Detecting device, detecting method, and program
US10584986B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2014 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Sep 2, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2400/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Embodiments of the present invention specify a group of sensors detecting normal operation and a group of sensors detecting abnormal operation from time-series data on the sensors without using threshold values that are based on the experience of users. One aspect of an embodiment is a detecting device for detecting changes in the output of a plurality of sensors, in which the detecting device includes: a first output acquiring unit for acquiring a first relevance matrix; a second output acquiring unit for acquiring a second relevance matrix; a change calculating unit for calculating a change matrix representing the degree of change between the first relevance matrix and the second relevance matrix; and a specifying unit for specifying a group of sensors showing a degree of change greater than the others in the change matrix. Other aspects of the present invention include a detecting method and a program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.