Method for detection of lot defects for maintenance of ICT power supplies and air conditioning equipment and verification results
2017
In this paper, we report on a method of finding lot defects and the results of a verification related to the maintenance of power-supply and air-conditioning equipment for ICT. We built a logic and models to automatically detect equipment that may be included in a defective lot. An equipment anomaly analysis system was constructed. For verification, actual past lot failure equipment was applied to the logic and models for comparison with the conventional method. As a result, detection of lot defects became faster in 3 out of 4 cases. Lot defects were generally detected at an early stage. In addition, the result of operating the equipment anomaly analysis system is described.
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