JPWO2020196441A1 - プロセス状態監視装置及びプロセス状態監視方法 - Google Patents
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Abstract
Description
2 入力部
3 出力部
4 操業データベース(操業DB)
11 逸脱指標算出部
12 成分分離演算部
13 特性値演算部
14 状態判定部
15 類似事例検索部
16 ガイダンス表示部
Claims (10)
- プロセスの状態を示す値の時系列データから2つ以上の成分を分離する成分分離演算部と、
前記成分分離演算部によって分離された各成分から特性値を演算する特性値演算部と、
前記特性値演算部によって演算された特性値に基づいて前記プロセスの状態を分類する状態判定部と、
を備える、プロセス状態監視装置。 - 前記特性値演算部によって演算された特性値に基づいて過去のデータベースから前記プロセスと類似した操業事例を検索する類似事例検索部を備える、請求項1に記載のプロセス状態監視装置。
- 前記時系列データは、前記値の予測値と実績値との差分値の時系列データである、請求項1又は2に記載のプロセス状態監視装置。
- 前記時系列データは、前記値について求められた、予め設定された前記プロセスの状態が正常である時の値からの差分値又は予め設定された前記プロセスの状態が正常である時の値に対する比の値の時系列データである、請求項1又は2に記載のプロセス状態監視装置。
- 前記成分分離演算部は、フィルタリング処理によって前記時系列データから前記成分を分離する、請求項1〜4のうち、いずれか1項に記載のプロセス状態監視装置。
- 前記特性値演算部は、平均値、最大値、最大値と最小値との差分値、標準偏差、前半部と後半部との差分値、平均交差回数、及び最大値と最小値との差分値に基づく演算値を含む統計量のうちの少なくとも一つを前記特性値として演算する、請求項1〜5のうち、いずれか1項に記載のプロセス状態監視装置。
- 前記状態判定部は、機械学習技術を利用して前記プロセスの状態を分類する、請求項1〜6のうち、いずれか1項に記載のプロセス状態監視装置。
- 前記類似事例検索部は、複数の特性値によって構成される変数空間において定義された前記プロセスとの間の距離及び/又は角度に基づいて各操業事例の類似度を判断し、前記類似度に寄与した成分を寄与度として演算する、請求項2に記載のプロセス状態監視装置。
- 前記類似事例検索部によって演算された各操業事例の類似度及び寄与度と共に、検索された操業事例においてなされたアクション及び操業状態を表示するガイダンス表示部を備える、請求項8に記載のプロセス状態監視装置。
- プロセスの状態を示す値の時系列データから2つ以上の成分を分離する成分分離演算ステップと、
前記成分分離演算ステップにおいて分離された各成分から特性値を演算する特性値演算ステップと、
前記特性値演算ステップにおいて演算された特性値に基づいて前記プロセスの状態を分類する状態判定ステップと、
を含むことを特徴とするプロセス状態監視方法。
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JP2019057695 | 2019-03-26 | ||
JP2019057695 | 2019-03-26 | ||
PCT/JP2020/012821 WO2020196441A1 (ja) | 2019-03-26 | 2020-03-24 | プロセス状態監視装置及びプロセス状態監視方法 |
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EP (1) | EP3951530B1 (ja) |
JP (1) | JP7180676B2 (ja) |
KR (2) | KR20210124438A (ja) |
CN (1) | CN113678074A (ja) |
BR (1) | BR112021017758A2 (ja) |
WO (1) | WO2020196441A1 (ja) |
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JP2012155361A (ja) * | 2011-01-21 | 2012-08-16 | Toshiba Corp | プロセス監視装置 |
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JP2016164772A (ja) * | 2015-02-26 | 2016-09-08 | 富士電機株式会社 | プロセス監視装置、プロセス監視方法及びプログラム |
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JP2018014093A (ja) * | 2016-07-06 | 2018-01-25 | Jfeスチール株式会社 | プロセスの状態診断方法及び状態診断装置 |
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JP2012155361A (ja) * | 2011-01-21 | 2012-08-16 | Toshiba Corp | プロセス監視装置 |
JP2013114362A (ja) * | 2011-11-28 | 2013-06-10 | Nippon Steel & Sumitomo Metal | 操業品質予測装置、操業品質予測方法、コンピュータプログラムおよびコンピュータ読み取り可能な記憶媒体 |
JP5996384B2 (ja) * | 2012-11-09 | 2016-09-21 | 株式会社東芝 | プロセス監視診断装置、プロセス監視診断プログラム |
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JP2016164772A (ja) * | 2015-02-26 | 2016-09-08 | 富士電機株式会社 | プロセス監視装置、プロセス監視方法及びプログラム |
JP2018014093A (ja) * | 2016-07-06 | 2018-01-25 | Jfeスチール株式会社 | プロセスの状態診断方法及び状態診断装置 |
WO2018235807A1 (ja) * | 2017-06-19 | 2018-12-27 | Jfeスチール株式会社 | プロセスの異常状態診断装置および異常状態診断方法 |
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KR20210124438A (ko) | 2021-10-14 |
EP3951530B1 (en) | 2023-12-20 |
BR112021017758A2 (pt) | 2021-11-23 |
EP3951530A4 (en) | 2022-05-18 |
CN113678074A (zh) | 2021-11-19 |
JP7180676B2 (ja) | 2022-11-30 |
EP3951530A1 (en) | 2022-02-09 |
US20220187809A1 (en) | 2022-06-16 |
WO2020196441A1 (ja) | 2020-10-01 |
KR20240042121A (ko) | 2024-04-01 |
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