Semi-active seismic response control of base-isolated building with MR damper

Satsuya Soda; Harahide Kusumoto; Ryosuke Chatani; Norio Iwata; Hideo Fujitani; Yo Ichi Shiozaki; Takeshi Hiwatashi

doi:10.1117/12.483983

Semi-active seismic response control of base-isolated building with MR damper

Satsuya Soda, Harahide Kusumoto, Ryosuke Chatani, Norio Iwata, Hideo Fujitani, Yo Ichi Shiozaki, Takeshi Hiwatashi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

This study deals with a shake table test on a three-story base-isolated steel frame. The frame rests on four roller bearings for isolation and is equipped with four laminated rubbers as shear spring. An MR damper is used in the test to perform semi-active seismic response control. The basic control algorithm applied in the study is to simulate the load-deflection relation of an origin-restoring friction damper (ORFD) which is a sort of friction damper that looses its resistance when it moves toward the origin, making sure for the base-isolated system to minimize residual displacement even after an extremely strong ground motion. Also attempted is a hybrid type control that superposes viscous damping on the ORFD when the damper moves from the peak displacement toward the origin.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Editors	G.S. Agnes, K-W. Wang
Pages	460-467
Number of pages	8
Volume	5052
DOIs	https://doi.org/10.1117/12.483983
Publication status	Published - 2003
Event	PROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: Smart Structures and Materials 2003 Damping and Isolation - San Diego, CA, United States Duration: 2003 Mar 3 → 2003 Mar 5

Other

Other	PROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: Smart Structures and Materials 2003 Damping and Isolation
Country	United States
City	San Diego, CA
Period	03/3/3 → 03/3/5

Keywords

Base-isolated steel frame
Hybrid damping
MR damper
Semi-active vibration control
Shake table test

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

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Semi-active seismic response control of base-isolated building with MR damper. / Soda, Satsuya; Kusumoto, Harahide; Chatani, Ryosuke; Iwata, Norio; Fujitani, Hideo; Shiozaki, Yo Ichi; Hiwatashi, Takeshi.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / G.S. Agnes; K-W. Wang. Vol. 5052 2003. p. 460-467.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Soda, S, Kusumoto, H, Chatani, R, Iwata, N, Fujitani, H, Shiozaki, YI & Hiwatashi, T 2003, Semi-active seismic response control of base-isolated building with MR damper. in GS Agnes & K-W Wang (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5052, pp. 460-467, PROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: Smart Structures and Materials 2003 Damping and Isolation, San Diego, CA, United States, 03/3/3. https://doi.org/10.1117/12.483983

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abstract = "This study deals with a shake table test on a three-story base-isolated steel frame. The frame rests on four roller bearings for isolation and is equipped with four laminated rubbers as shear spring. An MR damper is used in the test to perform semi-active seismic response control. The basic control algorithm applied in the study is to simulate the load-deflection relation of an origin-restoring friction damper (ORFD) which is a sort of friction damper that looses its resistance when it moves toward the origin, making sure for the base-isolated system to minimize residual displacement even after an extremely strong ground motion. Also attempted is a hybrid type control that superposes viscous damping on the ORFD when the damper moves from the peak displacement toward the origin.",

keywords = "Base-isolated steel frame, Hybrid damping, MR damper, Semi-active vibration control, Shake table test",

author = "Satsuya Soda and Harahide Kusumoto and Ryosuke Chatani and Norio Iwata and Hideo Fujitani and Shiozaki, {Yo Ichi} and Takeshi Hiwatashi",

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