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Application of Modern Control Theory for Building Structures

by Mohammad Ali Basharkhah, Englekirk & Hart Consulting, Engineers Inc, Los Angeles, CA, USA,
James T. P. Yao, Englekirk & Hart Consulting, Engineers Inc, Los Angeles, CA, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

Active control systems can be used to reduce the effect of strong-motion earthquakes. During the past two decades, various approaches have been applied to find the optimal control law. A technique based upon modal analysis is developed and presented herein. The present method is based upon a stochastic approach and a modal analysis for reducing displacement response of building structures to earthquakes. For the purposes of illustration, a numerical example is also given.

Subject Headings: Control systems | Structural control | Modal analysis | Earthquakes | Dynamic structural analysis | Dynamic loads | Earthquake resistant structures

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