{"title":"模糊定时DES的状态不确定性分析","authors":"Juan Carlos González-Castolo, E. López-Mellado","doi":"10.1109/CASE.2011.6042418","DOIUrl":null,"url":null,"abstract":"This paper addresses state estimation of discrete event systems (DES) exhibiting variations on the duration of activities; the system state is approximated by the marking of Fuzzy Timed Petri Net (FTPN) models. For this purpose a definition of FTPN is presented in which fuzzy sets associated to places represent the ending time uncertainty of activities. A fuzzy marking matrix equation is proposed, allowing computing the marking evolution of cyclic FTPN. Finally, the uncertainty of the estimated marking is evaluated as a measure of quality on the approximation.","PeriodicalId":236208,"journal":{"name":"2011 IEEE International Conference on Automation Science and Engineering","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"State uncertainty analysis of Fuzzy Timed DES\",\"authors\":\"Juan Carlos González-Castolo, E. López-Mellado\",\"doi\":\"10.1109/CASE.2011.6042418\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper addresses state estimation of discrete event systems (DES) exhibiting variations on the duration of activities; the system state is approximated by the marking of Fuzzy Timed Petri Net (FTPN) models. For this purpose a definition of FTPN is presented in which fuzzy sets associated to places represent the ending time uncertainty of activities. A fuzzy marking matrix equation is proposed, allowing computing the marking evolution of cyclic FTPN. Finally, the uncertainty of the estimated marking is evaluated as a measure of quality on the approximation.\",\"PeriodicalId\":236208,\"journal\":{\"name\":\"2011 IEEE International Conference on Automation Science and Engineering\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-10-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE International Conference on Automation Science and Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CASE.2011.6042418\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE International Conference on Automation Science and Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CASE.2011.6042418","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper addresses state estimation of discrete event systems (DES) exhibiting variations on the duration of activities; the system state is approximated by the marking of Fuzzy Timed Petri Net (FTPN) models. For this purpose a definition of FTPN is presented in which fuzzy sets associated to places represent the ending time uncertainty of activities. A fuzzy marking matrix equation is proposed, allowing computing the marking evolution of cyclic FTPN. Finally, the uncertainty of the estimated marking is evaluated as a measure of quality on the approximation.
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