Title:
監視システム及び監視方法
Document Type and Number:
Japanese Patent JP7036697
Kind Code:
B2
Abstract:
A monitoring system that monitors a monitoring-target system is disclosed. The monitoring system includes one or more storage apparatuses that store a program, and one or more processors that operate according to the program. The one or more processors determine an estimated value of a monitoring-target response variable of the monitoring-target system on a basis of measurement data included in test data of the monitoring-target system and a causal structure model of the monitoring-target system. The one or more processors decide whether an abnormality has occurred in the monitoring-target system on a basis of a result of a comparison between a measurement value of the monitoring-target response variable included in the test data, and the estimated value.
Inventors:
Wang Wei
Yano Hirohito
Suzuki Tetsuji
Kenichiro Okada
Yano Hirohito
Suzuki Tetsuji
Kenichiro Okada
Application Number:
JP2018181281A
Publication Date:
March 15, 2022
Filing Date:
September 27, 2018
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G05B23/02
Domestic Patent References:
| JP2011517807A | ||||
| JP2009116842A | ||||
| JP10238920A |
Foreign References:
| US7181374 |
Other References:
矢野 浩仁,ほか,デジタル活用による鉄道サービスのスマート化「鉄道分野におけるデータモデリング技術」,日立評論,日本,日立評論社,2018年09月20日,第100巻,第5号,P.96-100,特にp.98左欄第22行-p.100左欄第9行,図4-7
Attorney, Agent or Firm:
Fujio Patent Office