JP6069498B2 - 機械部品の寿命消費を決定する方法及びシステム - Google Patents
機械部品の寿命消費を決定する方法及びシステム Download PDFInfo
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Description
Claims (19)
- 第一の機械部品の重要領域の寿命消費レベルを決定する方法であって、
−前記第一の機械部品の稼働に関連した第一のデータセットを受信する工程(S1)と、
−前記第一の稼働データセットに対応する複数の定常状態条件を決定する工程(S2)と、
−前記複数の決定済み定常条件と前記第一の稼働データセットに基づき、前記第一の機械部品の荷重歴を決定する工程(S3)と、
−前記第一の機械部品の型と前記第一の機械部品の前記重要領域の位置に基づいて、複数の既定の寿命消費計算モデルから、一つを選択する工程であって、同じ機械部品及び同じ重要領域で、二つ以上の寿命消費モデルが利用可能である前記工程(S4)と、
−前記の選択済み寿命消費計算モデルと前記決定済み荷重歴に基づいて、前記第一の機械部品の前記重要領域の寿命消費レベルを決定する工程(S5)と、
−改良されたモデルが利用できる実際の荷重セッションを使用して開発されたときには、複数の寿命消費モデルを更新する工程と、
−更新された寿命消費モデルによって寿命消費を更新する工程と、
を含むことを特徴とする方法。 - 第一の機械部品の重要領域の寿命消費レベルを決定する前記工程が、前記寿命消費レベルを計算するために、前記荷重歴を前記の選択済み寿命消費計算モデルに適用する工程を含む、請求項1に記載の方法。
- 前記の選択済み寿命消費計算モデルが、前記第一の機械部品の応力、歪みまたは温度の少なくとも一つを計算するために提供される、請求項2に記載の方法。
- 前記方法が、
−前記第一の機械部品の稼働に関連した第二のデータセットを受信する工程と、
−前記第二の稼働データセットに対応した複数の定常状態条件を決定する工程と、
−前記複数の決定済み定常条件と前記第二の稼働データセットに基づき、前記第一の機械部品の荷重歴を決定する工程と、
−前記の選択済み寿命消費計算モデルと前記決定済み荷重歴に基づいて、前記第一の機械部品の前記重要領域の寿命消費を決定する工程と、
−前記第一の機械部品の前記重要領域の前記第一と第二の稼働データセットに基づいて決定された前記寿命消費を蓄積する工程と、
−前記蓄積に基づいて、前記第一の機械部品の前記重要領域の寿命消費の全体レベルを提供する工程と、
をさらに含む、請求項1に記載の方法。 - 前記第一の機械部品の前記重要領域の寿命消費レベルの決定が別方法でなされた既定の寿命消費予測に対して、それを、前記寿命消費レベルに基づいて補正する工程をさらに含む、請求項1に記載の方法。
- 前記の既定の寿命消費予測方法が、荷重セッションのサイクル数に基づいたものである、請求項5に記載の方法。
- 前記の既定の寿命消費予測方法が、前記機械部品の使用時間、実行時間または使用距離の少なくとも一つを測定することに基づく、請求項5に記載の方法。
- 前記複数の既定の寿命消費計算モデルが、一般的な非線形の疲労計算モデルに対応する、部品特異的な線形方程式で表される、請求項1に記載の方法。
- 機械部品を含む機械の稼働中に稼働データを収集する工程をさらに含む、請求項1に記載の方法。
- 前記第一の機械部品の稼働に関連した前記第一のデータセットが、機械などの時間、出力操縦棹角度、高度、航空機速度、周囲温度、吸込温度、低圧ロータ速度、高圧ロータ速度、燃焼器圧力、タービン出口温度、タービン出口圧力及び制御モードの一つを測定する、少なくとも一つのセンサによって生成されるデータを含む、請求項1に記載の方法。
- 前記第一の稼働データセットに対応する定常状態条件を決定する工程が、各々の定常状態条件が既定の稼働データに対応して構築される複数の定常状態条件を含むデータベースから前記定常状態条件を選択することで行われる、請求項1に記載の方法。
- 前記寿命消費計算モデルが、前記第一の機械部品の既定の挙動をマッチングするために構成される、請求項1に記載の方法。
- 前記第一の機械部品が、稼働中にその寿命を低減させる荷重に晒され、前記第一の稼働データセットが、前記第一の機械部品の荷重セッションより得られる、請求項1に記載の方法。
- 前記第一の機械部品が、稼働中に寿命を低減させる荷重に晒される航空機の部品により形成され、前記第一の稼働データセットが、前記第一の機械部品の荷重セッションより得られる、請求項1に記載の方法。
- 第一の機械部品の重要領域の寿命消費レベルを決定するシステムであって、前記システムがデータベース(104)と処理装置を含み、前記処理装置が、
−前記第一の機械部品の稼働に関連した第一のデータセットを受信し、
−前記第一の稼働データセットに対応する複数の定常状態条件を決定し、
−前記複数の決定済み定常条件と前記第一の稼働データセットに基づき、前記第一の機械部品の荷重歴を決定し、
−前記第一の機械部品の型と前記第一の機械部品の前記重要領域の位置に基づいて、複数の既定の寿命消費計算モデルから一つを選択し、同じ機械部品及び同じ重要領域で、二つ以上の寿命消費モデルが利用可能であり、
−前記の選択済み寿命消費計算モデルと前記決定済み荷重歴に基づいて、前記第一の機械部品の前記重要領域の寿命消費レベルを決定し、
−改良されたモデルが利用できる実際の荷重セッションを使用して開発されたときには、複数の寿命消費モデルを更新し、
−更新された寿命消費モデルによって寿命消費を更新する、
ように構築されることを特徴とするシステム。 - 前記処理装置が、
−前記第一の機械部品の稼働に関連した第二のデータセットを受信し、
−前記第二の稼働データセットに対応する複数の定常状態条件を決定し、
−前記の複数の決定済み定常条件と前記第二の稼働データセットに基づき、前記第一の機械部品の荷重歴を決定し、
−前記選択済み寿命消費計算モデルと前記決定済み荷重歴に基づいて、前記第一の機械部品の前記重要領域の寿命消費レベルを決定し、
−前記第一の機械部品の前記重要領域の前記第一と第二の稼働データセットに基づいて決定された寿命消費を蓄積し、
−前記蓄積に基づいて、前記機械部品の前記重要領域の寿命消費の全体レベルを提供する、
ようにさらに構成される、請求項15に記載のシステム。 - 機械部品の周辺に設置され、時間、出力操縦棹角度、高度、航空機速度、周囲温度、吸込温度、低圧ロータ速度、高圧ロータ速度、燃焼器圧力、タービン出口温度、タービン出口圧力の少なくとも一つを測定することで、前記第一の稼働データセットを生成するように構成される、少なくとも一つのセンサをさらに含む、請求項15に記載のシステム。
- 前記の定常状態条件が、前記データベース内の特定の稼働データセットとマッチングする定常状態を選択することで決定される、請求項15に記載のシステム。
- 第一の機械部品の重要領域の寿命消費レベルを処理装置に決定させるための手段としてのコンピュータプログラムが保存されたコンピュータ可読媒体を含む、コンピュータプログラム製品であって、前記コンピュータプログラム製品が、
−前記第一の機械部品の稼働と関連した第一のデータセットを受信するコードと、
−前記第一の稼働データセットに対応する複数の定常状態条件を決定するコードと、
−前記複数の決定済み定常状態と前記第1の稼働データセットに基づいて前記第一の機械部品の荷重歴を決定するコードと、
−前記第一の機械部品の型と前記第一の機械部品の前記重要領域の位置に基づいて、複数の既定の寿命消費計算モデルから一つを選択するコードであって、同じ機械部品及び同じ重要領域で、二つ以上の寿命消費モデルが利用可能である前記コードと、
−前記選択済み寿命消費計算モデルと前記決定済み荷重歴に基づいて、前記第一の機械部品の前記重要領域の寿命消費レベルを決定するコードと、
−改良されたモデルが利用できる実際の荷重セッションを使用して開発されたときには、複数の寿命消費モデルを更新し、そして更新された寿命消費モデルによって寿命消費を更新するコードと、
を含むことを特徴とする、コンピュータプログラム製品。
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|---|---|---|---|
| PCT/SE2012/000093 WO2013191593A1 (en) | 2012-06-19 | 2012-06-19 | Method and system for determining life consumption of a mechanical part |
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| JP6069498B2 true JP6069498B2 (ja) | 2017-02-01 |
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| EP (1) | EP2862033B1 (ja) |
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| WO2013191593A1 (en) | 2013-12-27 |
| JP2015522747A (ja) | 2015-08-06 |
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