Evaluation of damping effect of semi-active controlled structure by real-time hybrid test

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Authors use Magneto-rheological fluid damper (MR damper) for the semi-active control, and conducted the real time hybrid test that considers the uncertainty of modeling of the MR damper. The results of the real time hybrid test are compared with those of shaking table test and analytical simulation. Thus, the effectiveness of the evaluation of the semi-active control in the base isolation system by the real time hybrid test is verified. It was clarified by the real-time hybrid test that the equivalent cycle numbers was effective to evaluate the response reduction.