面向精度的分段车间关键工序识别方法及应用
Accuracy-oriented block workshop key process identification method and application
投稿时间:2019-05-23  修订日期:2019-09-25
DOI:
中文关键词:  工序模型  图论  关键度  
英文关键词:process model  graph theory  criticality
基金项目:工信部高技术船舶科研项目(工信部装函[2017]614号-9)
作者单位E-mail
许海生 上海交通大学机械与动力工程学院 18721387959@163.com 
兰凯鹏 上海交通大学机械与动力工程学院  
郑宇 上海交通大学机械与动力工程学院 yuzheng@sjtu.edu.cn 
马彦军 中国船舶工业集团沪东中华造船(集团)有限公司  
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中文摘要:
      为了确定船舶分段车间生产过程中对分段精度尺寸影响最大的关键工序,依据过程管理思想,提出基于三重要素综合考量的船舶分段车间的关键工序识别方法。首先基于图论建立生产车间的工序模型,并从工序节点与分段产品尺寸精度的相关程度、工序节点对其他节点的影响程度、以及工序节点质量水平的3个方面出发提出关键工序识别模型,给出了船舶分段车间工序节点关键度的概念和计算公式,衡量模型中工序节点的关键度。结合某船舶企业的平面分段生产车间,说明该方法的具体实现过程。应用结果表明该方法能够有效地识别车间生产过程中的关键工序,为分段车间质量管理实现对工序的重点监控与改进提供可靠的支持。
英文摘要:
      In order to determine the key processes that have the greatest impact on the block accuracy during the production process of the ship block workshop, according to the process management idea, the key process identification method based on the three important considerations of the ship block workshop is proposed. Firstly, based on the graph theory, the process model of the production workshop is established, and the key process identification model is proposed from three aspects: the degree of correlation between the process node and the dimensional accuracy of the segmented product, the degree of influence of the process node on other nodes, and the quality level of the process node. The concept and calculation formula of the criticality of the process node of the ship block workshop are given, and the criticality of the process nodes in the model is measured. Combined with the plane block production workshop of a ship enterprise, the specific implementation process of the method is illustrated. The application results show that the method can effectively identify the key processes in the production process of the workshop, and provide reliable support for the quality monitoring of the block workshop to achieve key monitoring and improvement of the process.
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