On the stability and control of discrete linear systems with clock synchronization errors

Przedwojski, Marek, Galkowski, Krzysztof, Bauer, Peter and Rogers, Eric (2011) On the stability and control of discrete linear systems with clock synchronization errors. International Journal of Control, 84, (9), 1491-1499. (doi:10.1080/00207179.2011.604164).


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This paper considers discrete linear time-invariant systems that can be decomposed into subsystems whose states are synchronized by a common clock whose signal reaches them with delays. In particular, stability for the case where all subsystems have the same sampling frequency, but different switching times, is investigated. In contrast to previous work, the approach taken here models the set of system matrices that arise using a polytopic uncertainty approach, which has seen extensive application in robust control theory for linear systems. Stabilization is then achieved by state feedback and a method to handle the combinatorial explosion of the number of polytope vertices is developed and illustrated using an example from swarm system navigation.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1080/00207179.2011.604164
ISSNs: 0020-7179 (print)
1366-5820 (electronic)
Keywords: synchronisation errors, stability, control, detection
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Southampton Wireless Group
ePrint ID: 272544
Accepted Date and Publication Date:
23 September 2011Made publicly available
Date Deposited: 07 Jul 2011 10:03
Last Modified: 31 Mar 2016 14:21
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/272544

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