Seismic response control of building structures under pulse-type ground motions by active vibration controller

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Said Elias
  • Salah Djerouni
  • Dario De Domenico
  • Mahdi Abdeddaim
  • Mohamed Hechmi El Ouni

Externe Organisationen

  • University of Twente
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)345-367
Seitenumfang23
FachzeitschriftJournal of Low Frequency Noise, Vibration and Active Control
Jahrgang42
Ausgabenummer1
PublikationsstatusVeröffentlicht - März 2023
Extern publiziertJa

Abstract

Active vibration control systems are commonly reported to be the most robust and effective method for vibration control of structures. However, the type of ground motions and the type of analysis may greatly influence their performances. This study investigates the seismic response of building with and without an active controller under pulse-type ground motions. A 20-story non-linear steel benchmark building is considered. Linear and non-linear analysis is conducted to check the effectiveness of the active control system. Active control with a linear quadratic Gaussian (LQG) control algorithm is applied to the benchmark building for seismic control purposes. Initially, some ground motions are selected following earlier studies from the literature concerning the benchmark building. It is found that the LQG control algorithm is quite effective under the considered earthquakes, and the analysis type does not affect the effectiveness of the controller. Thereafter, a set of additional 69 pulse-type ground motions are considered to check the performance of the LQG control algorithm and to find the suitability of linear analysis. It is noticed that under such pulse-type ground motion, the LQG control algorithm is not much effective if the non-linear behavior of the structure is incorporated in the seismic analysis, whereas in case of linear analysis, the LQG control algorithm is still effective. It is concluded that neglecting the non-linear behavior may lead to unconservative estimates of the seismic response when performing seismic analysis and designing structures equipped with active vibration control systems.

ASJC Scopus Sachgebiete

Zitieren

Seismic response control of building structures under pulse-type ground motions by active vibration controller. / Elias, Said; Djerouni, Salah; Domenico, Dario De et al.
in: Journal of Low Frequency Noise, Vibration and Active Control, Jahrgang 42, Nr. 1, 03.2023, S. 345-367.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Download
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AU - Elias, Said

AU - Djerouni, Salah

AU - Domenico, Dario De

AU - Abdeddaim, Mahdi

AU - Ouni, Mohamed Hechmi El

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