Structural Engineering and Mechanics

  • 제14권1호
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  • Pages.21-38
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  • 2002
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Nonlinear control of a 20-story steel building with active piezoelectric friction dampers

  • Chen, Chaoqiang (Department of Civil Engineering, University of Missouri-Rolla) ;
  • Chen, Genda (Department of Civil Engineering, University of Missouri-Rolla)
  • 투고 : 2001.01.25
  • 심사 : 2002.04.29
  • 발행 : 2002.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

A control algorithm combining viscous and non-linear Reid damping mechanisms has been recently proposed by the authors to command active friction dampers. In this paper, friction dampers and the proposed algorithm are applied to control the seismic responses of a nonlinear 20-story building. Piezoelectric stack actuators are used to implement the control algorithm. The capacity of each damper is determined by the practical size of piezoelectric actuators and the availability of power supply. The saturation effect of the actuators on the building responses is investigated. To minimize the peak story drift ratio or floor acceleration of the building structure, a practical sequential procedure is developed to sub-optimally place the dampers on various floors. The effectiveness of active friction dampers and the efficiency of the proposed sequential procedure are verified by subjecting the building structure to four earthquakes of various intensities. The performance of 80 dampers and 137 dampers installed on the structure is evaluated according to 5 criteria. Numerical simulations indicated that the proposed control algorithm effectively reduces the seismic responses of the uncontrolled 20-story building, such as inelastic deformation. The sub-optimal placement of dampers based on peak acceleration outperforms that based on peak drift ratio for structures subjected to near-fault ground motions. Saturation of piezoelectric actuators has adverse effect on floor acceleration.

키워드

과제정보

연구 과제 주관 기관 : U.S. National Science Foundation

참고문헌

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피인용 문헌

  1. Piezoelectric friction dampers for earthquake mitigation of buildings: design, fabrication, and characterization vol.17, pp.3_4, 2004, https://doi.org/10.12989/sem.2004.17.3_4.539
  2. Multi-objective optimization for actuator and sensor layouts of actively controlled 3D buildings vol.19, pp.6, 2013, https://doi.org/10.1177/1077546311430105
  3. Integrated vibration control and health monitoring of building structures using semi-active friction dampers: Part I—methodology vol.30, pp.7, 2008, https://doi.org/10.1016/j.engstruct.2007.11.013
  4. The smart PFD with LRB for seismic protection of the horizontally curved bridge vol.17, pp.5, 2016, https://doi.org/10.12989/sss.2016.17.5.691
  5. Finite element analysis of a ‘smart’ damper for seismic structural control vol.81, pp.8-11, 2003, https://doi.org/10.1016/S0045-7949(03)00005-1
  6. A General Method for Semi-Active Feedback Control of Variable Friction Dampers vol.15, pp.5, 2004, https://doi.org/10.1177/1045389X04041365
  7. Guide to the Literature of Piezoelectricity and Pyroelectricity. 23 vol.321, pp.1, 2005, https://doi.org/10.1080/00150190500259707
  8. Modeling of Grouped Buildings and their Control with Friction Dampers vol.42, pp.4, 2009, https://doi.org/10.3182/20090603-3-RU-2001.0399
  9. Modified disturbance rejection problem vol.81, pp.15, 2003, https://doi.org/10.1016/S0045-7949(03)00148-2
  10. Semiactive Control of the 20-Story Benchmark Building with Piezoelectric Friction Dampers vol.130, pp.4, 2004, https://doi.org/10.1061/(ASCE)0733-9399(2004)130:4(393)
  11. Multi-objective genetic algorithms for cost-effective distributions of actuators and sensors in large structures vol.39, pp.9, 2012, https://doi.org/10.1016/j.eswa.2012.01.070
  12. Semi-active control of a building complex with variable friction dampers vol.29, pp.6, 2007, https://doi.org/10.1016/j.engstruct.2006.08.007
  13. Integrated vibration control and health monitoring of building structures using semi-active friction dampers: Part II — Numerical investigation vol.30, pp.3, 2008, https://doi.org/10.1016/j.engstruct.2007.03.006
  14. Variable stiffness smart structure systems to mitigate seismic induced building damages vol.42, pp.2, 2013, https://doi.org/10.1002/eqe.2204
  15. Semi-active modal control for seismic structures with variable friction dampers vol.26, pp.4, 2004, https://doi.org/10.1016/j.engstruct.2003.10.012
  16. Semi-active friction dampers for seismic control of structures vol.4, pp.4, 2002, https://doi.org/10.12989/sss.2008.4.4.493
  17. Seismic Response Mitigation of a Television Transmission Tower by Shape Memory Alloy Dampers vol.14, pp.22, 2002, https://doi.org/10.3390/ma14226987