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遗传算法在离散变量优化问题中的应用研究 被引量:11
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作者 何大阔 王福利 毛志忠 《系统仿真学报》 EI CAS CSCD 北大核心 2006年第5期1154-1156,共3页
针对实际应用中大量存在的离散变量优化设计问题,研究了利用一般连续变量方法进行离散变量优化设计的不足。结合离散变量优化问题与遗传算法的特点,提出离散交叉算子和离散变异算子,使遗传算子真正在离散空间中进行搜索。基于线性搜索... 针对实际应用中大量存在的离散变量优化设计问题,研究了利用一般连续变量方法进行离散变量优化设计的不足。结合离散变量优化问题与遗传算法的特点,提出离散交叉算子和离散变异算子,使遗传算子真正在离散空间中进行搜索。基于线性搜索思想提出离散引导算子以提高遗传算法的局部寻优能力,将种群逐步向离散极值点进行引导,实现算法的快速离散寻优。通过对两个实际离散变量优化设计问题的应用研究,验证了本方法解决离散变量优化设计问题的有效性。 展开更多
关键词 离散变量 遗传算法 离散交叉算子 离散变异算子 引导算子
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Simultaneous scheduling of machines and automated guided vehicles in flexible manufacturing systems using genetic algorithms 被引量:5
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作者 I.A.Chaudhry S.Mahmood M.Shami 《Journal of Central South University》 SCIE EI CAS 2011年第5期1473-1486,共14页
The problem of simultaneous scheduling of machines and vehicles in flexible manufacturing system (FMS) was addressed.A spreadsheet based genetic algorithm (GA) approach was presented to solve the problem.A domain inde... The problem of simultaneous scheduling of machines and vehicles in flexible manufacturing system (FMS) was addressed.A spreadsheet based genetic algorithm (GA) approach was presented to solve the problem.A domain independent general purpose GA was used,which was an add-in to the spreadsheet software.An adaptation of the propritary GA software was demonstrated to the problem of minimizing the total completion time or makespan for simultaneous scheduling of machines and vehicles in flexible manufacturing systems.Computational results are presented for a benchmark with 82 test problems,which have been constructed by other researchers.The achieved results are comparable to the previous approaches.The proposed approach can be also applied to other problems or objective functions without changing the GA routine or the spreadsheet model. 展开更多
关键词 automated guided vehicles (AGVs) SCHEDULING JOB-SHOP genetic algorithms flexible manufacturing system (FMS) SPREADSHEET
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