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弹道学报  2014 

基于改进遗传算法的电磁轨道炮电源时序优化

Keywords: 电磁轨道炮,放电时序,脉冲电源,遗传算法

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Abstract:

针对电磁轨道炮电流波形平稳性的特殊要求,提出了一种基于改进遗传算法的电源时序优化方法。根据脉冲电源时序放电的特点,将电磁轨道炮的工作过程分成相互关联的多个阶段,采用多阶段优化策略。各阶段运用引入了精英保留、自适应变异和交叉3种策略共同作用的改进遗传算法产生新种群,克服早熟及收敛速度慢的缺陷;优化过程中逐步动态更新缩小设计变量的搜索空间,以进一步提高搜索能力。以使用金属电枢的电磁轨道炮多个脉冲电源时序设计为例进行分析比较,结果表明,该方法不但增强了搜索能力,改善了求解的质量,而且电流波形非常平稳,提高了优化结果的实用性,是确定电磁轨道炮脉冲电源时序的一种有效方法。

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