Abnormality detection system, display device, abnormality detection method, and recording medium
US10140836B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2015 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | May 27, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/187
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An abnormality detection system includes a processor configured to execute a process. The process includes: storing log data in a storage in which at least a production device number is associated with the event date and time; referring to the log data stored in the storage and calculating a temporal relationship between a first device and a second device that subsequently performs a process after the first device from among a plurality of production devices; detecting elapse of a reference time that is obtained from both the latest log data from among the pieces of log data related to the first device stored in the storage and the temporal relationship calculated at the calculating and that new log data related to the second device is not newly stored in the storage; and displaying an alarm when detection is obtained at the detecting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.