手法を比較
選択した手法を並べて確認できます。異なる行はハイライト表示されます。
| リスクベース故障モード影響解析 (RBFMEA)× | シックスシグマDMAIC× | |
|---|---|---|
| 分野≠ | 実験計画法 | 品質管理 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1949 (FMEA origins); risk-prioritised RPN framework circa 1977–1980s (AIAG automotive) | 2014 |
| 提唱者≠ | U.S. Department of Defense / MIL-STD-1629A; formalised in IEC 60812 | Motorola; Pyzdek & Keller |
| 種類≠ | Quantitative risk-prioritisation technique | Structured process improvement methodology |
| 原典≠ | International Electrotechnical Commission. (2018). IEC 60812:2018 — Failure modes and effects analysis (FMEA and FMECA). IEC. link ↗ | Pyzdek, T., & Keller, P. (2014). The Six Sigma Handbook (4th ed.). McGraw-Hill. ISBN: 978-0-07-184053-9 |
| 別名 | RBFMEA, Risk-based FMEA, Risk-prioritised FMEA, Quantitative FMEA | DMAIC Framework, Six Sigma Process Improvement Cycle, Define-Measure-Analyze-Improve-Control, Altı Sigma DMAIC |
| 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. | Six Sigma DMAIC is a data-driven, five-phase process improvement methodology — Define, Measure, Analyze, Improve, and Control — used to reduce defects and process variation to fewer than 3.4 defects per million opportunities. Originating at Motorola in the 1980s and systematized by practitioners including Pyzdek and Keller, it is widely adopted in manufacturing, healthcare, finance, and service industries seeking sustained quality gains. |
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