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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.79 No.2
- 발행연도
- 2021.1
- 수록면
- 267 - 278 (12page)
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The present study addresses the issue of seismic control of active mass damper (AMD) devices in the presence of time-delay for the tall buildings taking into account soil-structure interaction (SSI) effects. Considering the simultaneous effects of the time-delay and SSI, a control scheme of linear quadratic regulator (LQR) controller with a new form of the weighting matrices is proposed. Then, a design procedure based on a particle swarm optimization (PSO) algorithm is proposed to find the optimal weighting matrices of the controller. The numerical studies are conducted on a benchmark tall building. The validity of the proposed LQR controller is demonstrated for the structure subjected to 44 well-known earthquakes. It is concluded that ignoring the SSI and time-delay effects may give an incorrect estimation of the seismic demands of the building. By increasing the soil softness, the structural responses are often increased. Furthermore, it is found that the proposed controller gives a worthy performance in mitigation of maximum top floor displacement for different soil conditions in the presence of time-delays. However, in the presence of long time-delay, a significant increment may achieve for maximum floor acceleration, especially for the soft and medium soils. However, the maximum drifts of the floors remain within the allowed ranges.
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참고문헌 (31)
참고문헌 신청
Abdelhafez, H. / 2016 / Effects of time delay on an active vibration control of a forced and Self-excited nonlinear beam / Nonlin. Dyn 86(1):137~151
Agrawal, A. / 2000 / Compensation of time-delay for control of civil engineering structures / Earthq. Eng. Struct. Dyn 29(1):37~62
Alavinasab, A. / 2006 / Active control of structures using energy-based LQR method / Comput. Aid. Civil Infrastr. Eng 21(8):605~611
Aldemir, U. / 2009 / Evaluation of disturbance weighting parameter of minimax attenuation problems / Comput. Aid. Civil Infrastr. Eng 24(4):302~308
Aldemir, U. / 2010 / A simple active control algorithm for earthquake excited structures / Comput. Aid. Civil Infrastr. Eng 25(3):218~225
Agrawal, A. / 2000 / Compensation of time-delay for control of civil engineering structures / Earthq. Eng. Struct. Dyn 29(1):37~62
Alavinasab, A. / 2006 / Active control of structures using energy-based LQR method / Comput. Aid. Civil Infrastr. Eng 21(8):605~611
Aldemir, U. / 2009 / Evaluation of disturbance weighting parameter of minimax attenuation problems / Comput. Aid. Civil Infrastr. Eng 24(4):302~308
Aldemir, U. / 2010 / A simple active control algorithm for earthquake excited structures / Comput. Aid. Civil Infrastr. Eng 25(3):218~225
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