{"title":"Decentralized control of interconnected dynamical systems","authors":"A. Ramakrishna, N. Viswanadham","doi":"10.1109/CDC.1980.271855","DOIUrl":null,"url":null,"abstract":"In this paper we consider the decentralized stabilization problem for a class of large systems formed by the dynamic interconnection of several multivariable systems. For this structured class of systems, we establish the conditions under which the interconnected system is controllable and observable. We then simplify and interpret these conditions to obtain simple sufficient conditions in terms of the subsystem and interconnection subsystem coefficient matrices to guarantee controllability. Also, the conditions under which stabilization is possible, using decentralized feedback, are explicitly stated. We then simplify these to obtain subsystem level sufficient conditions. These conditions imply that if the interaction subsystems are stable and, in addition, certain mild restrictions on the subsystems and the interconnections hold, then the large system is stabilizable with decentralized feed-back. Finally, we state the conditions for stabilizing this class of systems via local state feedback.","PeriodicalId":332964,"journal":{"name":"1980 19th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1980-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"39","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1980 19th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CDC.1980.271855","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 39
Abstract
In this paper we consider the decentralized stabilization problem for a class of large systems formed by the dynamic interconnection of several multivariable systems. For this structured class of systems, we establish the conditions under which the interconnected system is controllable and observable. We then simplify and interpret these conditions to obtain simple sufficient conditions in terms of the subsystem and interconnection subsystem coefficient matrices to guarantee controllability. Also, the conditions under which stabilization is possible, using decentralized feedback, are explicitly stated. We then simplify these to obtain subsystem level sufficient conditions. These conditions imply that if the interaction subsystems are stable and, in addition, certain mild restrictions on the subsystems and the interconnections hold, then the large system is stabilizable with decentralized feed-back. Finally, we state the conditions for stabilizing this class of systems via local state feedback.
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