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Titolo:
Control of seismically excited vibration using electrorheological materials and Lyapunov methods
Autore:
Gavin, HP;
Indirizzi:
Duke Univ, Dept Civil & Environm Engn, Durham, NC 27708 USA Duke Univ Durham NC USA 27708 Civil & Environm Engn, Durham, NC 27708 USA
Titolo Testata:
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
fascicolo: 1, volume: 9, anno: 2001,
pagine: 27 - 36
SICI:
1063-6536(200101)9:1<27:COSEVU>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHENOMENOLOGICAL MODEL; VISCOELASTIC RESPONSE; OSCILLATORY SHEAR; ER-FLUID; DAMPERS; SUSPENSIONS; DESIGN; PROTECTION; DEPENDENCE; MECHANISMS;
Keywords:
adaptive control; analog circuits; earthquakes; EHV measurements; feedback circuits; frequency domain analysis; MOSFET switches; nonlinear systems; velocity measurement;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Gavin, HP Duke Univ, Dept Civil & Environm Engn, Durham, NC 27708 USA DukeUniv Durham NC USA 27708 vironm Engn, Durham, NC 27708 USA
Citazione:
H.P. Gavin, "Control of seismically excited vibration using electrorheological materials and Lyapunov methods", IEEE CON SY, 9(1), 2001, pp. 27-36

Abstract

This paper describes the use of electrorheological (ER) materials in a vibration control system designed to suppress earthquake-excited vibrations. Astate-variable model for the ER device is based on micromechanical simulations and rheometric measurements of ER materials. A decentralized bang-bangcontrol law is synthesized using Lyapunov's direct method and is implemented using analog circuitry. The behavior of the closed-loop system is illustrated on a small scale (1:15) building model driven by ground accelerations. The combined effects and relative importance of the controllable stiffness and damping properties of ER materials are examined.

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Documento generato il 27/09/20 alle ore 12:44:56