DOI QR코드

DOI QR Code

Semi-active control on long-span reticulated steel structures using MR dampers under multi-dimensional earthquake excitations

  • Zhou, Zhen (Southeast University, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education) ;
  • Meng, Shao-Ping (Southeast University, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education) ;
  • Wu, Jing (Southeast University, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education) ;
  • Zhao, Yong (Southeast University, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education)
  • 투고 : 2012.01.15
  • 심사 : 2012.10.03
  • 발행 : 2012.12.25

초록

This paper focuses on the vibration control of long-span reticulated steel structures under multi-dimensional earthquake excitation. The control system and strategy are constructed based on Magneto-Rheological (MR) dampers. The LQR and Hrovat controlling algorithm is adopted to determine optimal MR damping force, while the modified Bingham model (MBM) and inverse neural network (INN) is proposed to solve the real-time controlling current. Three typical long-span reticulated structural systems are detailedly analyzed, including the double-layer cylindrical reticulated shell, single-layer spherical reticulated shell, and cable suspended arch-truss structure. Results show that the proposed control strategy can reduce the displacement and acceleration effectively for three typical structural systems. The displacement control effect under the earthquake excitation with different PGA is similar, while for the cable suspended arch-truss, the acceleration control effect increase distinctly with the earthquake excitation intensity. Moreover, for the cable suspended arch-truss, the strand stress variation can also be effectively reduced by the MR dampers, which is very important for this kind of structure to ensure that the cable would not be destroyed or relaxed.

키워드

참고문헌

  1. Bitaraf, M., Ozbulut, O.E., Hurlebaus, S. and Barroso, L. (2010), "Application of semi-active control strategies for seismic protection of buildings with MR dampers", Eng. Struct., 32(10), 3040-3047. https://doi.org/10.1016/j.engstruct.2010.05.023
  2. Dominguez, A., Sedaghati, R. and Stiharu, I. (2008), "Modeling and application of MR dampers in semiadaptive structures", Comput. Struct., 86(3-5), 407-415. https://doi.org/10.1016/j.compstruc.2007.02.010
  3. Erkus, B., Abe, M. and Fujino, Y. (2002), "Investigation of semi-active control for seismic protection of elevated highway bridges", Eng. Struct., 24(3), 281-293. https://doi.org/10.1016/S0141-0296(01)00095-5
  4. Fan, F., Cao, Z.Y. and Shen, S.Z. (2010), "Elasto-plastic stability of single-layer reticulated shells", Thin. Wall. Struct., 48(10-11), 827-836. https://doi.org/10.1016/j.tws.2010.04.004
  5. Huang, H.W., Sun, L.M. and Jiang, X.L. (2012), "Vibration mitigation of stay cable using optimally tuned MR damper", Smart Struct. Syst., 9(1), 35-53. https://doi.org/10.12989/sss.2012.9.1.035
  6. Iwata, M., Fujita, M. and Wada, A. (1999), "Energy absorbing mechanism for space frame support", Proceedings of the 2nd World Conference on Structural Control, Kyoto, Japan.
  7. Jung, H.-J., Jang, J.-E., Choi, K.M. and Lee, H.J. (2008), "MR fluid damper-based smart damping systems for long steel stay cable under wind load", Smart Struct. Syst., 4(5), 697-710. https://doi.org/10.12989/sss.2008.4.5.697
  8. Kim, I.H., Jung, H.J. and Kim, J.T. (2011), "Numerical investigation of an MR damper-based smart passive control system for mitigating vibration of stay cables", Struct. Eng.Mech., 37(7), 443-458. https://doi.org/10.12989/sem.2011.37.4.443
  9. Lopez, Ai., Puente, I. and Serna, M. (2007), "Numerical model and experimental tests on single-layer latticed domes with semi-rigid joints", Comput. Struct., 85(7-8), 360-374. https://doi.org/10.1016/j.compstruc.2006.11.025
  10. Michel, B. (1998), "Performance of steel bridges during the 1995 Hyogoken-Nanbu (Kobe, Japan) earthquake: a north american perspective", Eng. Struct., 20(12), 1063-1078. https://doi.org/10.1016/S0141-0296(97)00203-4
  11. Motohiko, Y. and Lu, G. (1996), "Vibration control of large space structure using TMD system", Proceedings of the International IASS Conference, Beijing, China.
  12. Onoda, J., Oh, H.U. and Minesugi, K. (1996), Semi-active vibration suppression of truss structures by electrorheological fluid damper, Collection of Technical Papers-AIAA/ASME/ASCE/AHS Structures, Structural Dynamics & Materials Conference.
  13. Saitoh, M. and Okada, A. (1999), "The role of string in hybrid string structure", Eng. Struct., 21(8), 756-769. https://doi.org/10.1016/S0141-0296(98)00029-7
  14. Shen, Z.Y. and Li, Y.Q. and Luo, Y.F. (2004), "Stability of single-layer reticulated shells", Int. J. Steel Struct., 4, 289-300.
  15. Wu, M. (2008), "Analytical method for the lateral buckling of the struts in beam string structures", Eng. Struct., 30(9), 2301-2310. https://doi.org/10.1016/j.engstruct.2008.01.008
  16. Wu, W.J. and Cai, C.S. (2010), "Cable vibration control with a semi-active MR damper-numerical simulation and experimental verification", Struct. Eng. Mech., 34( 5), 611-623. https://doi.org/10.12989/sem.2010.34.5.611
  17. Xue, W.C. and Liu, S. (2009). "Design optimization and experimental study on beam string structures", J. Constr. Steel Res., 65(1), 70-80. https://doi.org/10.1016/j.jcsr.2008.08.009
  18. Yang, M.G., Chen, Z.Q. and Hua, X.G. (2011), "An experimental study on using MR damper to mitigate longitudinal seismic response of a suspension bridge", Soil Dyn. Earthq. Eng., 31(8), 1171-1181. https://doi.org/10.1016/j.soildyn.2011.04.006
  19. Ying, Z.G., Ni, Y.Q. and Ko, J.M. (2009). "A semi-active stochastic optimal control strategy for nonlinear structural systems with MR dampers", Smart Struct. Syst., 5(1), 69-79. https://doi.org/10.12989/sss.2009.5.1.069
  20. Zhang, Y.G. and Ren, G.Z. (2001), "A practical method on seismic response controlled double layer cylindrical lattice shell with variable stiffness members", Proceedings of the IASS Symposium, Nagoya, Japan.

피인용 문헌

  1. Semi-active structural fuzzy control with MR dampers subjected to near-fault ground motions having forward directivity and fling step vol.12, pp.6, 2013, https://doi.org/10.12989/sss.2013.12.6.595
  2. A new configuration in a prosthetic knee using of hybrid concept of an MR brake with a T-shaped drum incorporating an arc form surface vol.17, pp.2, 2016, https://doi.org/10.12989/sss.2016.17.2.275
  3. Effective vibration control of multimodal structures with low power requirement vol.13, pp.3, 2014, https://doi.org/10.12989/sss.2014.13.3.435
  4. Semi-active control of ambulance stretcher system based on parallel mechanism with MR dampers and perturbation analysis pp.1573-8841, 2019, https://doi.org/10.1007/s10999-019-09444-2
  5. Analog active valve control design for non-linear semi-active resetable devices vol.19, pp.5, 2012, https://doi.org/10.12989/sss.2017.19.5.487
  6. Seismic performance enhancement of buildings using multi‐limb brace damper systems vol.30, pp.3, 2012, https://doi.org/10.1002/tal.1825