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WANG Ke-hai, ZHU Xi. CONTROL OF SEISMIC RESPONSE FOR CABLE-STAYED BRIDGE BASED ON MODAL ANALYSIS[J]. Engineering Mechanics, 2002, 19(1): 115-120.
Citation: WANG Ke-hai, ZHU Xi. CONTROL OF SEISMIC RESPONSE FOR CABLE-STAYED BRIDGE BASED ON MODAL ANALYSIS[J]. Engineering Mechanics, 2002, 19(1): 115-120.
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CONTROL OF SEISMIC RESPONSE FOR CABLE-STAYED BRIDGE BASED ON MODAL ANALYSIS

  • Bridge Department of Tongji University, Shanghai 200092;2. Northern Jiaotong University, Beijing, 100044

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  • Received Date: May 22, 2000
  • Revised Date: October 13, 2000
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  • Based on modal analysis, two algorithms to implement the Linear Quadratic Regulator (LQRapproach and sliding mode control are presented. They are used to mitigate the seismic response of cable-stayed bridges. It is shown that the two algorithms are feasible and effective in the context of long-span bridges. Inaddition, the sliding mode control can achieve better control result than the LQR for less requirement of external energy.
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