So sánh phương pháp

	Phân tích Nguyên nhân Gốc rễ Bayes	Phân tích cây lỗi (FTA)
Lĩnh vực	Thiết kế thí nghiệm	Độ tin cậy
Họ	Process / pipeline	Process / pipeline
Năm ra đời	1990s–2000s	1981
Người khởi xướng	Rooted in Pearl's Bayesian network theory (Judea Pearl, 1988); applied to RCA in process/reliability engineering from the 1990s onward	Vesely et al. (US NRC Fault Tree Handbook)
Loại	Probabilistic causal inference method	Deductive top-down failure analysis
Công trình gốc	Pourret, O., Naim, P., & Marcot, B. (Eds.). (2008). Bayesian Networks: A Practical Guide to Applications. Wiley. ISBN: 978-0470060308	Vesely, W. E., Goldberg, F. F., Roberts, N. H., & Haasl, D. F. (1981). Fault Tree Handbook (NUREG-0492). U.S. Nuclear Regulatory Commission.
Tên gọi khác	Bayesian RCA, Bayesian causal analysis, probabilistic root cause analysis, BN-RCA	FTA, Fault Tree Method, Top-Down Reliability Analysis, Hata Ağacı Analizi
Liên quan	6	3
Tóm tắt	Bayesian Root Cause Analysis (Bayesian RCA) integrates Bayesian network theory with structured root cause investigation to quantify the probability that each candidate cause is responsible for an observed failure or undesired event. Unlike deterministic RCA methods, it propagates uncertainty through the causal graph, updates beliefs as evidence accumulates, and ranks competing hypotheses by posterior probability — providing a principled, auditable basis for corrective action.	Fault Tree Analysis (FTA) is a top-down, deductive reliability method that begins with an undesired top-level failure event and systematically traces backward through chains of contributing causes using Boolean logic gates (AND, OR). First formalized by Watson at Bell Telephone Laboratories in 1961 and later standardized by Vesely, Goldberg, Roberts, and Haasl in the landmark 1981 NRC Fault Tree Handbook, FTA has become a cornerstone of quantitative risk assessment in nuclear, aerospace, and industrial safety engineering.