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基于改进免疫遗传算法的交通信号优化控制*

, PP. 331-337

Keywords: 免疫遗传,免疫应答,四相位,配时优化

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Abstract:

阐述免疫遗传学的基本原理,对传统免疫遗传算法做了改进.模拟抗体两次应答抗原的机理,引入信息熵计算抗原间的亲和力,选择亲和力高且相似度低的抗体遗传到后代,运用细胞记忆机制保存优良抗体,并令记忆细胞参与进化,避免算法陷入局部最优值.在此基础上,提出一种更新的相位配时优化算法对交通信号控制问题进行探讨,并设计相应的仿真实验.对一个四相位单交叉路口的交通流进行建模和分析,实验结果验证该算法处理交通配时优化问题的可行性和有效性.

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