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Selecting Representative Scenarios for Contingency Analysis of Infrastructure Systems with Dependent Component Failures

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dc.contributor.authorRosero-Velásquez, Hugo-
dc.contributor.authorStraub, Daniel-
dc.date.accessioned2019-05-14T03:07:39Z-
dc.date.available2019-05-14T03:07:39Z-
dc.date.issued2019-05-26-
dc.identifier.citation13th International Conference on Applications of Statistics and Probability in Civil Engineering(ICASP13), Seoul, South Korea, May 26-30, 2019-
dc.identifier.isbn979-11-967125-0-1-
dc.identifier.otherICASP13-335-
dc.identifier.urihttps://hdl.handle.net/10371/153473-
dc.description.abstractClassical contingency analysis assesses the robustness of infrastructure systems by removing one component at the time (sometimes up to two components) and evaluating the effect on the system performance Y. In systems with dependent component failures, this approach might not identify critical system failure scenarios, e.g. if failures are caused by natural hazards or other common causes. In this contribution, we develop an approach to identify representative scenarios ST of component failures that are associated with damages or performance losses of a specific return period T. In practice, such scenarios are mostly defined based on historical data and expert knowledge, which often reflect past events but might not be representative of future events. Our approach is based on an initial Monte Carlo analysis of the system, resulting in an annual exceedance probability function of the system performance Y. Samples that approximately correspond to the value of Y associated with the return period of interest T are selected. The representative scenario for T is then identified by means of a clustering algorithm applied to these samples. The approach is demonstrated on a numerical example.-
dc.description.sponsorshipThis work has been sponsored by the research and development project RIESGOS (Grant No. 03G0876), funded by the German Federal Ministry of Education and Research (BMBF) as part of the funding programme "BMBF CLIENT II – International Partnerships for Sustainable Innovations".-
dc.language.isoen-
dc.titleSelecting Representative Scenarios for Contingency Analysis of Infrastructure Systems with Dependent Component Failures-
dc.typeConference Paper-
dc.identifier.doi10.22725/ICASP13.335-
dc.sortNo665-
dc.citation.pages1707-1714-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)ICASP13
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