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| シミュレーション支援故障の木解析× | モンテカルロシミュレーション× | |
|---|---|---|
| 分野≠ | 実験計画法 | 意思決定 |
| 系統≠ | Process / pipeline | MCDM |
| 提唱年≠ | 1970s–1980s (widespread adoption in nuclear and aerospace industries) | 1949 |
| 提唱者≠ | Fault tree analysis: H. A. Watson (Bell Labs, 1961); Monte Carlo integration in reliability: Herman Kahn / Stanislaw Ulam (RAND, late 1940s); combination formalized in reliability engineering literature from the 1970s onward | Metropolis, N., Ulam, S. |
| 種類≠ | Quantitative reliability and risk analysis technique | Robustness wrapper — Monte Carlo uncertainty propagation |
| 原典≠ | Vesely, W. E., Goldberg, F. F., Roberts, N. H., & Haasl, D. F. (1981). Fault Tree Handbook. US Nuclear Regulatory Commission, NUREG-0492. link ↗ | Metropolis, N., Ulam, S. (1949). The Monte Carlo method. Journal of the American Statistical Association DOI ↗ |
| 別名≠ | SA-FTA, Monte Carlo FTA, simulation-based FTA, stochastic fault tree analysis | — |
| 関連≠ | 6 | 0 |
| 概要≠ | Simulation-assisted fault tree analysis (SA-FTA) combines the logical structure of classical fault tree analysis with Monte Carlo or discrete-event simulation to estimate the probability and timing of an undesired top event when component failures follow complex, non-exponential, or correlated probability distributions. The approach overcomes the analytical limitations of Boolean algebra-based FTA and is widely used in nuclear, aerospace, chemical process, and manufacturing reliability engineering. | MONTE-CARLO-SIMULATION (Monte Carlo Simulation — Stochastic uncertainty propagation through MCDM model) is a ranking multi-criteria decision-making (MCDM) method introduced by Metropolis, N., Ulam, S. in 1949. It turns a decision matrix of alternatives scored on multiple criteria into a structured, reproducible result. |
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