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212 Ketter Hall, North Campus, Buffalo, NY 14260

www.civil.buffalo.edu

Fax: 716 645 3733 Tel: 716 645 2114 x 2400

Control of Structural

Vibrations

Instructor:

Andrei M. Reinhorn P.Eng. D.Sc.

Professor of Structural Engineering

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Conventional Structure without Control

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Protected Structure with Control

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STRUCTURAL CONTROLHYSTORY

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Structure ResponseExcitation

SensorForceSensor PassivePassive

PowerGenerator

Semi-Passive Semi-Passive

ControlLogic

PerformanceCriteria

PerformanceCriteria

Semi-Active Semi-ActiveActive

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Principle of Structural Control

gx

x

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Equations of Energy Balance

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Energy Balance / Distribution

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Energy Distribution

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Equations of Dynamic Equilibrium

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Equation of Structure with Energy Dissipation

System

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Applications

1. Passive Energy Systems

2. Active / Hybrid Systems

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Principle of Structural Control

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