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논문 기본 정보

자료유형
학술저널
저자정보
Pnevmatikos, Nikos G. (Department of Civil Infrastructure Works, Faculty of Technological Application, Technological Educational Institution of Athens) Gantes, Charis J. (Department of Civil Infrastructure Works, Faculty of Technological Application, Technological Educational Institution of Athens)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제8권 제5호
발행연도
2011.1
수록면
449 - 470 (22page)

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During the last thirty years many structural control concepts have been proposed for the reduction of the structural response caused by earthquake excitations. Their research and implementation in practice have shown that seismic control of structures has a lot of potential but also many limitations. In this paper the importance of two practical issues, time delay and saturation effect, on the performance of controlled structures, is discussed. Their influence, both separately and in interaction, on the response of structures controlled by a modified pole placement algorithm is investigated. Characteristic buildings controlled by this algorithm and subjected to dynamic loads, such as harmonic signals and actual seismic events, are analyzed for a range of levels of time delay and saturation capacity of the control devices. The response reduction surfaces for the combined influence of time delay and force saturation of the controlled buildings are obtained. Conclusions regarding the choice of the control system and the desired properties of the control devices are drawn.

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