Research Article

A Belief Rule-Based Safety Evaluation Approach for Complex Systems

Table 2

Belief rule base for launch evaluation.

AntecedentConsequent

Type is liquid ∧ weight is 4 ∧ orbit is GEOPropulsion capability is {(H, 0.9), (M, 0.1)}
Type is liquid ∧ weight is 4 ∧ orbit is MEOPropulsion capability is {(H, 1)}
Type is liquid ∧ weight is 1.6 ∧ orbit is GEOPropulsion capability is {(H, 1)}
Type is liquid ∧ weight is 1.6 ∧ orbit is MEOPropulsion capability is {(H, 1)}
Type is hybrid ∧ weight is 4 ∧ orbit is GEOPropulsion capability is {(L, 1)}
Type is hybrid ∧ weight is 4 ∧ orbit is MEOPropulsion capability is {(M, 0.5), (L, 0.5)}
Type is hybrid ∧ weight is 1.6 ∧ orbit is GEOPropulsion capability is {(H, 0.8), (M, 0.2)}
Type is hybrid ∧ weight is 1.6 ∧ orbit is MEOPropulsion capability is {(H, 0.9), (M, 0.1)}
DR is 0.99 ∧ EP is highlyUpper stage maturity is {(H, 1)}
DR is 0.99 ∧ EP is moderatelyUpper stage maturity is {(H, 0.9), (M, 0.1)}
DR is 0.99 ∧ EP is poorlyUpper stage maturity is {(H, 0.7), (M, 0.2), (L, 0.1)}
DR is 0.9 ∧ EP is highlyUpper stage maturity is {(H, 0.8), (M, 0.2)}
DR is 0.9 ∧ EP is moderatelyUpper stage maturity is {(H, 0.8), (M, 0.1), (L, 0.1)}
DR is 0.9 ∧ EP is poorlyUpper stage maturity is {(H, 0.7), (M, 0.3)}
Number of TS is 3 ∧ GCS service time is 80U4 is {(L, 1)}
Number of TS is 3 ∧ GCS service time is 50U4 is {(L, 0.9), (M, 0.1)}
Number of TS is 2 ∧ GCS service time is 80U4 is {(L, 0.8), (M, 0.2)}
Number of TS is 2 ∧ GCS service time is 50U4 is {(L, 0.7), (M, 0.3)}
Number of TS is 1 ∧ GCS service time is 80U4 is {(M, 0.5), (H, 0.5)}
Number of TS is 1 ∧ GCS service time is 50U4 is {(H, 1)}
RTM percentage is 70% ∧ waveband is longCommunication capability is {(H, 0.9), (M, 0.1)}
RTM percentage is 70% ∧ waveband is shortCommunication capability is {(M, 0.8) (L, 0.2)}
RTM percentage is 50% ∧ waveband is longCommunication capability is {(H, 0.7), (M, 0.3)}
RTM percentage is 50% ∧ waveband is shortCommunication capability is {(M, 0.6), (L, 0.4)}
Humidity is 30% ∧ temperature is 16U5 is {(L, 1)}
Humidity is 30% ∧ temperature is 36U5 is {(L, 0.7) (M, 0.3)}
Humidity is 50% ∧ temperature is 16U5 is {(L, 0.4), (M, 0.6)}
Humidity is 50% ∧ temperature is 36U5 is {(M, 0.2), (H, 0.8)}
Propulsion capability is H ∧ US maturity is HU1 is {(L, 1)}
Propulsion capability is H ∧ US maturity is MU1 is {(L, 0.9), (M, 0.1)}
Propulsion capability is H ∧ US maturity is LU1 is {(L, 0.8), (M, 0.2)}
Propulsion capability is M ∧ US maturity is HU1 is {(M, 0.8) (L, 0.2)}
Propulsion capability is M ∧ US maturity is MU1 is {(M, 1)}
Propulsion capability is M ∧ US maturity is LU1 is {(M, 0.6) (H, 0.4)}
Propulsion capability is L ∧ US maturity is HU1 is {(H, 0.7) (L, 0.3)}
Propulsion capability is L ∧ US maturity is MU1 is {(H, 0.9), (M, 0.1)}
Propulsion capability is L ∧ US maturity is LU1 is {(H, 1)}
U4 is H ∧ communication capability is HU2 is {(M, 0.6), (H, 0.4)}
U4 is H ∧ communication capability is MU2 is {(M, 0.2), (H, 0.8)}
U4 is H ∧ communication capability is LU2 is {(H, 1)}
U4 is M ∧ communication capability is HU2 is {(M, 0.6), (L, 0.4)}
U4 is M ∧ communication capability is MU2 is {(M, 0.8), (H, 0.2)}
U4 is M ∧ communication capability is LU2 is {(M, 0.4), (H, 0.6)}
U4 is L ∧ communication capability is HU2 is {(L, 1)}
U4 is L ∧ communication capability is MU2 is {(L, 0.8), (M, 0.2)}
U4 is L ∧ communication capability is LU2 is {(L, 0.5), (M, 0.5)}
U5 is H ∧ interval is 3U3 is {(H, 1)}
U5 is H ∧ interval is 4U3 is {(H, 0.9), (L, 0.1)}
U5 is M ∧ interval is 3U3 is {(M, 0.9), (L, 0.1)}
U5 is M ∧ interval is 4U3 is {(M, 1)}
U5 is L ∧ interval is 3U3 is {(L, 0.9), (M, 0.1)}
U5 is L ∧ interval is 4U3 is {(L, 1)}
U1 is H ∧ U2 is H ∧ U3 is HEvaluation is {(H, 1)}
U1 is H ∧ U2 is H ∧ U3 is MEvaluation is {(H, 0.9), (M, 0.1)}
U1 is H ∧ U2 is H ∧ U3 is LEvaluation is {(H, 0.8), (M, 0.1), (L, 0.1)}
U1 is H ∧ U2 is M ∧ U3 is HEvaluation is {(H, 0.9), (M, 0.1)}
U1 is H ∧ U2 is M ∧ U3 is MEvaluation is {(H, 0.4), (M, 0.6)}
U1 is H ∧ U2 is M ∧ U3 is LEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is H ∧ U2 is L ∧ U3 is HEvaluation is {(H, 0.8), (M, 0.1), (L, 0.1)}
U1 is H ∧ U2 is L ∧ U3 is MEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is H ∧ U2 is L ∧ U3 is LEvaluation is {(H, 0.1), (M, 0.2), (L, 0.7)}
U1 is M ∧ U2 is H ∧ U3 is HEvaluation is {(H, 0.9), (M, 0.1)}
U1 is M ∧ U2 is H ∧ U3 is MEvaluation is {(H, 0.4), (M, 0.6)}
U1 is M ∧ U2 is H ∧ U3 is LEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is M ∧ U2 is M ∧ U3 is HEvaluation is {(H, 0.4), (M, 0.6)}
U1 is M ∧ U2 is M ∧ U3 is MEvaluation is {(M, 0.1)}
U1 is M ∧ U2 is M ∧ U3 is LEvaluation is {(M, 0.7), (L, 0.3)}
U1 is M ∧ U2 is L ∧ U3 is HEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is M ∧ U2 is L ∧ U3 is MEvaluation is {(M, 0.7), (L, 0.3)}
U1 is M ∧ U2 is L ∧ U3 is LEvaluation is {(M, 0.3), (L, 0.7)}
U1 is L ∧ U2 is H ∧ U3 is HEvaluation is {(H, 0.8), (M, 0.1), (L, 0.1)}
U1 is L ∧ U2 is H ∧ U3 is MEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is L ∧ U2 is H ∧ U3 is LEvaluation is {(H, 0.1), (M, 0.2), (L, 0.7)}
U1 is L ∧ U2 is M ∧ U3 is HEvaluation is {(H, 0.4), (M, 0.3), (L, 0.3)}
U1 is L ∧ U2 is M ∧ U3 is MEvaluation is {(M, 0.7), (L, 0.3)}
U1 is L ∧ U2 is M ∧ U3 is LEvaluation is {(M, 0.3), (L, 0.7)}
U1 is L ∧ U2 is L ∧ U3 is HEvaluation is {(H, 0.1), (M, 0.2), (L, 0.7)}
U1 is L ∧ U2 is L ∧ U3 is MEvaluation is {(M, 0.3), (L, 0.7)}
U1 is L ∧ U2 is L ∧ U3 is LEvaluation is {(L, 1)}