期刊
INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
卷 44, 期 10, 页码 1843-1856出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207721.2012.670296
关键词
practical consensus; swarm system; external disturbance; time-varying delay; interaction uncertainty
类别
资金
- National Natural Science Foundation of China [61174067, 60736024]
Practical consensus problems for general high-order linear time-invariant swarm systems with interaction uncertainties and time-varying external disturbances on directed graphs are investigated in this article. A dynamic consensus protocol with non-uniform time-varying delays is adopted to deal with the practical consensus problem. Using state space decomposition, practical consensus problems of a swarm system are converted into stability problems of a disagreement subsystem. Based on the Lyapunov-Krasovskii functional approach and the linear matrix inequality technique, sufficient conditions for swarm systems to achieve practical consensus are proposed where the time-varying external disturbance can be in L-2 or L. Numerical simulations are presented to demonstrate theoretical results.
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