129673 20240731103351.0 doi 10.1109/LCSYS.2023.3289483 sideral 135893 ART-2023-135893 eng Sebastián, Eduardo Universidad de Zaragoza (orcid)0000-0001-9671-4056 Accelerated Multi-Stage Discrete Time Dynamic Average Consensus 2023 Access copy available to the general public Unrestricted This letter presents a novel solution for the discrete time dynamic average consensus problem. Given a set of time-varying input signals over the nodes of an undirected graph, the proposed algorithm tracks, at each node, the input signals’ average. The algorithm is based on a sequence of consensus stages combined with a second order diffusive protocol. The former overcomes the need of k-th order differences of the inputs and conservation of the network state average, while the latter overcomes the trade-off between speed and accuracy of the consensus stages by just storing the previous estimate at each node. The result is a protocol that is fast, arbitrarily accurate, and robust against input noises and initializations. The protocol is extended to an asynchronous and randomized version that follows a gossiping scheme that is robust against potential delays and packet losses. We study the convergence properties of the algorithms and validate them via simulations. info:eu-repo/semantics/openAccess All rights reserved http://www.europeana.eu/rights/rr-f/ 1.597 2023 Control and Systems Engineering 2023 Q1 Control and Optimization 2023 Q1 4.4 2023 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Montijano, Eduardo Universidad de Zaragoza (orcid)0000-0002-5176-3767 Sagüés, Carlos Universidad de Zaragoza (orcid)0000-0002-3032-954X Franceschelli, Mauro Gasparri, Andrea 5007 520 Universidad de Zaragoza Dpto. Informát.Ingenie.Sistms. Área Ingen.Sistemas y Automát. 7 (2023), 2731-2736 IEEE Control Systems Letters 2475-1456 654572 http://zaguan.unizar.es/record/129673/files/texto_completo.pdf Postprint 3377435 http://zaguan.unizar.es/record/129673/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:129673 articulos driver 2024-07-31-09:54:38 ARTICLE