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Design of controlled elastic and inelastic structures

Earthquake Engineering and Engineering Vibration 2009年第4期8卷 469-479页

作者： A.M.Reinhorn O.Lavan G.P.Cimellaro Dept.of Civil Structural & Environmental EngineeringUniv.at Buffalo-The State University of NewYork Faculty of Civil and Environmental Engineering Technion-Israel Institute of Technology Dept.of Structural & Geotechnical Engineering DISTR Politecnico di Torino

One of the founders of structural control theory and its application in civil engineering, Professor Emeritus Tsu T. Soong, envisioned the development of the integral design of structures protected by active control devices. Most of his disciples and colleagues continuously attempted to develop procedures to achieve such integral control. In his recent papers published jointly with some of the authors of this paper, Professor Soong developed design procedures for the entire structure using a design - redesign procedure applied to elastic systems. Such a procedure was developed as an extension of other work by his disciples. This paper summarizes some recent techniques that use traditional active control algorithms to derive the most suitable （optimal, stable） control force, which could then be implemented with a combination of active, passive and semi-active devices through a simple match or more sophisticated optimal procedures. Alternative design can address the behavior of structures using Liapunov stability criteria. This paper shows a unified procedure which can be applied to both elastic and inelastic structures. Although the implementation does not always preserve the optimal criteria, it is shown that the solutions are effective and practical for design of supplemental damping, stiffness enhancement or softening, and strengthening or weakening.

关键词： active control integral control design redesign procedure inelastic structures viscoelastic braces

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