Under What Conditions Does a Digital Shadow Track a Periodic Linear Physical System?
Authors: 
Hao Feng, Cláudio Gomes, Michael Sandberg, Hugo Daniel Macedo, Peter Gorm LarsenAuthors Info & Claims
Pages 143 - 155
Abstract
The synchronization between a Digital Shadow (DS) and a Cyber-Physical System (CPS) is paramount to enable anomaly detection, predictive maintenance, what-if analysis, etc. Such synchronization means that a simulation reflects, as closely as possible, the states of the CPS. The simulation however, requires the complete initial state of the system to be known, which is often infeasible in real applications. In our work, we study the conditions under which knowing the initial state of the system is irrelevant for a simulation to eventually synchronize with the CPS. We apply traditional stability analysis to answer this question for linear periodic systems. We demonstrate the method using a simple but representative system, an incubator with a periodic control signal.
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Information
Published In
Dec 2021
354 pages
ISBN:978-3-031-12428-0
DOI:10.1007/978-3-031-12429-7
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2022.
Publisher
Springer-Verlag
Berlin, Heidelberg
Publication History
Published: 06 December 2021
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