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ATMD가 설치된 두 인접빌딩간 강성연결방식을 통한 내진성능 개선
박관순,옥승용,Park, Kwan-Soon,Ok, Seung-Yong 한국안전학회 2017 한국안전학회지 Vol.32 No.5
In this study, we propose a new control system that effectively utilizes the interaction effect of control force through the connection of stiffness member for seismic performance enhancement of two adjacent structures equipped with active tuned mass damper (ATMD). The efficiency of the proposed control system is verified by comparing with the existing independent control system through the numerical simulations of the 10th- and 12th-story buildings. From the numerical results, it is confirmed that the proposed method can show similar or better control performance even with more economical control capacity than the existing independent control system. Another advantage is that the existing system does not exhibit the adaptive control performance in emergency of failure of one control device, whereas the proposed system can achieve successful adaptive control performance by economically and efficiently utilizing the interacting control effect through the connection member.
목차 : 지반-구조물 상호작용을 고려한 복합제어시스템의 최적설계
박관순 ( Kwan Soon Park ),박장호 ( Jang Ho Park ) 한국안전학회(구-한국산업안전학회) 2012 한국안전학회지 Vol.27 No.2
For the vibration control of earthquake-excited buildings, an optimal design method of integrated control system considering soil-structure interaction is studied in this paper. Interaction between soils and the base of the building is simply modeled as lumped parameters and equations of motion are derived, The equations of motion are transformed into the state space equations and the probabilistic excitations such as Kanai-Tajumi power spectral density function is introduced, Then an optimization problem is formulated as finding hybrid or integrated control systems which minimizes the stochastic responses of the building structure for given constraints. In order to investigate the feasibility of the optimization method, an example design and numerical simulations are performed with ten-story building. Finally, numerical results are compared with a conventional design case that soil-structure interaction is not considered.