Research Article
Parameter Tuning of PID Controller for Beer Filling Machine Liquid Level Control Based on Improved Genetic Algorithm
Table 1
Comparison of average convergence precision of different algorithms.
| | Test function | Algorithm 1 | Algorithm 2 | Algorithm 3 |
| | Test function 1 | 0 | 6.9713 × 10−12 | 9.8716 × 10−13 | | Test function 2 | 5.8970 × 10−11 | 3.8843 × 10−5 | 4.0453 × 10−5 | | Test function 3 | 0 | 2.7837 × 10−3 | 4.0595 × 10−3 | | Test function 4 | 0 | 3.8579 × 10−1 | 3.3787 × 10−1 | | Test function 5 | 0 | 8.4037 × 10−5 | 3.4528 × 10−4 | | Test function 6 | 0 | 3.4295 × 10−3 | 1.0409 × 10−3 | | Test function 7 | 2.1673 × 10−11 | 2.0123 × 10−3 | 1.5920 × 10−4 | | Test function 8 | 0 | 1.5393 × 10−3 | 4.8283 × 10−3 |
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