最后，通过离散动态规划形成虚拟制造单元的生产作业调度次优可行方案。
Finally the static schedule in each virtual manufacturing cell is generated with discrete dynamic programming.
在虚拟制造单元可重构的环境下，制造资源选择策略是决定制造系统生产性能的关键因素之一。
Resource selection strategy is one of the key factors in deciding the productivity of a manufacture system.
在深入分析产品虚拟制造全过程的基础上，提出了基于产品定义单元(pdu)的虚拟产品模型框架。
After analyzing the whole processes of Virtual Manufacturing (VM), a new model framework for mechanical products is proposed, which is based on product definition unit (PDU).
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