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Title:	Distributed zonotopic set-membership state estimation based on optimization methods with partial projection
Author:	Álamo Cantarero, Teodoro; Wang, Ye; Puig Cayuela, Vicenç; Cembrano Gennari, Gabriela
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Institut de Robòtica i Informàtica Industrial; Universitat Politècnica de Catalunya. SAC - Sistemes Avançats de Control
Abstract:	A distributed set-membership approach is proposed for the state estimation of large-scale systems. The uncertain system states are bounded in a sequence of the distributed set-membership estimators considering unknown-but-bounded system disturbances and measurement noise. In the framework of the set-membership approach, the measurement consistency test is implemented by finding parameterized intersection zonotopes. The size of the intersection zonotope is minimized by solving an optimization problem including a sequence of linear/bilinear matrix inequalities based on the weighted 2-norm criterion of the generator matrix. Meanwhile, for the distributed set-membership estimators, the partial projection method is considered to correct the estimation of the neighbor state. On the other hand, an on-line method is also provided. Finally, the proposed distributed set-membership approach is verified in a case study based on a urban drainage network.
Subject(s):	-Àrees temàtiques de la UPC::Informàtica -Process control -Fault-tolerant computing -Distributed set-membership approach -large-scale systems -partial projection method -state estimation -urban drainage networks -zonotopes -Control de processos -Tolerància als errors (Informàtica) -Drenatge urbà
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Published version Article
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