Risk-Based Predictive Maintenance for Safety-Critical Systems by Using Probabilistic Inference

Table 2

Temporal CPT for component 𝑋₁.

𝑋𝑖^𝑡−1	𝑋^𝑡𝑖	Pr(𝑋^𝑡𝑖∣𝑋𝑖^𝑡−1)
Ok	Ok	1−𝜆𝑝Δ𝑇
Ok	Fail	𝜆𝑝Δ𝑇
Fail	Ok	0
Fail	Fail	1