Research Article
Piecewise Model and Parameter Obtainment of Governor Actuator in Turbine
Table 1
The average running time, average optimal value, and standard deviation of the four algorithms.
| Function name | PSO | IPSO | GA | GA-PSO | Theory extreme |
| | Average runtime (s) | 0.115 | 0.092 | 0.453 | 0.199 | 0 | Average optimal value | 0.0049 | 0.0040 | 0.0125 | 0.0019 | Standard deviation | 0.0071 | 0.0066 | 0.0188 | 0.0039 |
| | Average runtime (s) | 0.166 | 0.115 | 0.501 | 0.230 | 0 | Average optimal value | | | 0.162 | | Standard deviation | | | 0.5932 | |
| | Runtime (s) | 0.164 | 0.170 | 0.487 | 0.336 | −837.9 | Average optimal value | −822.55 | −814.28 | −837.96 | −834.41 | Standard deviation | 42.70 | 55.55 | 0 | 20.51 |
| | Average runtime (s) | 0.114 | 0.122 | 0.508 | 0.318 | −186.7 | Average optimal value | −180.28 | −183.46 | −181.50 | −184.48 | Standard deviation | 11.43 | 7.99 | 10.85 | 3.84 |
| | Average runtime (s) | 0.156 | 0.122 | 0.465 | 0.241 | 0 | Average optimal value | 0.006 | 0.004 | 0.016 | 0.002 | Standard deviation | 0.007 | 0.006 | 0.034 | 0.004 |
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is equal to 6.49 × 10−11.
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