Research Article
Shield Tunneling Parameter Matching Model and UI Interface
Table 2
Experimental results of the two models for the second case.
| Number of samples | SVM and IPSO | BP and PSO | MSE | Relative error | MSE | Relative error |
| 100 | 0.0003 | 0.0010 | 0.0342 | 0.0095 | 95 | 0.0003 | 0.0008 | 0.0279 | 0.0055 | 90 | 0.0004 | 0.0020 | 0.0294 | 0.0037 | 85 | 0.0004 | 0.0016 | 0.0275 | 0.0094 | 80 | 0.0004 | 0.0022 | 0.065 | 0.0298 | 75 | 0.0003 | 0.0017 | 0.0637 | 0.0267 | 70 | 0.0004 | 0.0017 | 0.0701 | 0.0113 | 65 | 0.0004 | 0.0024 | 0.0363 | 0.0168 | 60 | 0.0005 | 0.0019 | 0.0514 | 0.0396 | 55 | 0.0008 | 0.0014 | 0.0785 | 0.0479 | 50 | 0.0009 | 0.0022 | 0.0633 | 0.0320 |
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