A Hidden Semi-Markov Model with Duration-Dependent State Transition Probabilities for Prognostics

Table 2

State transition probability (𝑑_𝑡(1)=1).

System state	Normal 0	Degradation level 1	Degradation level 2	Failure 3
Normal 0	0.8813	0.0454	0.0732	0.0001
Degradation 1	0.0000	0.6231	0.3473	0.0296
Degradation 2	0.0000	0.0000	0.9263	0.0737
Failure 3	0.0000	0.0000	0.0000	1.0000