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http://dx.doi.org/10.7467/KSAE.2017.25.3.273

Development of Inspection Methods for Bearing Faults with a Rapid Change of Rotation Speed and Optimization of Pass/Fail Criteria  

Yang, Won Seok (Department of Business Administration, Hannam University)
Lee, Won Pyo (Innovation Team, SM Instruments Inc.)
Lee, Jong Woo (Parts Quality Control Team, Hyundai Mobis)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.25, no.3, 2017 , pp. 273-286 More about this Journal
Abstract
We develop an inspection method for bearing faults with a rapid change in the rotation speed and present indexes for the pass/fail inspection. At the end of line, impulse noises generated by the operation of machines and conveyors may distort the inspection results. In this paper, we present robust inspection indexes for bearing faults under impulse noises, by taking into account fault signals having pulse train. Using logistic regression, we optimize the pass/fail criterion for each index and evaluate the performance of the inspection indexes based on the total error rate.
Keywords
Bearing fault inspection; Pass/Fail criteria; Variable speed; Logistic regression;
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