两阶段滚齿工艺相似实例检索方法
首发时间:2014-10-31
摘要:为了提高滚齿工艺相似实例检索过程中检索的效率和准确性,本文提出了两阶段滚齿工艺相似实例检索方法,首先用物元模型描述工艺实例,用图论工具建立工艺实例网络,用数据库存储工艺实例;接着制定检索规则;最后运用表达式驱动的方法进行滚齿工艺实例一阶段检索,得到候选决策实例,运用工艺实例网络进行滚齿工艺实例二阶段检索,得到优选决策实例。实验结果表明,该方法是可行和有效的。
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Two-stage Retrieval Method of Similar Process Case of Gear Hobbing
Abstract:To improve the retrieval efficiency and veracity in the process of similar process case retrieval of gear hobbing, two-stage retrieval method of similar process case of gear hobbing was proposed. Matter-element model was used to describe process case. Graph theory was applied to build process case network. Database was sent to store process case. Retrieval rules were formulated. The first stage retrieval of process case of gear hobbing was done by expressions method. Candidate decision cases were got.The second stage was carried out by using process case network. Optimization decision cases were obtained.The feasibility and effectiveness of the proposed method was validated by experiment.
Keywords: Gear hobbing two-stage similar process case retrieval matter-element model graph theory
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