%0 Journal Article %A GUO Qian-jian %A SUI Wen-tao %A ZHANG Dan %T Condition Monitoring of Rolling Element Bearings Using Optimal Gabor Filters %D 2016 %R 10.13190/j.jbupt.2016.02.021 %J Journal of Beijing University of Posts and Telecommunications %P 103-107 %V 39 %N 2 %X
Aiming to the difficulty in finding the resonant frequency band in condition monitoring of rolling element bearings, a new optimization method and objective function was proposed. The resonant frequency band can be located through this proposed method. Firstly, the parameters of Gabor filter are optimized through the two-step grid search method, in which the envelope sparseness is as objective function. The vibration signal was filtered through the optimal filter and the envelop signal was calculated. The envelop autocorrelation spectrum was adopted to restrain noise and highlight operation condition information. The effectiveness and advantages of the proposed method were proved through the simulation signal and experimental signals. It is shown that the bearing operation condition can be recognized accurately by the proposed method.
%U https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2016.02.021