Table 2.
Actual and prediction data of engine emission indexes according to SVR and LSTM
| HC EI T/O (g/kg) |
CO EI T/O (g/kg) |
NOX EI T/O (g/kg) |
Fuel Flow T/O (kg/sec) |
|||||
|---|---|---|---|---|---|---|---|---|
| Actual | Prediction | Actual | Prediction | Actual | Prediction | Actual | Prediction | |
| SVR | 0.02 | 0.0210 | 0.06 | 0.0632 | 34.77 | 35.1872 | 2.504 | 2.5082 |
| 0.07 | 0.0709 | 0.09 | 0.0925 | 45.53 | 45.6551 | 2.84 | 2.8117 | |
| 0.04 | 0.0394 | 0.15 | 0.1403 | 40.65 | 39.6458 | 2.832 | 2.8090 | |
| 0.02 | 0.0231 | 0.23 | 0.2263 | 25.46 | 26.6937 | 1.023 | 1.0223 | |
| 0.04 | 0.0330 | 0.3 | 0.3391 | 25.3 | 23.2313 | 0.634 | 0.6578 | |
| 0.02 | 0.0196 | 0.17 | 0.0682 | 34.61 | 34.1023 | 2.505 | 2.5062 | |
| 0.02 | 0.0605 | 0.22 | 0.2260 | 18.82 | 18.5912 | 0.8 | 0.7976 | |
| 0.03 | 0.0288 | 0.05 | 0.0533 | 44.61 | 45.1809 | 2.746 | 2.7488 | |
| 0.02 | 0.0208 | 0.18 | 0.2192 | 20.43 | 20.1096 | 2.023 | 2.0325 | |
| 0.02 | 0.0197 | 0.32 | 0.3151 | 17.22 | 17.2750 | 1.88 | 1.8838 | |
| 0.018 | 0.0305 | 0.217 | 0.2117 | 22.6 | 22.6620 | 0.95 | 0.9505 | |
| 0.02 | 0.0397 | 0.21 | 0.2152 | 20.98 | 21.1822 | 0.88 | 0.8839 | |
| 0.03 | 0.0311 | 0.13 | 0.1257 | 51.07 | 48.8606 | 4.6 | 4.5562 | |
| 0.02 | 0.0213 | 0.24 | 0.2450 | 30.8 | 30.7502 | 0.861 | 0.8571 | |
| 0.03 | 0.0263 | 0.08 | 0.1284 | 47.74 | 47.4060 | 4.53 | 4.3910 | |
| 0.04 | 0.0428 | 0.16 | 0.1559 | 38.19 | 45.6825 | 0.916 | 0.9150 | |
| 0.02 | 0.0200 | 0.25 | 0.2296 | 18.04 | 19.5246 | 2.019 | 2.0313 | |
| 0.04 | 0.0497 | 0.17 | 0.1643 | 48.9 | 55.4343 | 0.96 | 0.9763 | |
| 0.02 | 0.0187 | 0.23 | 0.2456 | 25.46 | 31.9873 | 1.023 | 1.0278 | |
| 0.05 | 0.0524 | 0.18 | 0.2001 | 60.67 | 59.9104 | 1.061 | 1.0566 | |
| 0.04 | 0.0391 | 0.12 | 0.1088 | 47.25 | 47.3078 | 3.115 | 3.1332 | |
| 0.072 | 0.0709 | 0.238 | 0.2385 | 25.9 | 25.6388 | 0.95 | 0.9509 | |
| 0.02 | 0.0213 | 0.24 | 0.2450 | 30.8 | 30.7502 | 0.861 | 0.8571 | |
| 0.04 | 0.0302 | 0.27 | 0.2641 | 49.48 | 36.7847 | 0.946 | 0.9414 | |
| 0.068 | 0.0752 | 0.32 | 0.3154 | 18.2 | 18.2523 | 0.71 | 0.7160 | |
| 0.02 | 0.0287 | 0.24 | 0.2687 | 17.59 | 24.4311 | 0.745 | 0.7404 | |
| 0.02 | 0.0287 | 0.24 | 0.2687 | 17.59 | 24.4311 | 0.745 | 0.7404 | |
| 0.02 | 0.0209 | 0.06 | 0.0632 | 34.77 | 35.1920 | 2.504 | 2.5101 | |
| 0.2 | 0.1005 | 2.9 | 2.3791 | 13.9 | 12.6655 | 0.961 | 0.9861 | |
| 0.02 | 0.0209 | 0.06 | 0.0632 | 34.77 | 35.1920 | 2.504 | 2.5101 | |
| 0.05 | 0.0484 | 0.17 | 0.1634 | 55.26 | 55.2611 | 1.014 | 1.0081 | |
| 0.02 | 0.0266 | 0.05 | 0.0532 | 42.71 | 43.2545 | 2.704 | 2.7106 | |
| 0.02 | 0.0443 | 0.22 | 0.2149 | 18.82 | 19.0153 | 0.8 | 0.7943 | |
| 0.02 | 0.0192 | 0.18 | 0.1192 | 25.74 | 25.9842 | 2.278 | 2.2680 | |
| 0.03 | 0.0309 | 0.05 | 0.0548 | 46.9 | 46.8131 | 2.79 | 2.7828 | |
| LSTM | 0.02 | 0.0211 | 0.06 | 0.1160 | 34.77 | 36.2891 | 2.504 | 2.4857 |
| 0.07 | 0.0685 | 0.09 | 0.1984 | 45.53 | 45.5500 | 2.84 | 2.8754 | |
| 0.04 | 0.0410 | 0.15 | 0.1495 | 40.65 | 40.8070 | 2.832 | 2.7970 | |
| 0.02 | 0.0211 | 0.23 | 0.2185 | 25.46 | 26.5050 | 1.023 | 0.9910 | |
| 0.04 | 0.0433 | 0.3 | 0.2798 | 25.3 | 21.9494 | 0.634 | 0.6108 | |
| 0.02 | 0.0208 | 0.17 | 0.1204 | 34.61 | 35.0258 | 2.505 | 2.4820 | |
| 0.02 | 0.0370 | 0.22 | 0.2227 | 18.82 | 19.6261 | 0.8 | 0.7943 | |
| 0.03 | 0.0296 | 0.05 | 0.0733 | 44.61 | 45.2307 | 2.746 | 2.7171 | |
| 0.02 | 0.0197 | 0.18 | 0.2117 | 20.43 | 19.9023 | 2.023 | 2.0218 | |
| 0.02 | 0.0190 | 0.32 | 0.2427 | 17.22 | 16.9427 | 1.88 | 1.8785 | |
| 0.018 | 0.0265 | 0.217 | 0.2202 | 22.6 | 23.0524 | 0.95 | 0.9409 | |
| 0.02 | 0.0426 | 0.21 | 0.2227 | 20.98 | 22.6765 | 0.88 | 0.8664 | |
| 0.03 | 0.0304 | 0.13 | 0.0271 | 51.07 | 51.1013 | 4.6 | 4.5496 | |
| 0.02 | 0.0241 | 0.24 | 0.2446 | 30.8 | 24.6075 | 0.861 | 0.8479 | |
| 0.03 | 0.0296 | 0.08 | 0.0407 | 47.74 | 47.8316 | 4.53 | 4.4123 | |
| 0.04 | 0.0414 | 0.16 | 0.2390 | 38.19 | 39.8171 | 0.916 | 0.9086 | |
| 0.02 | 0.0213 | 0.25 | 0.2153 | 18.04 | 18.6261 | 2.019 | 2.0186 | |
| 0.04 | 0.0477 | 0.17 | 0.2098 | 48.9 | 53.6669 | 0.96 | 0.9499 | |
| 0.02 | 0.0258 | 0.23 | 0.2176 | 25.46 | 24.0754 | 1.023 | 1.0212 | |
| 0.05 | 0.0504 | 0.18 | 0.1913 | 60.67 | 61.0749 | 1.061 | 1.0412 | |
| 0.04 | 0.0444 | 0.12 | 0.1009 | 47.25 | 47.2464 | 3.115 | 3.1014 | |
| 0.072 | 0.0649 | 0.238 | 0.2226 | 25.9 | 25.1362 | 0.95 | 0.9336 | |
| 0.02 | 0.0241 | 0.24 | 0.2446 | 30.8 | 24.6075 | 0.861 | 0.8479 | |
| 0.04 | 0.0376 | 0.27 | 0.2464 | 49.48 | 38.8237 | 0.946 | 0.9318 | |
| 0.068 | 0.0662 | 0.32 | 0.2227 | 18.2 | 16.6696 | 0.71 | 0.7003 | |
| 0.02 | 0.0431 | 0.24 | 0.2500 | 17.59 | 16.9078 | 0.745 | 0.7300 | |
| 0.02 | 0.0431 | 0.24 | 0.2500 | 17.59 | 16.9078 | 0.745 | 0.7300 | |
| 0.02 | 0.0210 | 0.06 | 0.1160 | 34.77 | 36.2900 | 2.504 | 2.4868 | |
| 0.2 | 0.0987 | 2.9 | 2.7885 | 13.9 | 10.6966 | 0.961 | 1.0483 | |
| 0.02 | 0.0210 | 0.06 | 0.1160 | 34.77 | 36.2900 | 2.504 | 2.4868 | |
| 0.05 | 0.0483 | 0.17 | 0.2054 | 55.26 | 53.9666 | 1.014 | 1.0013 | |
| 0.02 | 0.0278 | 0.05 | 0.0811 | 42.71 | 44.0710 | 2.704 | 2.6773 | |
| 0.02 | 0.0188 | 0.22 | 0.2208 | 18.82 | 16.9837 | 0.8 | 0.7907 | |
| 0.02 | 0.0199 | 0.18 | 0.1645 | 25.74 | 25.5334 | 2.278 | 2.2453 | |
| 0.03 | 0.0310 | 0.05 | 0.0667 | 46.9 | 46.2389 | 2.79 | 2.7494 | |