable trace method |
| title | On-line identification of non-linear hysteretic structural systems using a variable trace approach |
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