期刊
ENGINEERING STRUCTURES
卷 30, 期 11, 页码 3336-3344出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2008.05.009
关键词
Dynamic response; Active control; Performance requirement; Bilinear pole-shifting transform; H-infinity control
资金
- Korea Ministry of Construction & Transportation (MOCT) through the Korea Bridge Design & Engineering Research Center at Seoul National University
- Korea Agency for Infrastructure Technology Advancement (KAIA) [03산C02-01] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R11-1997-045-00023-0, 과C6A1702] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A bilinear pole-shifting technique with H-infinity control method is proposed for the dynamic response control of large structures. The proposed control method is a direct pole-placing design approach which can make the structural systems have a certain target damping ratio. The performance requirement is considered as a target damping ratio. And a bilinear transform is adopted to locate the closed-loop poles in a specific region within the H-infinity controller design framework. The relationship between the closed-loop poles and the transform parameters is derived as a quadratic form, which leads to a new non-iterative design procedure. Moreover. robust control features can be incorporated within the H-infinity robust control framework. Thus, the proposed technique effectively combines the desirable features of pole placement and H-infinity control method. To prove the validity of the proposed control method, example designs and numerical simulations of earthquake-excited ten-story buildings are performed and comparative results are presented. (C) 2008 Elsevier Ltd. All rights reserved.
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