Table 4 Performance comparison of different model
From: Spindle Thermal Error Optimization Modeling of a Five-axis Machine Tool
Different algorithm | Convergence time | Train times | Generalization error | Residual error |
|---|---|---|---|---|
ABC-NN | 2.541 | 371 | 0.066 7 | 2.3 |
ANN | 4.683 | 787 | 0.146 1 | 4.2 |
Least squares regression | 1.89 | – | – | 6.5 |