耦合任务的重叠执行问题研究

• 论文 •

耦合任务的重叠执行问题研究

王志亮，张友良

1.南京工程学院机械工程系，江苏南京 210013；2.南京理工大学机械工程学院CIMS研究所，江苏南京 210094

收稿日期:2005-03-16 修回日期:2005-12-06 出版日期:2006-06-15 发布日期:2006-06-25
基金资助:
江苏省自然科学基金资助项目(BK2001058)；国防科技重点实验室基金资助项目(51458050103BQ0203)；南京工程学院博士基金资助项目(12110600001)。

Research on overlapping of coupled activities

WANG Zhi-liang,ZHANG You-liang

1.Dep. of Mechanical Eng., Nanjing Inst. of Tech., Nanjing 210013, China; 2.CIMS Research Cent., Sch. of Mechanical Eng., Nanjing Univ. of S & T, Nanjing 210094, China

Received:2005-03-16 Revised:2005-12-06 Online:2006-06-15 Published:2006-06-25
Supported by:
Project supported by the Natural Science Foundation of Jiangsu Province,China(No.BK2001058),the Key Lab Foundation of National Defense Science and Technology,China(No.51458050103BQ0203)and the Ph.D Foundation of Nanjing Institute of Technology,China(No.12110600001).

摘要/Abstract

摘要： 耦合任务的重叠执行是复杂产品实施并行工程的一种重要方式。基于任务间信息耦合关系所产生的迭代设计过程，提出了名义信息进化度与有效信息进化度，构造了一个非稳态泊松过程来描述任务间的信息交流，用返工可能性矩阵分析了迭代求解产生的原因及实现过程。在此基础上，提出了产品开发时间与开发成本的计算模型，证明了耦合任务的重叠执行在缩短产品开发时间的同时增加了产品的开发成本，并通过实例验证了该结论的正确性。

关键词: 并行工程, 产品开发, 重叠方式, 耦合任务, 信息进化, 迭代

Abstract: Overlapping the coupled activities is an important strategy to implement concurrent engineering in complex product development process. The nominal information evolution and valid information evolution were presented based on iterative design process caused by information interdependence among activities. And then a non-stationary Poisson process was constructed to describe information transfer between upstream activity and downstream activity. Based on this, the cause and implementation process of iterative solution were analyzed by rework probability design structure matrix. Next, an algorithm for product development time and cost under the strategy of overlapping the coupled activities was set up, and it was proved that overlapping the coupled activities could trade-off between product development time and cost. Finally, an example was given to verify the results.

Key words: concurrent engineering, product development, overlapping, coupled activities, information evolution, iteration

中图分类号:

TP391
TH166

王志亮，张友良. 耦合任务的重叠执行问题研究[J]. .

WANG Zhi-liang,ZHANG You-liang. Research on overlapping of coupled activities[J]. .

参考文献

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