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改进的遗传算法应用于电控蓄压式喷油系统

Keywords: 数字仿真,遗传算法,电控蓄压式喷油系统

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Abstract:

为了使柴油机电控蓄压式喷油系统达到最理想的喷油效果,需要对其重要参数(结构参数和运行参数)进行优化设计,其中涉及到的参数多而且参数之间存在着复杂的耦合关系.在柴油机电控蓄压式喷油系统的参数优化设计过程中,以其工作过程的数字仿真为前提,在简单遗传算法的基础上,采用了几种改进的遗传算法对参数进行优化.对各种改进遗传算法的参数优化过程进行了全面的、简要的说明.由优化结果可知,就达到最大适应度的累积个体数来看,自适应遗传算法比简单遗传算法多355个最优个体,自适应及最优保留策略的遗传算法比简单遗传算法多392个最优个体,重复交叉及最优保留策略的遗传算法比简单遗传算法多397个最优个体.

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