NDLI: Seismic response control of a complex structure using multiple MR dampers: experimental investigation

Content Provider	Springer Nature Link
Author	Jing, Chen Youlin, Xu Weilian, Qu Zhilun, Wu
Copyright Year	2004
Abstract	This paper presents an experimental investigation on semi-active seismic response control of a multistory building with a podium structure using multiple magnetorheological (MR) dampers manipulated by a logic control algorithm. The experiments are performed in three phases on a seismic simulator with a slender 12-story building model representing a multi-story building and a relatively stiff 3-story building model typifying a podium structure. The first phase of the investigation is to assess control performance of using three MR dampers to link the 3-story building to the 12-story building, in which seismic responses of the controlled two buildings are compared with those of the two buildings without any connection and with rigid connection. The second phase is to investigate reliability of the semi-active control system and robustness of the logic control algorithm when 2 out of 3 MR dampers fail and when the electricity supply to MR dampers is completely stopped. The last phase is to examine sensitivity of semi-active control performance of two buildings to change in ground excitation. The experimental results show that multiple MR dampers with the logic control algorithm can achieve a significant reduction in seismic responses of both buildings. The proposed semi-active control system is of high reliability and good robustness.
Starting Page	181
Ending Page	193
Page Count	13
File Format	PDF
ISSN	16713664
Journal	Earthquake Engineering and Engineering Vibration
Volume Number	3
Issue Number	2
e-ISSN	1993503X
Language	English
Publisher	Institute of Engineering Mechanics, China Earthquake Administration
Publisher Date	2004-01-01
Publisher Place	Harbin
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	experimental investigation complex structure multiple MR dampers logic control seismic response Geotechnical Engineering Civil Engineering Vibration, Dynamical Systems, Control
Content Type	Text
Resource Type	Article
Subject	Building and Construction Geophysics Mechanical Engineering Geotechnical Engineering and Engineering Geology Civil and Structural Engineering

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