Advances in concrete construction

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LMI based criterion for reinforced concrete frame structures

  • Chen, Tim (AI LAB, Faculty of Information Technology, Ton Duc Thang University) ;
  • Kau, Dar (Department Electrical & Electronic Engineering, University of Bath) ;
  • Tai, Y. (Mechanical Engineering, California Institute of Technology) ;
  • Chen, C.Y.J. (Department Electrical & Electronic Engineering, University of Bath)
  • Received : 2019.11.22
  • Accepted : 2020.03.09
  • Published : 2020.04.25
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Abstract

Due to the influence of nonlinearity and time-variation, it is difficult to establish an accurate model of concrete frame structures that adopt active controllers. Fuzzy theory is a relatively appropriate method but susceptible to human subjective experience to decrease the performance. To guarantee the stability of multi-time delays complex system with multi-interconnections, a delay-dependent criterion of evolved design is proposed in this paper. Based on this criterion, the sector nonlinearity which converts the nonlinear model to multiple rule base of the linear model and a new sufficient condition to guarantee the asymptotic stability via Lyapunov function is implemented in terms of linear matrix inequalities (LMI). A numerical simulation for a three-layer reinforced concrete frame structure subjected to earthquakes is demonstrated that the proposed criterion is feasible for practical applications.

Keywords

References

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