CPC G05B 19/4063 (2013.01) [G06N 20/00 (2019.01); G05B 2219/32222 (2013.01)] | 10 Claims |
1. A diagnostic device configured to infer or detect abnormality of the tension of a belt of an industrial machine for transmitting power, the diagnostic device comprising:
a control unit configured to control a diagnostic operation in which the belt is driven;
a data acquisition unit configured to acquire at least feedback data at the time of the diagnostic operation;
a preprocessing unit configured to analyze frequency-gain characteristics of the feedback data and create, as input data, a range including a resonant frequency and an anti-resonant frequency in the frequency-gain characteristics; and
a machine learning device configured to perform processing related to machine learning, based on the data created by the preprocessing unit.
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