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首頁> 中文期刊> 《浙江大學(xué)學(xué)報(bào)(英文版)A輯:應(yīng)用物理與工程》 >Random vibration analysis of switching apparatus based on Monte Carlo method

Random vibration analysis of switching apparatus based on Monte Carlo method

     

摘要

The performance in vibration environment of switching apparatus containing mechanical contact is an important element when judging the apparatus’s reliability. A piecewise linear two-degrees-of-freedom mathematical model considering contact loss was built in this work, and the vibration performance of the model under random external Gaussian white noise excitation was investigated by using Monte Carlo simulation in Matlab/Simulink. Simulation showed that the spectral content and statistical characters of the contact force coincided strongly with reality. The random vibration character of the contact system was solved using time (numerical) domain simulation in this paper. Conclusions reached here are of great importance for reliability design of switching apparatus.

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