Abstract

In this work the robustness properties of Integral Sliding Mode Controller (ISMC) are studied for the problem structural vibration. Selecting the sliding manifold which takes into account the attenuation of the unmatched perturbation is studied as well. This study has two scenarios the first is comparing two types of sliding mode controllers which designed to control 3-story scaled structure supported by Magneto Rheological Damper (MRD). ISMC is compared to classical Sliding Mode Control (SMC) performance, the two controllers checked under effect of Mexico city earthquake. The second scenario compares the proposed controller with other controllers from literature under effect of time scaled El Centro 1940 earthquake. The results show that ISMC performance is better than SMC in scenario one and better than other controllers in scenario two. All the simulation results are obtained by MATLAB.

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