方法对比
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| 多响应故障树分析× | 事件树分析 (ETA)× | |
|---|---|---|
| 领域≠ | 实验设计 | 可靠性 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1961 (FTA); multi-response extensions developed from the 1980s onward | 2002 |
| 提出者≠ | H. A. Watson (Bell Labs); extended by W. E. Vesely and others for multi-output contexts | Andrews & Moss |
| 类型≠ | Deductive reliability and risk analysis | Forward inductive logic tree |
| 开创性文献≠ | Vesely, W. E., Goldberg, F. F., Roberts, N. H., & Haasl, D. F. (1981). Fault Tree Handbook. U.S. Nuclear Regulatory Commission, NUREG-0492. link ↗ | Andrews, J. D., & Moss, T. R. (2002). Reliability and Risk Assessment (2nd ed.). Professional Engineering Publishing. ISBN: 978-1-86058-290-5 |
| 别名 | MR-FTA, multi-output fault tree analysis, multi-criterion fault tree analysis, multi-response FTA | ETA, Event Sequence Diagram Analysis, Initiating Event Analysis, Olay Ağacı Analizi |
| 相关≠ | 5 | 2 |
| 摘要≠ | Multi-response fault tree analysis (MR-FTA) extends classical fault tree analysis to systems where multiple distinct top-level failure events or outcome metrics must be evaluated simultaneously. Rather than constructing a single tree for one top event, the analyst builds and quantifies parallel trees — one per response — then aggregates results to rank critical failure paths across all responses at once, enabling holistic system risk prioritization. | Event Tree Analysis (ETA) is a forward inductive technique used in reliability and risk engineering to model the possible outcomes that follow an initiating event. Starting from a single undesired event, ETA traces all subsequent event sequences through a binary branching tree representing the success or failure of safety barriers and protective systems. Introduced formally in reliability and risk literature by Andrews and Moss (2002), it is widely applied in nuclear, chemical, and aerospace industries to quantify accident sequence probabilities and guide safety decision-making. |
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