Patent ID: 11879596
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Measurement (Instruments)
Classification: CPC F  G  Y | IPC F  G

Claim 13:
14. The pressure tester according to claim 8, wherein the controller further includes: an extractor configured to extract a plurality of AE waveforms from an output waveform of the AE sensor; and a converter configured to wavelet-transform the plurality of AE waveforms extracted by the extractor to generate a plurality of images,
the classifier is machine-learned so as to classify the plurality of images corresponding to the plurality of AE waves into first images corresponding to the first waveforms and second images corresponding to second waveforms,
the extractor is configured to extract a plurality of AE waveforms from the output waveforms of the AE sensor while increasing the pressure inside the high-pressure tank,
the converter is configured to wavelet-transform the plurality of AE waveforms extracted by the extractor to create a plurality of images,
the classifier is configured to classify the plurality of images converted by the converter into the first images and the second images,
the counter is configured to count the number of the first images classified by classifier, and
the pressurization stopper is configured to stop pressurization of the high-pressure tank based on the number of the first images counted by the counter.