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Seismic response control of sliding isolated buildings using adaptive fuzzy sliding mode control

The purpose of this paper is to apply adaptive fuzzy sliding mode control for structurally controlling buildings with sliding bearing isolation. Combining fuzzy control and robust control such as sliding mode control, reduces fuzzy rule bases complexity and ensures stability and robustness. We use Lyapunov theory to develop a self-tuning law. Stiffness uncertainty and time delay is used to demonstrate the robustness of our proposed algorithm. The effectiveness of this algorithm is demonstrated by simulation results for the Taiwan Chi Chi earthquake in 1999. Simulations show that adaptive fuzzy sliding mode control achieves satisfactory results in the application of structural control for buildings with sliding bearing isolators.