Research Article
Modeling and Optimization for Piercing Efficiency and Energy Consumption Based on Mean Value Substaged KELM-PLS and GA Method
Table 1
Modeling variable table for piercing efficiency and energy.
|
Number |
Original variables | The first stage variables | The second stage variables | The third stage variables |
The mean of variables | Efficiency | Energy consumption | Efficiency | Energy consumption | Efficiency | Energy consumption |
| 1 | | | | | | | | The percent reduction of upper roll | 2 | | | | | | | | The percent reduction of under roll | 3 | | | | | | | | The angle of inclination of upper roll | 4 | | | | | | | | The angle of inclination of under roll | 5 | | | | | | | | The rotational speed of upper roll | 6 | | | | | | | | The rotational speed of under roll | 7 | | | | | | | | The position change range of pusher | 8 | | | | | | | | The actual position of mandrel thrust block | 9 | | | | | | | | The position of mandrel | 10 | | | | | | | | The rotational speed of left guide disc | 11 | | | | | | | | The rotational speed of left guide disc | 12 | | | | | | | | The temperature of tube blank |
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