期刊
ENGINEERING OPTIMIZATION
卷 47, 期 2, 页码 265-286出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0305215X.2014.887704
关键词
genetic algorithms; active control; passive control; seismic effects
This study proposes the optimal passive and active damper parameters for achieving the best results in seismic response mitigation of coupled buildings connected to each other by dampers. The optimization to minimize the H-2 and H-infinity norms in the performance indices is carried out by genetic algorithms (GAs). The final passive and active damper parameters are checked for adjacent buildings connected to each other under El Centro NS 1940 and Kobe NS 1995 excitations. Using real coded GA in H-infinity norm, the optimal controller gain is obtained by different combinations of the measurement as the feedback for designing the control force between the buildings. The proposed method is more effective than other metaheuristic methods and more feasible, although the control force increased. The results in the active control system show that the response of adjacent buildings is reduced in an efficient manner.
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