Experimental Study on the probabilistic evaluation of control gain (2)
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In this paper, the effectiveness of the control algorithm which determinines the control gain based on the probabilistic distribution of structural energy was examined exciting the test structure using a sinusoidal signal, a scaled El Centro earthquake and a broadband Gaussian white noise. Specially, in order to prove the stability and robustness of the proposed control algorithm, experiments on control had been performed under a different condition to that of system identification which was presented in the companion paper. Experimental results indicate that the probabilistic control algorithm can achieve a significant response reduction under various types of ground excitations even when the modeling error exists.