Article (Scientific journals)
State estimation of the time-space propagation of COVID-19 using a distributed parameter observer based on a SEIR-type model.
Tello, Ivan F Y; Vande wouwer, Alain; Coutinho Daniel
2022In Journal of Process Control, 118, p. 231 - 241
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Keywords :
Epidemiological models; Linear matrix inequalities; Observer; State estimation; Sum of squares; Distributed-parameter; Epidemiological modeling; Linear matrix in equalities; Observer-based; Real-time estimation; Real-time prediction; Space propagation; Sums of squares; Time-space; Control and Systems Engineering; Modeling and Simulation; Computer Science Applications; Industrial and Manufacturing Engineering
Abstract :
[en] The real-time prediction and estimation of the spread of diseases, such as COVID-19 is of paramount importance as evidenced by the recent pandemic. This work is concerned with the distributed parameter estimation of the time-space propagation of such diseases using a diffusion-reaction epidemiological model of the susceptible-exposed-infected-recovered (SEIR) type. State estimation is based on continuous measurements of the number of infections and deaths per unit of time and of the host spatial domain. The observer design method is based on positive definite matrices to parameterize a class of Lyapunov functionals, in order to stabilize the estimation error dynamics. Thus, the stability conditions can be expressed as a set of matrix inequality constraints which can be solved numerically using sum of squares (SOS) and standard semi-definite programming (SDP) tools. The observer performance is analyzed based on a simplified case study corresponding to the situation in France in March 2020 and shows promising results.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Tello, Ivan F Y ;  Universidad Tecnológica del Perú, Lima, Perú ; Department of Engineering, Mechatronics Section, Pontificia Universidad Católica del Perú, Lima, Perú
Vande wouwer, Alain   ;  Université de Mons - UMONS > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation
Coutinho Daniel;  Federal University of Santa Catarina, Brazil > Postgraduate Program in Engineering of Automation and Systems
 These authors have contributed equally to this work.
Language :
English
Title :
State estimation of the time-space propagation of COVID-19 using a distributed parameter observer based on a SEIR-type model.
Publication date :
October 2022
Journal title :
Journal of Process Control
ISSN :
0959-1524
Publisher :
Elsevier Ltd, England
Volume :
118
Pages :
231 - 241
Peer reviewed :
Peer Reviewed verified by ORBi
Research institute :
R100 - Institut des Biosciences
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