{"title":"Optimal sensor choice for observability in free-choice Petri nets","authors":"L. Aguirre-Salas, O. Begovich, A. Ramírez-Treviño","doi":"10.1109/ISIC.2001.971520","DOIUrl":null,"url":null,"abstract":"This paper studies the optimal sensor choice for observability problem in discrete event systems (DES) modeled by interpreted free-choice Petri nets (IFCN). Taking advantage of the fact that, event-detectability is a necessary and sufficient condition for observability in live, cyclic and bounded IFCN, a structural characterization of event-detectability and a simple polynomial algorithm to choose a minimal cost sensor configuration for observability in this claw of nets are provided. This algorithm is successfully applied to an illustrative example.","PeriodicalId":367430,"journal":{"name":"Proceeding of the 2001 IEEE International Symposium on Intelligent Control (ISIC '01) (Cat. No.01CH37206)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceeding of the 2001 IEEE International Symposium on Intelligent Control (ISIC '01) (Cat. No.01CH37206)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISIC.2001.971520","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
This paper studies the optimal sensor choice for observability problem in discrete event systems (DES) modeled by interpreted free-choice Petri nets (IFCN). Taking advantage of the fact that, event-detectability is a necessary and sufficient condition for observability in live, cyclic and bounded IFCN, a structural characterization of event-detectability and a simple polynomial algorithm to choose a minimal cost sensor configuration for observability in this claw of nets are provided. This algorithm is successfully applied to an illustrative example.
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