The diagnostic item decision expedient which decides equipment check item from the trigger signal the equipment check device, equipment check method,

摘要

PROBLEM TO BE SOLVED: To enable accurate diagnosis by eliminating variation in a feature amount such as operation time due to difference in operation conditions for a diagnosis-object facility.;SOLUTION: A facility diagnosis device includes: diagnosis item determination means 12 for determining a facility diagnosis item from a trigger signal on the basis of pre-defined facility diagnosis items and information relating to the trigger signal of each facility diagnosis item; grouping means 13 for grouping the determined facility diagnosis items into groups based on group divisions predefined by operation conditions; and feature amount extraction means 14 for extracting a feature amount corresponding to a facility diagnosis item for each group; and diagnosis means 16 for diagnosing a facility by comparing, for each group, a feature amount corresponding to a facility diagnosis item with a feature amount reference value when the facility is normal.;COPYRIGHT: (C)2013,JPO&INPIT