Abstract
An approximate method for analyzing the response of nonlinear systems with the Preisach hysteresis of the non-local memory under a stationary Gaussian excitation is presented based on the covariance and switching probability analysis. The covariance matrix equation of the Preisach hysteretic system response is derived. The cross correlation function of the Preisach hysteretic force and response in the covariance equation is evaluated by the switching probability analysis and the Gaussian approximation to the response process. Then an explicit expression of the correlation function is given for the case of symmetric Preisach weighting functions. The numerical result obtained is in good agreement with that from the digital simulation.
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The project supported by the National Natural Science Foundation of China (19972059) and Zhejiang Provincial Natural Science Foundation (101046)
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Zuguang, Y. Response analysis of randomly excited nonlinear systems with symmetric weighting Preisach hysteresis. Acta Mech Sinica 19, 365–370 (2003). https://doi.org/10.1007/BF02487814
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DOI: https://doi.org/10.1007/BF02487814