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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 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.23 No.3
- 발행연도
- 2019.1
- 수록면
- 307 - 318 (12page)
이용수
초록· 키워드
오류제보하기
The frequently excessive vibrations presented in civil structures during seismic events or service conditions may result in users’ discomfort, or worst, in structures failure, producing economic and even human casualties. This work contributes in proposing the synthesis of a nonlinear optimal control strategy for semiactive structural control, with the main characteristic that the synthesis considers both the structure model and the semiactive actuator nonlinear dynamics, which produces a nonlinear system that requires a nonlinear controller design. The aim is to reduce the unwanted vibrations in the response of civil structures, by means of intelligent fluid semiactive actuator such as the Magnetorheological Damper (MRD), which is a device with a low level of power consumption. The civil structures for which the proposed control methodology can be applied are those admitting a state-dependent coefficient factorized representation model, such as buildings, bridges, among others. A scaled model of a three storey building is analyzed as a case study, whose dynamical response involves displacement, velocity and acceleration of each one of the storeys, subjected to the North-South component of the September 19th., 2017, Puebla-Morelos (7.1M), Mexico earthquake. The investigation rests on comparing the structural response over time for two different conditions: with no control device installed and with one MRD installed between the first floor and the ground, where a nonlinear optimal signal for the MRD input voltage is determined. Simulation results are presented to show the effectiveness of the proposed controller for reducing the building's dynamical response.
목차
등록된 정보가 없습니다.
참고문헌 (62)
참고문헌 신청
Ali Alavinasab / 2006 / Active Control of Structures Using Energy-Based LQR Method / Computer-Aided Civil and Infrastructure Engineering 21(8):605~611
Anderson, B. D. O. / 1990 / Optimal Control: Linear Quadratic Methods / Prentice-Hall
Mohsen Askari / 2016 / Semi-active control of smart building-MR damper systems using novel TSK-Inv and max-min algorithms / Smart Structures and Systems, An International Journal 18(5):1005~1028
H. T. Banks / 2007 / Nonlinear feedback controllers and compensators: a state-dependent Riccati equation approach / Computational Optimization and Applications 37(2):177~218
Chen, C. W. / 2004 / H∞Fuzzy control of structural systems using Takagi-Sugeno fuzzy model / Proceedings of the IEEE International Conference on Mechatronics, Istanbul
Anderson, B. D. O. / 1990 / Optimal Control: Linear Quadratic Methods / Prentice-Hall
Mohsen Askari / 2016 / Semi-active control of smart building-MR damper systems using novel TSK-Inv and max-min algorithms / Smart Structures and Systems, An International Journal 18(5):1005~1028
H. T. Banks / 2007 / Nonlinear feedback controllers and compensators: a state-dependent Riccati equation approach / Computational Optimization and Applications 37(2):177~218
Chen, C. W. / 2004 / H∞Fuzzy control of structural systems using Takagi-Sugeno fuzzy model / Proceedings of the IEEE International Conference on Mechatronics, Istanbul
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