Tomorrow Nov 30 NHERI LEHIGH SEMINAR SERIES: HIGH PERFORMANCE CONTROL SYSTEMS FOR MULTI-HAZARD MITIGATION

[announce at designsafe-ci.org]

Register online https://www.designsafe-ci.org/learning-center/seminar-171130/

ABSTRACT

Simon Laflamme, PhD
Associate Professor, Iowa State University

High performance control systems (HPCS), including semi-active, active and hybrid supplemental damping systems, are effective solutions to increase structural performance versus multi-hazard excitations. However, the implementation of HPCS within structural systems is still in its infancy, because of the complexity in designing a robust closed-loop control system that can ensure reliable and high mitigation performance. In this seminar, these closed-loop challenges impeding the implementation of HPCS are introduced, with a particular attention to multi-hazards applications. Two devices for HPCS are presented as possible solutions, including a semi-active structural cladding connection and a variable rotary friction device, both developed in collaboration with Lehigh University. Lastly, an intelligent controller that has the particularity to adapt in real-time to different hazard dynamics is briefly discussed, and its performance demonstrated.


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