Journal
IET CONTROL THEORY AND APPLICATIONS
Volume 9, Issue 3, Pages 320-326Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-cta.2014.0474
Keywords
synchronisation; delay systems; sampled data systems; continuous time systems; directed graphs; synchronised output regulation; heterogeneous networks; sampled-data communications; delayed communications; SOR problem; continuous-time internal model controller; local exosystem; reference output signal; neighbouring nodes; exosystem dynamics; received sampled data; sufficient condition; necessary condition; fixed digraph; time delay; numerical simulation
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Funding
- National 863 Program of China [2011AA050204]
- National Natural Science Foundation of China [61104149, 61374174]
- Zhejiang Province Natural Science Fund [LY13F030001, LY14F030003]
- Program for New Century Excellent Talents in University [NCET-11-0459]
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This article studies a synchronised output regulation (SOR) problem exchanging information at sampled time. Each node has a continuous-time internal model controller and a local exosystem providing a reference output signal. At sampled time, each node sends the exosystem state to its neighbouring nodes, as well as updates the exosystem dynamics by the received sampled data. A necessary and sufficient condition that the sampled period should satisfy for SOR with fixed digraph and time delay is presented. A numerical simulation shows an efficacy of analytic results.
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