北京航空航天大学学报 ›› 2011, Vol. 37 ›› Issue (6): 711-716.

• 论文 • 上一篇    下一篇

协同维修过程的合成Petri网建模与分析

杨元1, 黎放1, 侯重远2, 杨磊3   

  1. 1. 海军工程大学 管理工程系, 武汉 430033;
    2. 海军工程大学 电气工程学院, 武汉 430033;
    3. 华中科技大学 机械科学与工程学院, 武汉 430074
  • 收稿日期:2010-09-10 出版日期:2011-06-30 发布日期:2011-07-05
  • 作者简介:杨 元(1982-),女,湖北洪湖人,博士生,yyuan200581@126.com.
  • 基金资助:

    总装备部技术基础课题资助项目(4314231428);海军工程大学基金资助项目(HGDSK2008E27)

Modeling and analysis of collaborative maintenance process based on synthesis of Petri net

Yang Yuan1, Li Fang1, Hou Chongyuan2, Yang Lei3   

  1. 1. Department of Management Science, Naval University of Engineering, Wuhan 430033, China;
    2. College of Electric and Information Engineering, Naval University of Engineering, Wuhan 430033, China;
    3. College of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2010-09-10 Online:2011-06-30 Published:2011-07-05

摘要: 针对协同维修过程中共享资源约束、工序衔接时机和维修工时不确定3大问题,建立了一种基于合成Petri网的协同维修过程模型.该模型采用三参数的数组来描述不确定维修时间,引入活动图形来描述协同关系和建立共享资源控制网来约束资源派遣次序.给出了协同维修过程合成Petri网构造算法.解决了协同维修过程分析中3大难点,合理表述了协同维修活动依赖关系,实现了对协同维修过程的规范化描述.实例分析表明该模型能够帮助维修工程部门预测维修完工时间和把握工序衔接的时机,并提出共享资源优化配置的建议.

Abstract: To deal with some classical characteristics and problems during collaborative maintenance process such as shared resource constraints, complicated handover about maintenance tasks and uncertain maintaining time, a method based on synthesis Petri net for modeling collaborative maintenance process was put forward. The three parametric array was applied to depict fuzzy maintenance time. Activity graphic ideas was introduced to describe interface information about collaborative units. The dispatching rule about shared resource was utilized to form a control net to avoid the conflict with limited resources. The construction algorithm of the synthesis Petri net for the collaborative maintenance process was shown. This method can solve the three major difficulties of the collaborative maintenance process analysis and give a reasonable interpretation on the dependency relationship of collaborative maintenance activities. The model is constructed which can be conducive to achieve the standardized description of the collaborative maintenance process. The example shows that the model is effective to predict completion time of collaborative maintenance and grasp the timing about handover of maintenance tasks and give the proposal of the optimal allocation on shared resources.

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