Abstract
The reticulated shell structure has high degree of geometric nonlinearity, and time-variety of stiffness and damping under seismic response. Fuzzy control has better control effect for the system of time-varying parameters, nonlinearity and strong coupling. Recognizing this, fuzzy control method is proposed to apply to MR damper, and the vibration control analysis of shell structure is carried out based on the method. According to the basic principle of fuzzy control, for the general Bouc-Wen model as the mechanical model of MR damper, the fuzzy controller for MR damping structure is designed by the fuzzy control toolbox and the Simulink block in MATLAB, and the fuzzy control analysis of the span 60 meters of double-layer spherical shell structure is carried out under seismic response. The results show that: for the vertex and the node of rod piece on which MR damper installed of the shell structure under fuzzy control, the peak value of displacement, velocity and acceleration are averagely decreased by 56.8% in comparison with no control structure, the control effect is remarkable, so the MR fuzzy controller is demonstrated to be effective and reliable.
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Yin, Z., Wang, A. (2010). Fuzzy Control of Double-Layer Spherical Shell Structure under Seismic Response. In: Cao, By., Wang, Gj., Guo, Sz., Chen, Sl. (eds) Fuzzy Information and Engineering 2010. Advances in Intelligent and Soft Computing, vol 78. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14880-4_26
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DOI: https://doi.org/10.1007/978-3-642-14880-4_26
Publisher Name: Springer, Berlin, Heidelberg
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