Computer aided process planning system played a key role for integrating design and manufacturing or assembly systems properly considering available resources and design constraints.To take advantage of the enterprise...Computer aided process planning system played a key role for integrating design and manufacturing or assembly systems properly considering available resources and design constraints.To take advantage of the enterprise resource,the web CAPP framework was established.Case based reasoning and multi agent system were integrated in the system.The multi agent mecha-nism was discussed in the paper.And an instance of case base was introduced.They made the system run independently and contin-uously in the network environment of process planning problems.展开更多
鉴于实际生产中工人的能力和加工效率存在差异,本文提出了考虑工人差异性和刀具限制的多资源约束并行机分批调度问题,以最小化最大完工时间、最小化交付时间偏差为优化目标,构建了工人熟练度、刀具资源约束的混合整数线性规划模型,研究...鉴于实际生产中工人的能力和加工效率存在差异,本文提出了考虑工人差异性和刀具限制的多资源约束并行机分批调度问题,以最小化最大完工时间、最小化交付时间偏差为优化目标,构建了工人熟练度、刀具资源约束的混合整数线性规划模型,研究子批数量和大小、机器分配、工人分配、子批加工顺序之间的耦合关系,设计了一种改进的多目标混合灰狼-鲸鱼群算法(manyobjective hybrid grey wolf optimizer and whale swarm algorithm,MO-HGWSA).根据模型特点,设计了一种两阶段编码和解码方案表示问题的可行解;利用多种引导策略提高算法的进化效率;设计了局部搜索策略,增强算法的局部搜索能力.最后引入案例验证算法的有效性,结果表明本文所提算法在收敛性、分布性和解集支配关系方面均优于对比算法.展开更多
文摘Computer aided process planning system played a key role for integrating design and manufacturing or assembly systems properly considering available resources and design constraints.To take advantage of the enterprise resource,the web CAPP framework was established.Case based reasoning and multi agent system were integrated in the system.The multi agent mecha-nism was discussed in the paper.And an instance of case base was introduced.They made the system run independently and contin-uously in the network environment of process planning problems.
文摘鉴于实际生产中工人的能力和加工效率存在差异,本文提出了考虑工人差异性和刀具限制的多资源约束并行机分批调度问题,以最小化最大完工时间、最小化交付时间偏差为优化目标,构建了工人熟练度、刀具资源约束的混合整数线性规划模型,研究子批数量和大小、机器分配、工人分配、子批加工顺序之间的耦合关系,设计了一种改进的多目标混合灰狼-鲸鱼群算法(manyobjective hybrid grey wolf optimizer and whale swarm algorithm,MO-HGWSA).根据模型特点,设计了一种两阶段编码和解码方案表示问题的可行解;利用多种引导策略提高算法的进化效率;设计了局部搜索策略,增强算法的局部搜索能力.最后引入案例验证算法的有效性,结果表明本文所提算法在收敛性、分布性和解集支配关系方面均优于对比算法.
