지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.26 No.3
- 발행연도
- 2020.1
- 수록면
- 373 - 390 (18page)
이용수
초록· 키워드
오류제보하기
Hybrid simulation (HS) is a versatile tool for structural performance evaluation under dynamic loads. Although real structural responses are often multiple-directional owing to an eccentric mass/stiffness of the structure and/or excitations not along structural major axes, few HS in this field takes into account structural responses in multiple directions. Multi-directional loading is more challenging than uni-directional loading as there is a nonlinear transformation between actuator and specimen coordinate systems, increasing the difficulty of suppressing loading error. Moreover, redundant actuators may exist in multi-directional hybrid simulations of large-scale structures, which requires the loading strategy to contain ineffective loading of multiple actuators. To address these issues, lately a new strategy was conceived for accurate reproduction of desired displacements in bi-directional hybrid simulations (BHS), which is characterized in two features, i.e., iterative displacement command updating based on the Jacobian matrix considering nonlinear geometric relationships, and force-based control for compensating ineffective forces of redundant actuators. This paper performs performance validation and application of this new mixed loading strategy. In particular, virtual BHS considering linear and nonlinear specimen models, and the diversity of actuator properties were carried out. A validation test was implemented with a steel frame specimen. A real application of this strategy to BHS on a full-scale 2-story frame specimen was performed. Studies showed that this strategy exhibited excellent tracking performance for the measured displacements of the control point and remarkable compensation for ineffective forces of the redundant actuator. This strategy was demonstrated to be capable of accurately and effectively reproducing the desired displacements in large-scale BHS.
목차
등록된 정보가 없습니다.
참고문헌 (42)
참고문헌 신청
M. Ahmadizadeh / 2008 / Compensation of actuator delay and dynamics for real-time hybrid structural simulation / Earthquake Engineering & Structural Dynamics 37(1):21~42
P. A. Bonnet / 2007 / Real-time hybrid experiments with Newmark integration, MCSmd outer-loop control and multi-tasking strategies / Earthquake Engineering & Structural Dynamics 36(1):119~141
Yunbyeong Chae / 2014 / Large-scale real-time hybrid simulation of a three-story steel frame building with magneto-rheological dampers / Earthquake Engineering & Structural Dynamics 43(13):1915~1933
Chia-Ming Chang / 2014 / Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation / Journal of Earthquake Engineering 19(2):277~296
2016 / Chinese Standard GB. 50011-2010, Code for Seismic Design of Buildings / National Standard of the People’s Republic of China (NSPRC)
P. A. Bonnet / 2007 / Real-time hybrid experiments with Newmark integration, MCSmd outer-loop control and multi-tasking strategies / Earthquake Engineering & Structural Dynamics 36(1):119~141
Yunbyeong Chae / 2014 / Large-scale real-time hybrid simulation of a three-story steel frame building with magneto-rheological dampers / Earthquake Engineering & Structural Dynamics 43(13):1915~1933
Chia-Ming Chang / 2014 / Multiple Degrees of Freedom Positioning Correction for Hybrid Simulation / Journal of Earthquake Engineering 19(2):277~296
2016 / Chinese Standard GB. 50011-2010, Code for Seismic Design of Buildings / National Standard of the People’s Republic of China (NSPRC)
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