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无重访遗传算法及其在输电网络规划中的应用

, PP. 110-117

Keywords: 电力系统,输电网络规划,无重访,空间二叉分割

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Abstract:

将无重访的遗传算法(non-revisitinggeneticalgorithm,NrGA)应用于求解输电网络规划问题。NrGA通过空间二叉分割(binaryspacepartitioning,BSP)和相应的二叉分割树(BSPtree)数据结构对遗传算法搜索过的历史位置进行记录,能够快速检测遗传操作产生的新解是否在BSPtree的历史存档中,对历史存档中已有的新解使用基于BSP的自适应变异机制进行操作,实现遗传算法的无重访搜索。此外,针对输电网络规划问题的具体特点,从编码、交叉、惩罚方法等方面对算法进行改进。最后通过一个典型算例对所提出的方法进行验证。与普通遗传算法相比,NrGA算法具有参数设定区间宽泛、收敛到最优解的概率高等多方面的优势。

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