Design optimization of fuzzy controllers in building structures using the crystal structure algorithm (CryStAl)
- Publisher:
- Elsevier
- Publication Type:
- Journal Article
- Citation:
- Advanced Engineering Informatics, 2022, 52, (-), pp. 101616
- Issue Date:
- 2022-04-01
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The current study uses a recently developed metaheuristic method called Crystal Structure Algorithm CryStAl to achieve optimized vibration control in structural engineering More specifically this algorithm which is inspired by the well established crystallographic principles underlying the formation of crystalline solids in nature is applied to the optimization of fuzzy logic controllers in building structures To demonstrate the capability of this method in solving real engineering problems two real size building structures one with three and the other with twenty stories are considered The fuzzy controllers are implemented through an active control system to control the seismically induced vibrations of the structures intelligently The evaluation criteria utilized to assess the overall performance of the optimization method applied to the fuzzy control system are presented and discussed Through nonlinear structural analyses the ductility energy dissipation and other nonlinear characteristics of the structures are also considered as the structural responses to be controlled The computational results obtained from this novel metaheuristic algorithm are compared with those of the other expert systems from the optimization literature The findings of this paper demonstrate that the Crystal Structure Algorithm is capable of outranking the other methods in the majority of considered cases 2022 The Author s
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