Hybrid control strategy for seismic protection of a benchmark cable-stayed bridge
This paper presents a hybrid control strategy for seismic protection of a benchmark cable-stayed bridge, which is provided as a testbed structure for the development of strategies for the control of cable-stayed bridges. In this study, a hybrid control system is composed of a passive control system...
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Veröffentlicht in: | Engineering structures 2003-03, Vol.25 (4), p.405-417 |
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creator | Park, Kyu-Sik Jung, Hyung-Jo Lee, In-Won |
description | This paper presents a hybrid control strategy for seismic protection of a benchmark cable-stayed bridge, which is provided as a
testbed structure for the development of strategies for the control of cable-stayed bridges. In this study, a hybrid control system is composed of a passive control system to reduce the earthquake-induced forces in the structure and an active control system to further reduce the bridge responses, especially deck displacements. Conventional base isolation devices such as lead rubber bearings are used for the passive control design. For the active control design, ideal hydraulic actuators are used and an
H
2/LQG control algorithm is adopted. Numerical simulation results show that the performance of the proposed hybrid control strategy is superior to that of the passive control strategy and slightly better than that of the active control strategy. The hybrid control method is also more reliable than the fully active control method due to the passive control part. Therefore, the proposed control strategy could be effectively used in seismically excited cable-stayed bridges. |
doi_str_mv | 10.1016/S0141-0296(02)00182-7 |
format | Article |
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testbed structure for the development of strategies for the control of cable-stayed bridges. In this study, a hybrid control system is composed of a passive control system to reduce the earthquake-induced forces in the structure and an active control system to further reduce the bridge responses, especially deck displacements. Conventional base isolation devices such as lead rubber bearings are used for the passive control design. For the active control design, ideal hydraulic actuators are used and an
H
2/LQG control algorithm is adopted. Numerical simulation results show that the performance of the proposed hybrid control strategy is superior to that of the passive control strategy and slightly better than that of the active control strategy. The hybrid control method is also more reliable than the fully active control method due to the passive control part. Therefore, the proposed control strategy could be effectively used in seismically excited cable-stayed bridges.</description><identifier>ISSN: 0141-0296</identifier><identifier>EISSN: 1873-7323</identifier><identifier>DOI: 10.1016/S0141-0296(02)00182-7</identifier><identifier>CODEN: ENSTDF</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Applied sciences ; Base isolation system ; Benchmark control problem ; Bridges ; Buildings. Public works ; Computation methods. Tables. Charts ; Exact sciences and technology ; Geotechnics ; H2/LQG control algorithm ; Hybrid control strategy ; Seismic response control ; Structural analysis. Stresses ; Structure-soil interaction ; Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges</subject><ispartof>Engineering structures, 2003-03, Vol.25 (4), p.405-417</ispartof><rights>2003 Elsevier Science Ltd</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-26d35c9b8a8e3f529fba96354e79eb119993a0b6d57aa914862e44133e560cfa3</citedby><cites>FETCH-LOGICAL-c399t-26d35c9b8a8e3f529fba96354e79eb119993a0b6d57aa914862e44133e560cfa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0141-0296(02)00182-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14646509$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Park, Kyu-Sik</creatorcontrib><creatorcontrib>Jung, Hyung-Jo</creatorcontrib><creatorcontrib>Lee, In-Won</creatorcontrib><title>Hybrid control strategy for seismic protection of a benchmark cable-stayed bridge</title><title>Engineering structures</title><description>This paper presents a hybrid control strategy for seismic protection of a benchmark cable-stayed bridge, which is provided as a
testbed structure for the development of strategies for the control of cable-stayed bridges. In this study, a hybrid control system is composed of a passive control system to reduce the earthquake-induced forces in the structure and an active control system to further reduce the bridge responses, especially deck displacements. Conventional base isolation devices such as lead rubber bearings are used for the passive control design. For the active control design, ideal hydraulic actuators are used and an
H
2/LQG control algorithm is adopted. Numerical simulation results show that the performance of the proposed hybrid control strategy is superior to that of the passive control strategy and slightly better than that of the active control strategy. The hybrid control method is also more reliable than the fully active control method due to the passive control part. Therefore, the proposed control strategy could be effectively used in seismically excited cable-stayed bridges.</description><subject>Applied sciences</subject><subject>Base isolation system</subject><subject>Benchmark control problem</subject><subject>Bridges</subject><subject>Buildings. Public works</subject><subject>Computation methods. Tables. Charts</subject><subject>Exact sciences and technology</subject><subject>Geotechnics</subject><subject>H2/LQG control algorithm</subject><subject>Hybrid control strategy</subject><subject>Seismic response control</subject><subject>Structural analysis. Stresses</subject><subject>Structure-soil interaction</subject><subject>Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges</subject><issn>0141-0296</issn><issn>1873-7323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkEtr3DAURkVpodO0P6GgTUK6cHL1sCytQhnygoEQkq6FLF-naj3WRPIE_O-ryYRmOZt7N-e7j0PIdwZnDJg6fwAmWQXcqFPgPwCY5lXzgSyYbkTVCC4-ksV_5DP5kvMfAOBaw4Lc38xtCh31cZxSHGiekpvwaaZ9TDRjyOvg6SbFCf0U4khjTx1tcfS_1y79pd61A1Z5cjN2dDfoCb-ST70bMn5760fk19Xl4_KmWt1d3y5_riovjJkqrjpRe9Nqp1H0NTd964wStcTGYMuYMUY4aFVXN84ZJrXiKCUTAmsFvnfiiJzs55brnreYJ7sO2eMwuBHjNlveGNDKwEGQaVVLJlUB6z3oU8w5YW83KZQ3Z8vA7kzbV9N2p7EU-2raNiV3_LbAZe-GPrnRh_welkqqGkzhLvYcFi0vAZPNPhSV2IVU9NouhgOb_gHWn5IK</recordid><startdate>20030301</startdate><enddate>20030301</enddate><creator>Park, Kyu-Sik</creator><creator>Jung, Hyung-Jo</creator><creator>Lee, In-Won</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T2</scope><scope>7U2</scope><scope>C1K</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20030301</creationdate><title>Hybrid control strategy for seismic protection of a benchmark cable-stayed bridge</title><author>Park, Kyu-Sik ; Jung, Hyung-Jo ; Lee, In-Won</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-26d35c9b8a8e3f529fba96354e79eb119993a0b6d57aa914862e44133e560cfa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Base isolation system</topic><topic>Benchmark control problem</topic><topic>Bridges</topic><topic>Buildings. Public works</topic><topic>Computation methods. Tables. Charts</topic><topic>Exact sciences and technology</topic><topic>Geotechnics</topic><topic>H2/LQG control algorithm</topic><topic>Hybrid control strategy</topic><topic>Seismic response control</topic><topic>Structural analysis. Stresses</topic><topic>Structure-soil interaction</topic><topic>Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Kyu-Sik</creatorcontrib><creatorcontrib>Jung, Hyung-Jo</creatorcontrib><creatorcontrib>Lee, In-Won</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Safety Science and Risk</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Engineering structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Kyu-Sik</au><au>Jung, Hyung-Jo</au><au>Lee, In-Won</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hybrid control strategy for seismic protection of a benchmark cable-stayed bridge</atitle><jtitle>Engineering structures</jtitle><date>2003-03-01</date><risdate>2003</risdate><volume>25</volume><issue>4</issue><spage>405</spage><epage>417</epage><pages>405-417</pages><issn>0141-0296</issn><eissn>1873-7323</eissn><coden>ENSTDF</coden><abstract>This paper presents a hybrid control strategy for seismic protection of a benchmark cable-stayed bridge, which is provided as a
testbed structure for the development of strategies for the control of cable-stayed bridges. In this study, a hybrid control system is composed of a passive control system to reduce the earthquake-induced forces in the structure and an active control system to further reduce the bridge responses, especially deck displacements. Conventional base isolation devices such as lead rubber bearings are used for the passive control design. For the active control design, ideal hydraulic actuators are used and an
H
2/LQG control algorithm is adopted. Numerical simulation results show that the performance of the proposed hybrid control strategy is superior to that of the passive control strategy and slightly better than that of the active control strategy. The hybrid control method is also more reliable than the fully active control method due to the passive control part. Therefore, the proposed control strategy could be effectively used in seismically excited cable-stayed bridges.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0141-0296(02)00182-7</doi><tpages>13</tpages></addata></record> |
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subjects | Applied sciences Base isolation system Benchmark control problem Bridges Buildings. Public works Computation methods. Tables. Charts Exact sciences and technology Geotechnics H2/LQG control algorithm Hybrid control strategy Seismic response control Structural analysis. Stresses Structure-soil interaction Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges |
title | Hybrid control strategy for seismic protection of a benchmark cable-stayed bridge |
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