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This book presents a detailed discussion of intelligent techniques
to measure the displacement of buildings when they are subjected to
vibration. It shows how these techniques are used to control active
devices that can reduce vibration 60-80% more effectively than
widely used passive anti-seismic systems. After introducing various
structural control devices and building-modeling and active
structural control methods, the authors propose offset cancellation
and high-pass filtering techniques to solve some common problems of
building-displacement measurement using accelerometers. The most
popular control algorithms in industrial settings, PD/PID
controllers, are then analyzed and then combined with fuzzy
compensation. The stability of this combination is proven with
standard weight-training algorithms. These conditions provide
explicit methods for selecting PD/PID controllers. Finally,
fuzzy-logic and sliding-mode control are applied to the control of
wind-induced vibration. The methods described are supported by
reports of experimental studies on a two-story building prototype.
This book is a valuable resource for academic researchers
interested in the effects of control and mechatronic devices within
buildings, or those studying the principles of vibration reduction.
Practicing engineers working on the design and construction of any
sort of high-rise or vulnerable building and concerned with the
effects of either wind or seismic disturbances benefit from the
efficacy of the methods proposed.
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