Title:
ANOMALY CAUSE ESTIMATION DEVICE, ANOMALY CAUSE ESTIMATION METHOD, AND ANOMALY CAUSE ESTIMATION PROGRAM
Document Type and Number:
Japanese Patent JP2023183830
Kind Code:
A
Abstract:
To estimate an anomaly cause of equipment simply and highly accurately.SOLUTION: An anomaly cause estimation device 1 includes: a measurement value input unit 2 that inputs a measurement value obtained from a sensor provided in equipment; an anomaly determination unit 4 that determines presence or absence of an anomaly of the measurement value; an anomaly cause estimation unit 6 that estimates an anomaly cause of the equipment by inputting the presence or absence of the anomaly of the measurement value to an anomaly event model selected from a set of anomaly event models divided in advance based on an anomaly event assumed in the equipment; and a result output unit 9 that outputs an estimation result of the anomaly cause.SELECTED DRAWING: Figure 1
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Inventors:
MAGARA YOHEI
KASAHARA TAKAYASU
NISHIDA KOHEI
KAMEDA RYO
KASAHARA TAKAYASU
NISHIDA KOHEI
KAMEDA RYO
Application Number:
JP2022097592A
Publication Date:
December 28, 2023
Filing Date:
June 16, 2022
Export Citation:
Assignee:
HITACHI INDUSTRIAL PRODUCTS LTD
International Classes:
G05B23/02
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office
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