Research Article
Improved Response Surface Method Based on Linear Gradient Iterative Criterion
Table 1
Calculation results of example 1.
| | Used method | Reduction coefficient | Iteration times | Failure probability | Reliability index | Relative error (%) |
| | Monte Carlo method | — | — | 19.0 × 10−3 | 2.0751 | — | | Traditional response surface method | — | 28 | 6.2 × 10−3 | 2.4981 | 20.38 |
| | The proposed method | 0.01 | — | — | — | — | | 0.05 | 9 | 12.6 × 10−3 | 2.2393 | 7.91 | | 0.2 | 8 | 12.6 × 10−3 | 2.2393 | 7.91 | | 0.4 | 10 | 12.6 × 10−3 | 2.2393 | 7.91 | | 0.6 | 14 | 12.6 × 10−3 | 2.2393 | 7.91 | | 0.8 | 28 | 12.6 × 10−3 | 2.2393 | 7.91 |
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