Table 1 Setting of input parameters
From: Optimization of Fixture Number in Large Thin-Walled Parts Assembly Based on IPSO
Parameter symbol | Parameter description | Parameter value |
|---|---|---|
\({n}_{1}\) | Total number of nodes on part 1 | 1828 |
\({n}_{2}\) | Total number of nodes on part 2 | 892 |
\({NF}_{1}\) | Total number of nodes on part 1 where fixtures cannot be placed | 170 |
\({NF}_{2}\) | Total number of nodes on part 2 where fixtures cannot be placed | 135 |
\({m}_{0}\) | Number of nodes along the interface | 53 |
\({{n}_{1}}^{*}\) | Maximum number of fixtures for part 1 | 28 |
\({{n}_{2}}^{*}\) | Maximum number of fixtures for part 2 | 14 |
\({N}^{*}\) | Maximum number of fixtures on two parts | 42 |
\(\varepsilon\) | Surface profile tolerance for two parts (mm) | 3 |
\(\sigma\) | Maximum assembly gap (mm) | 1 |
\({\delta }_{0}\) | Penalty factor | 300 |