Open Access
Table 9
Difference of test, ANN and RSM findings for CO and HC emission.
| Trial No. | Input | Responses |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CO (%) |
HC (ppm) |
||||||||||||
| Engine speed | Acetone ratio | Ignition advance | Test | ANN | RSM | % Error/ANN | % Error/RSM | Test | ANN | RSM | % Error/ANN | % Error/RSM | |
| 1 | 1200 | 0 | 10 | 2.859 | 2.861 | 2.864 | 0.074 | 0.175 | 227 | 227.58 | 233.76 | 0.256 | 2.978 |
| 2 | 1800 | 0 | 10 | 0.370 | 0.383 | 0.380 | 3.489 | 2.703 | 114 | 118.68 | 103.86 | 4.104 | 8.895 |
| 3 | 1200 | 0 | 14 | 2.640 | 2.812 | 2.760 | 6.516 | 4.545 | 211 | 214.88 | 203.36 | 1.840 | 3.621 |
| 4 | 1500 | 0 | 14 | 1.774 | 1.789 | 1.616 | 0.818 | 8.918 | 174 | 180.13 | 146.54 | 3.521 | 15.782 |
| 5 | 1800 | 0 | 14 | 0.415 | 0.397 | 0.483 | 4.290 | 16.280 | 166 | 114.36 | 143.34 | 31.110 | 13.651 |
| 6 | 1500 | 0 | 18 | 1.758 | 1.752 | 1.598 | 0.318 | 9.090 | 168 | 166.50 | 166.96 | 0.892 | 0.619 |
| 7 | 1800 | 0 | 18 | 0.450 | 0.439 | 0.533 | 2.388 | 18.400 | 127 | 116.67 | 103.70 | 8.134 | 18.346 |
| 8 | 1500 | 5 | 10 | 1.066 | 1.089 | 1.236 | 2.197 | 15.971 | 156 | 145.89 | 161.38 | 6.479 | 3.446 |
| 9 | 1800 | 5 | 10 | 0.361 | 0.371 | 0.372 | 2.659 | 2.978 | 133 | 122.92 | 118.50 | 7.581 | 10.902 |
| 10 | 1200 | 5 | 14 | 2.186 | 2.183 | 2.083 | 0.140 | 4.732 | 185.6 | 188.85 | 168.85 | 1.749 | 9.025 |
| 11 | 1500 | 5 | 14 | 1.183 | 1.091 | 1.189 | 7.745 | 0.495 | 142 | 121.72 | 132.30 | 14.284 | 6.835 |
| 12 | 1200 | 5 | 18 | 1.631 | 1.677 | 1.872 | 2.823 | 14.773 | 162 | 183.04 | 190.71 | 12.986 | 17.722 |
| 13 | 1500 | 5 | 18 | 1.161 | 1.118 | 1.103 | 3.674 | 4.991 | 118 | 112.92 | 124.10 | 4.308 | 5.165 |
| 14 | 1800 | 5 | 18 | 0.446 | 0.381 | 0.388 | 14.516 | 12.971 | 122 | 126.93 | 101.10 | 4.044 | 17.131 |
| 15 | 1200 | 10 | 10 | 1.847 | 1.801 | 1.852 | 2.507 | 0.271 | 154 | 158.05 | 169.18 | 2.629 | 9.857 |
| 16 | 1800 | 10 | 10 | 0.397 | 0.444 | 0.370 | 11.726 | 6.801 | 115 | 98.85 | 120.34 | 14.040 | 4.643 |
| 17 | 1200 | 10 | 14 | 1.780 | 1.818 | 1.612 | 2.135 | 9.461 | 149 | 142.07 | 141.54 | 4.649 | 5.007 |
| 18 | 1500 | 10 | 14 | 0.675 | 0.988 | 0.968 | 46.409 | 43.467 | 130 | 120.06 | 125.25 | 7.646 | 3.654 |
| 19 | 1200 | 10 | 18 | 1.346 | 1.380 | 1.333 | 2.550 | 0.981 | 186 | 181.05 | 164.78 | 2.662 | 11.409 |
| 20 | 1800 | 10 | 18 | 0.354 | 0.575 | 0.350 | 62.515 | 1.130 | 105 | 109.34 | 115.70 | 4.129 | 10.190 |
| Overall error (%) | 8.974 | 8.957 | 6.852 | 8.944 | |||||||||
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