Table 5 Main features for each engineering design problem
From: Improved Differential Evolution with Shrinking Space Technique for Constrained Optimization
Engineering benchmark | No. of variables n | Ration ρ/ % | No. of constrains N |
|---|---|---|---|
Weld-beam design | 4 | 37.625 | 5 |
Spring design | 3 | 0.732 3 | 4 |
Speed reducer design | 7 | 23.015 2 | 11 |
Three-bar truss design | 2 | 21.870 6 | 3 |