计算机工程与应用 ›› 2012, Vol. 48 ›› Issue (27): 229-232.
• 工程与应用 • 上一篇 下一篇
王思华,王爱霞
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WANG Sihua, WANG Aixia
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摘要: 针对高土壤电阻率地区的接地电阻计算,需要得到准确的土壤电阻率和分层实际厚度参数,运用遗传算法-模式搜索法计算接地土壤参数。用遗传算法全局搜索,得到全局近似最优解,使用局部寻优精度好的模式搜索法,得到精度更好的解。通过与文献所提供的算例进行比较,结果表明,用遗传算法-模式搜索法得到的接地土壤参数误差是较小的。
关键词: 土壤结构, 非线性优化算法, 模式搜索法, 遗传算法
Abstract: According to the calculation of grounding resistance in high soil resistivity regions which need to obtain the accurate values of soil resistivity or thickness parameter. The genetic-pattern searching algorithm is used to obtain the grounding soil parameters. The pattern searching algorithm is utilized for searching the improved path, which is based on the global approximate optimal path obtained by genetic algorithm. Compared with calculated results using the methods from references, this method is proven to be correct and useful in calculation of grounding soil parameters.
Key words: soil structure, nonlinear optimization, pattern searching algorithm, genetic algorithm
王思华,王爱霞. 一种计算变电站接地土壤参数的新算法[J]. 计算机工程与应用, 2012, 48(27): 229-232.
WANG Sihua, WANG Aixia. New algorithm to calculating substation grounding soil parameters[J]. Computer Engineering and Applications, 2012, 48(27): 229-232.
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