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基于矩阵编码的CGP电路进化设计

更新时间:2020-06-21 05:25:31 大小:286K 上传用户:守着阳光1985查看TA发布的资源 标签:矩阵编码 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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利用笛卡尔遗传规划进行电路进化设计时,常用的一维向量编码易出现早熟、收敛速度慢等现象,针对该问题,采用基于笛卡尔遗传规划的二维矩阵编码方案对一维向量编码进行改进.研究了连接度与收敛速度、激活节点之间,可编程逻辑单元数与激活节点、收敛速度之间的关系,结果表明,连接度越大,收敛速度快,激活节点数越少;可编程逻辑单元数适当时,进化代数少,但二维矩阵编码收敛速度更快.

Using Cartesian genetic programming for circuit evolutionary design,common one-dimensional vector coding tends to appear premature,slow convergence and so on.To solve this problem,two-dimensional matrix coding scheme based on Cartesian genetic programming is used to improve one-dimensional vector coding.The relationship among the levels-back,the speed of convergence and the activation of nodes,the relationship among the number of programmable logic cells,convergence speed and the activation of nodes are studied.The results prove that the grenter the levels-back,the faster convergence speed and the smaller the mumber of active nodes is.The number of programmable logic cells is appropriate,the number of evolutionary generations is small,but the fewer activatio...

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