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基于GIS和遗传-粒子群的公路智能选线方法

, PP. 39-45

Keywords: 道路工程,公路平面线形,智能选线方法,遗传-粒子群混合算法

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Abstract:

为克服现有路线优化方法难以用于生产实践的缺点,提出了一种基于GIS(地理信息系统)和遗传-粒子群混合算法的方法,以辅助路线平面方案的选择。该方法以AutoCADMap为平台,直接支持DWG格式地形图,实时获取路线所经区域的空间信息,为方案决策提供依据;优化算法采用一种遗传-粒子群优化算法,该算法在基本粒子群算法中加入遗传算法的交叉、变异算子,综合了遗传算法和粒子群优化算法的优点。数字试验的结果表明该算法能很快收敛到最优解,达到最优解迭代次数为35次左右;该方法具备较好的寻优性能,适用于公路智能选线的实践。

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