柔性制造系统中混惑检测及控制

发布时间：2018-04-28 19:51

本文选题：Petri网 + 柔性制造系统　；参考：《小型微型计算机系统》2017年04期

【摘要】：并发和冲突在柔性制造系统中是普遍存在的,当并发和冲突混合在一起时,使人无法从系统可达图相同的终态观测到是否有冲突发生过,系统的这一特征称为混惑,存在混惑的系统不是一个好的系统,不便于对系统施加外部控制.为了解决这一问题,本文首先分析了存在混惑的柔性制造系统在结构上存在的关系,提出了基于关联矩阵的混惑结构检测方法;然后,提出基于广义互斥约束的监控器构造方法,并把设计的监控器,预先施加在每个混惑子网上,在系统运行过程中,混惑子网出现混惑导致冲突时,监控器有效,进行混惑控制.最后,通过一个柔性制造系统实例对提出的混惑检测方法及控制策略进行仿真,以验证所提方法的正确性和有效性.
[Abstract]:Concurrency and conflict are common in FMS. When concurrency and conflict are mixed together, it is impossible to observe whether there has ever been a conflict from the same final state of Datuk in the system. This characteristic of the system is called confusion. A system with confusion is not a good system and is not easy to impose external control on the system. In order to solve this problem, this paper first analyzes the relationship between the structure of the flexible manufacturing system with confusion, and proposes a method based on correlation matrix to detect the confusion structure. In this paper, a method of constructing monitor based on generalized mutex constraint is proposed, and the designed monitor is applied to each confused subnet in advance. In the process of system running, the monitor is effective and can control the confusion when the confused subnet appears confusion and leads to the conflict. Finally, an example of flexible manufacturing system is given to simulate the proposed method and control strategy to verify the correctness and effectiveness of the proposed method.
【作者单位】：华侨大学计算机科学与技术学院;新泽西理工学院电子与计算机工程系;
【基金】：国家自然科学基金培育计划专项基金项目(J-ZR1130)资助;国家自然科学基金项目(60473030)资助华侨大学科技创新团队和领军人才支持计划项目网络信息安全(2014KJTD13)资助;华侨大学研究生科研创新能力培育计划项目(1400214018)资助
【分类号】：TH165;TP301.1

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