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سومین کنفرانس تخصصی پایش وضعیت و عیب یابی

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صفحات

۱۱ صفحه

In this paper a new approach to determine the defect size of rolling element bearings is
proposed. This approach is based on the statistical characteristics of the vibrations signals
generated by rolling element bearings. Although some statistical parameters such as RMS and
kurtosis have some capabilities to detect the bearing faults, these parameters for accurate
estimation of defect size are not adequate. For the first time in this study the number of level
crossings of a specific level is introduced as a suitable parameter for rolling bearing defect size
estimation. The acceleration signal of rolling bearings has been measured and crossing analysis
showed that the number of crossings is proportional to the defect size on inner and outer races.
The results of experimental tests proved that this parameter can determine the defect length of
rolling bearings with a good approximation.<\div>

راهنمای دریافت مقاله‌ی «The use of Level Crossing Rate for estimation of bearing defect size» در حال تکمیل می‌باشد.

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