The exhaustive search of the section ‘Nominal sensor placement methodology’ is next applied to the reduced candidate sensor set provided by the clustering algorithm based on the extended FSM. Table 2 provides the resulting leak locatability matrices.
Leak locatability matrices for case study 2
(a) Leak magnitude uncertainty analysis . | |||||
---|---|---|---|---|---|
. | S1* = {2, 8, 9, 83, 249} . | S2* = {2, 8, 9, 83, 249} . | S3* = {2, 8, 9, 83, 249} . | S4* = {2, 8, 9, 83, 249} . | S5* = {2, 8, 9, 83, 249} . |
Scn1 | 96,027 | 96,027 | 96,027 | 96,027 | 96,027 |
Scn2 | 100,165 | 100,165 | 100,165 | 100,165 | 100,165 |
Scn3 | 100,328 | 100,328 | 100,328 | 100,328 | 100,328 |
Scn4 | 100,186 | 100,186 | 100,186 | 100,186 | 100,186 |
Scn5 | 100,149 | 100,149 | 100,149 | 100,149 | 100,149 |
(b) Operating point variation analysis . | |||||
. | S1* = {199, 243, 244, 245, 285} . | S2* = {199, 243, 244, 245, 285} . | S3* = {2, 8, 9, 83, 249} . | S4* = {9, 199, 206, 222, 285} . | S5* = {2, 9, 171, 222, 249} . |
Scn1 | 98,437 | 98,437 | 73,060 | 81,292 | 74,810 |
Scn2 | 99,086 | 99,086 | 79,696 | 80,116 | 78,817 |
Scn3 | 93,134 | 93,134 | 100,108 | 81,544 | 90,460 |
Scn4 | 41,328 | 41,328 | 42,355 | 49,105 | 46,728 |
Scn5 | 33,760 | 33,760 | 43,709 | 46,817 | 51,396 |
(a) Leak magnitude uncertainty analysis . | |||||
---|---|---|---|---|---|
. | S1* = {2, 8, 9, 83, 249} . | S2* = {2, 8, 9, 83, 249} . | S3* = {2, 8, 9, 83, 249} . | S4* = {2, 8, 9, 83, 249} . | S5* = {2, 8, 9, 83, 249} . |
Scn1 | 96,027 | 96,027 | 96,027 | 96,027 | 96,027 |
Scn2 | 100,165 | 100,165 | 100,165 | 100,165 | 100,165 |
Scn3 | 100,328 | 100,328 | 100,328 | 100,328 | 100,328 |
Scn4 | 100,186 | 100,186 | 100,186 | 100,186 | 100,186 |
Scn5 | 100,149 | 100,149 | 100,149 | 100,149 | 100,149 |
(b) Operating point variation analysis . | |||||
. | S1* = {199, 243, 244, 245, 285} . | S2* = {199, 243, 244, 245, 285} . | S3* = {2, 8, 9, 83, 249} . | S4* = {9, 199, 206, 222, 285} . | S5* = {2, 9, 171, 222, 249} . |
Scn1 | 98,437 | 98,437 | 73,060 | 81,292 | 74,810 |
Scn2 | 99,086 | 99,086 | 79,696 | 80,116 | 78,817 |
Scn3 | 93,134 | 93,134 | 100,108 | 81,544 | 90,460 |
Scn4 | 41,328 | 41,328 | 42,355 | 49,105 | 46,728 |
Scn5 | 33,760 | 33,760 | 43,709 | 46,817 | 51,396 |