期刊
SCIENCE IN CHINA SERIES F-INFORMATION SCIENCES
卷 50, 期 4, 页码 625-635出版社
SCIENCE PRESS
DOI: 10.1007/s11432-007-0044-3
关键词
consensus problems; time-delays; communication topologies; multiagent system decomposition
In this paper, consensus problems in discrete-time multiagent systems with timeinvariant delays are considered. In order to characterize the structures of communication topologies, the concept of pre-leader-fol lower decomposition is introduced. Then, a necessary and sufficient condition for state consensus is established. By this method, consensus problems in networks with a single time-delay, as well as with multiple time-delays, are studied, and some necessary and sufficient conditions for solvability of consensus problems are obtained.
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