方法对比
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| 多响应故障树分析× | 统计可靠性分析× | |
|---|---|---|
| 领域≠ | 实验设计 | 可靠性 |
| 方法族≠ | Process / pipeline | Regression model |
| 起源年份≠ | 1961 (FTA); multi-response extensions developed from the 1980s onward | 1998 |
| 提出者≠ | H. A. Watson (Bell Labs); extended by W. E. Vesely and others for multi-output contexts | William Meeker & Luis Escobar |
| 类型≠ | Deductive reliability and risk analysis | Parametric lifetime modeling |
| 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 ↗ | Meeker, W. Q., & Escobar, L. A. (1998). Statistical Methods for Reliability Data. Wiley. ISBN: 978-0-471-14328-4 |
| 别名 | MR-FTA, multi-output fault tree analysis, multi-criterion fault tree analysis, multi-response FTA | Life Data Analysis, Survival Analysis (Engineering), Time-to-Failure Analysis, Güvenilirlik Analizi |
| 相关≠ | 5 | 3 |
| 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. | 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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