Research Article
A Denoising Based Autoassociative Model for Robust Sensor Monitoring in Nuclear Power Plants
Table 3
Results of DAASM and K-AANN performance metrics.
| Performance metric | Model type | Feed flow 1 | Feed flow 2 | STM flow 1 | STM flow 2 | STM PSR 1 | STM PSR 2 | STM PSR 3 | PZR PSR 1 | PZR PSR 2 | PZR LVL 1 | PZR LVL 2 | SG LVL NR 1 | SG LVL NR 2 | AANN | Sp-DAANN |
| Accuracy (% span) | | | 0.382 | 0.361 | 0.343 | 0.412 | 0.186 | 0.211 | 0.166 | 0.386 | 0.411 | 0.243 | 0.223 | 0.512 | 0.621 | | | 0.281 | 0.253 | 0.246 | 0.293 | 0.121 | 0.132 | 0.122 | 0.243 | 0.315 | 0.173 | 0.156 | 0.394 | 0.465 |
| Autosensitivity | | | 0.273 | 0.294 | 0.321 | 0.332 | 0.205 | 0.182 | 0.198 | 0.253 | 0.233 | 0.225 | 0.231 | 0.268 | 0.301 | | | 0.153 | 0.167 | 0.187 | 0.163 | 0.112 | 0.079 | 0.082 | 0.131 | 0.071 | 0.14 | 0.117 | 0.133 | 0.187 |
| Cross-sensitivity | | | 0.128 | 0.124 | 0.113 | 0.116 | 0.112 | 0.108 | 0.092 | 0.079 | 0.083 | 0.098 | 0.11 | 0.103 | 0.105 | | | 0.0632 | 0.0527 | 0.0563 | 0.0614 | 0.039 | 0.0311 | 0.0287 | 0.0186 | 0.0203 | 0.0344 | 0.0336 | 0.03 | 0.0286 |
| SPRT detectability | | | 0.312 | 0.315 | 0.33 | 0.35 | 0.04 | 0.05 | 0.04 | 0.08 | 0.086 | 0.1 | 0.09 | 0.06 | 0.058 | | | 0.184 | 0.165 | 0.19 | 0.2 | 0.021 | 0.023 | 0.02 | 0.048 | 0.05 | 0.04 | 0.04 | 0.032 | 0.028 |
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