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| リスクベース故障モード影響解析 (RBFMEA)× | 統計的信頼性解析× | |
|---|---|---|
| 分野≠ | 実験計画法 | 信頼性 |
| 系統≠ | Process / pipeline | Regression model |
| 提唱年≠ | 1949 (FMEA origins); risk-prioritised RPN framework circa 1977–1980s (AIAG automotive) | 1998 |
| 提唱者≠ | U.S. Department of Defense / MIL-STD-1629A; formalised in IEC 60812 | William Meeker & Luis Escobar |
| 種類≠ | Quantitative risk-prioritisation technique | Parametric lifetime modeling |
| 原典≠ | International Electrotechnical Commission. (2018). IEC 60812:2018 — Failure modes and effects analysis (FMEA and FMECA). IEC. link ↗ | Meeker, W. Q., & Escobar, L. A. (1998). Statistical Methods for Reliability Data. Wiley. ISBN: 978-0-471-14328-4 |
| 別名 | RBFMEA, Risk-based FMEA, Risk-prioritised FMEA, Quantitative FMEA | Life Data Analysis, Survival Analysis (Engineering), Time-to-Failure Analysis, Güvenilirlik Analizi |
| 関連≠ | 6 | 3 |
| 概要≠ | Risk-based failure mode and effects analysis (RBFMEA) is a structured engineering technique that identifies every way a system or process can fail, assesses the risk of each failure mode using a numerical Risk Priority Number (RPN = Occurrence × Severity × Detectability), and prioritises corrective actions accordingly. Rooted in MIL-STD-1629A and standardised in IEC 60812:2018, it is the dominant proactive reliability and safety tool in aerospace, automotive, pharmaceutical, and manufacturing industries. | Statistical reliability analysis models the time-to-failure of components, systems, or products using parametric lifetime distributions fitted to observed or censored failure data. Formalized comprehensively by William Q. Meeker and Luis A. Escobar in their 1998 Wiley monograph, the framework integrates maximum likelihood estimation, censoring mechanisms, and distributional diagnostics to produce probability-of-failure curves, hazard rates, and quantile estimates that support design, warranty, and maintenance decisions. |
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