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1. (US20180232339) MONITORING DEVICE, METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR CONTROLLING MONITORING DEVICE

Office : United States of America
Application Number: 15751882 Application Date: 06.12.2016
Publication Number: 20180232339 Publication Date: 16.08.2018
Publication Kind : A1
Prior PCT appl.: Application Number:PCTJP2016086203 ; Publication Number: Click to see the data
IPC:
G06F 17/18
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
17
Digital computing or data processing equipment or methods, specially adapted for specific functions
10
Complex mathematical operations
18
for evaluating statistical data
CPC:
G06F 17/18
Applicants: OMRON Corporation
Inventors: Hiroshi TASAKI
Priority Data: 2016-023058 09.02.2016 JP
Title: (EN) MONITORING DEVICE, METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR CONTROLLING MONITORING DEVICE
Abstract: front page image
(EN)

A state change detection unit obtains the data occurrence probability based on the values of observation data and the value of a parameter of a prior distribution, obtains, based on the data generation probability, a run length probability distribution when the time-series observation data acquired up to the current time point is used as a condition, and detects a change in the state of a facility based on the run length probability distribution. An update unit updates the value of the parameter of the prior distribution using the value of the observation data, to generate the prior distribution for calculating the data occurrence probability at a next time point. In cases when the current time point is determined to be a change point in the state of the facility, the state change detection unit also searches for a change indication point based on the run length probability distribution.


Also published as:
CN107924184EP3416011WO/2017/138238