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具有不可靠资源柔性制造系统的鲁棒控制器设计 被引量:2

Design of robust controllers for flexible manufacturing systems with multiple unreliable resources
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摘要 如果柔性制造系统包含不可靠资源,则在对系统进行控制器设计时,不仅要考虑由于资源分配不合理带来的死锁现象,还要考虑不可靠资源发生损坏带来的堵塞现象.对此,首先利用Petri网对具有不可靠资源的柔性制造系统进行建模,结合Petri网图形结构(资源变迁回路),模拟系统中的死锁和堵塞现象;然后,利用有效变迁覆盖的概念,为系统设计一种结构简单、鲁棒性强的Petri网控制器;最后,利用两个例子验证所设计控制器的有效性. For flexible manufacturing systems(FMSs) with multiple unreliable resources,both deadlocks due to unreasonable resource allocations and blockings caused by the failure of unreliable resources are considered when designing controllers.Firstly,Petri nets are utilized to model the above systems,and resource transition circuits,a kind of graphical structures of Petri nets,are used to characterize the deadlocks and blockings of the systems.Then based on the concept of effective transition covers,a Petri nets controller is synthesized with small sizes and strong robustness.Finally,two examples are utilized to illustrate the effectiveness of the proposed robust controller.
作者 刘慧霞 李俊红 王红梅 张雷 LIU Hui-xia;LI Jun-hong;WANG Hong-mei;ZHANG Lei(School of Electrical Engineering,Nantong University,Nantong 226019,China)
出处 《控制与决策》 EI CSCD 北大核心 2022年第8期2040-2048,共9页 Control and Decision
基金 山东省自然科学基金面上项目(ZR2018MF024) 国家自然科学基金项目(61973176,41901269) 江苏省自然科学基金项目(BK20200969) 南通市基础科学研究项目(JC2021203) 江苏省“双创博士”项目(JSSCBS20211103)。
关键词 柔性制造系统 死锁 堵塞 鲁棒控制器 不可靠资源 flexible manufacturing systems deadlock blocking robust controllers unreliable resources
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