Input-Output Discrete-Time Control of Structures

by J. Rodellar, Technical Univ of Catalunya, Barcelona, Spain,
A. M. Reinhorn, Technical Univ of Catalunya, Barcelona, Spain,
T. T. Soong, Technical Univ of Catalunya, Barcelona, Spain,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


This paper outlines an approach for active control of structures based on the identification of a linear difference equation to describe the control loop and the design of a discrete-time control algorithm based on this identified model. The design of an active control algorithm is based on two main steps: (i) To formulate and identify a mathematical model of the closed loop including the structure and the instrumentation required to perform the feedback control operation and (ii) to define a strategy or objective in such a way that the control will make the model (and consequently the structure) to reach the objective.

Subject Headings: Structural control | Structural models | Control systems | Algorithms | Linear functions | Instrumentation | Hydraulic structures | Structural analysis

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