Research Article
A Modified FNN Fault Diagnosis on PCVD Microwave System
Table 1
The results of FNN fault diagnosis.
| Time (hr) | Fault symptom | Fault mode probability | Actual fault | I.R.C. | | | | | | | | | | |
| 0~4000 | 0.1 | 0.16 | 1000 | 0.6809 | 0.1404 | 0.0681 | 0.1106 | T | | | | | 0.1 | 0.13 | 800 | 0.7268 | 0.1279 | 0.0569 | 0.0884 | T | | | | | 0.1 | 0.10 | 600 | 0.7495 | 0.1224 | 0.0503 | 0.0778 | T | | | | | 0.1 | 0.07 | 400 | 0.7566 | 0.1174 | 0.0533 | 0.0726 | T | | | | | 0.1 | 0.20 | 1000 | 0.6809 | 0.1404 | 0.0681 | 0.1106 | T | | | | | 0.1 | 0.16 | 800 | 0.7077 | 0.1317 | 0.0638 | 0.0968 | T | | | | | 0.1 | 0.12 | 600 | 0.7526 | 0.1202 | 0.0516 | 0.0755 | | X | | | | 0.1 | 0.08 | 400 | 0.7548 | 0.1187 | 0.0526 | 0.0739 | T | | | | | 0.1 | 0.25 | 1000 | 0.6809 | 0.1404 | 0.0681 | 0.1106 | T | | | | | 0.1 | 0.20 | 800 | 0.7077 | 0.1317 | 0.0638 | 0.0968 | T | | | | | 0.1 | 0.15 | 600 | 0.7307 | 0.1242 | 0.0602 | 0.0850 | | | X | | | 0.1 | 0.10 | 400 | 0.7521 | 0.1206 | 0.0514 | 0.0759 | T | | | | | 0.1 | 0.33 | 1000 | 0.6809 | 0.1404 | 0.0681 | 0.1106 | T | | | | | 0.1 | 0.27 | 800 | 0.7077 | 0.1317 | 0.0638 | 0.0968 | T | | | | | 0.1 | 0.20 | 600 | 0.7307 | 0.1242 | 0.0602 | 0.0850 | | | X | | | 0.1 | 0.13 | 400 | 0.7566 | 0.1174 | 0.0533 | 0.0726 | T | | | | | 0.1 | 0.50 | 1000 | 0.6809 | 0.1404 | 0.0681 | 0.1106 | T | | | | | 0.1 | 0.40 | 800 | 0.7077 | 0.1317 | 0.0638 | 0.0968 | T | | | | | 0.1 | 0.30 | 600 | 0.7307 | 0.1242 | 0.0602 | 0.0850 | T | | | | | 0.1 | 0.20 | 400 | 0.7518 | 0.1173 | 0.0569 | 0.0740 | T | | | |
| 5000 | 0.5 | 0.16 | 1000 | 0.3678 | 0.0759 | 0.0368 | 0.5195 | T | | | | | 0.5 | 0.13 | 800 | 0.4289 | 0.0755 | 0.0335 | 0.4621 | T | | | | | 0.5 | 0.10 | 600 | 0.4647 | 0.0759 | 0.0312 | 0.4282 | T | | | | | 0.5 | 0.07 | 400 | 0.4698 | 0.0729 | 0.0331 | 0.4242 | T | | | | | 0.5 | 0.20 | 1000 | 0.3678 | 0.0759 | 0.0368 | 0.5195 | T | | | | | 0.5 | 0.16 | 800 | 0.3998 | 0.0744 | 0.0361 | 0.4897 | T | | | | | 0.5 | 0.12 | 600 | 0.4669 | 0.0746 | 0.0320 | 0.4264 | T | | | | | 0.5 | 0.08 | 400 | 0.4685 | 0.0737 | 0.0326 | 0.4252 | T | | | | | 0.5 | 0.25 | 1000 | 0.3678 | 0.0759 | 0.0368 | 0.5195 | T | | | | | 0.5 | 0.20 | 800 | 0.3998 | 0.0744 | 0.0361 | 0.4897 | T | | | | | 0.5 | 0.15 | 600 | 0.4296 | 0.0730 | 0.0354 | 0.4621 | T | | | | | 0.5 | 0.10 | 400 | 0.4665 | 0.0748 | 0.0319 | 0.4268 | T | | | | | 0.5 | 0.33 | 1000 | 0.3678 | 0.0759 | 0.0368 | 0.5195 | T | | | | | 0.5 | 0.27 | 800 | 0.3998 | 0.0744 | 0.0361 | 0.4897 | T | | | | | 0.5 | 0.20 | 600 | 0.4296 | 0.0730 | 0.0354 | 0.4621 | | | | T | | 0.5 | 0.13 | 400 | 0.4698 | 0.0729 | 0.0331 | 0.4242 | T | | | | | 0.5 | 0.50 | 1000 | 0.3678 | 0.0759 | 0.0368 | 0.5195 | | | | T | | 0.5 | 0.40 | 800 | 0.3998 | 0.0744 | 0.0361 | 0.4897 | | | | T | | 0.5 | 0.30 | 600 | 0.4296 | 0.0730 | 0.0354 | 0.4621 | | | | T | | 0.5 | 0.20 | 400 | 0.3854 | 0.0601 | 0.0291 | 0.5253 | | | | T |
| 6000 | 1 | 0.16 | 1000 | 0.2914 | 0.0601 | 0.0291 | 0.6193 | | | | T | | 1 | 0.13 | 800 | 0.3494 | 0.0615 | 0.0273 | 0.5617 | | | | T | | 1 | 0.10 | 600 | 0.3840 | 0.0627 | 0.0258 | 0.5275 | | | | T | | 1 | 0.07 | 400 | 0.3940 | 0.0612 | 0.0278 | 0.5171 | | | | T | | 1 | 0.20 | 1000 | 0.2914 | 0.0601 | 0.0291 | 0.6193 | | | | T | | 1 | 0.16 | 800 | 0.3231 | 0.0601 | 0.0291 | 0.5876 | | | | T | | 1 | 0.12 | 600 | 0.3884 | 0.0620 | 0.0266 | 0.5229 | | | | T | | 1 | 0.08 | 400 | 0.3915 | 0.0616 | 0.0273 | 0.5197 | | | | T | | 1 | 0.25 | 1000 | 0.2914 | 0.0601 | 0.0291 | 0.6193 | | | | T | | 1 | 0.20 | 800 | 0.3231 | 0.0601 | 0.0291 | 0.5876 | | | X | | | 1 | 0.15 | 600 | 0.3537 | 0.0601 | 0.0291 | 0.5570 | | | | T | | 1 | 0.10 | 400 | 0.3876 | 0.0622 | 0.0265 | 0.5238 | | | | T | | 1 | 0.33 | 1000 | 0.2914 | 0.0601 | 0.0291 | 0.6193 | | | | T | | 1 | 0.27 | 800 | 0.3231 | 0.0601 | 0.0291 | 0.5876 | | | | T | | 1 | 0.20 | 600 | 0.3537 | 0.0601 | 0.0291 | 0.5570 | | | | T | | 1 | 0.13 | 400 | 0.3940 | 0.0612 | 0.0278 | 0.5171 | | | | T | | 1 | 0.50 | 1000 | 0.2914 | 0.0601 | 0.0291 | 0.6193 | | | | T | | 1 | 0.40 | 800 | 0.3231 | 0.0601 | 0.0291 | 0.5876 | | | | T | | 1 | 0.30 | 600 | 0.3537 | 0.0601 | 0.0291 | 0.5570 | | | | T | | 1 | 0.20 | 400 | 0.3854 | 0.0601 | 0.0291 | 0.5253 | | | | T |
|
|
I.R.C.: intrinsic restriction coefficient. T: diagnosis result identical to actual fault. X: actual fault.
|