Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 48, Issue 8, Pages 2437-2448Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2017.2740309
Keywords
Coding-decoding; detectability analysis; dynamical networks; input-to-state stability (ISS); packet dropouts; synchronization control
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Funding
- Royal Society of the U.K.
- National Natural Science Foundation of China [61329301, 61374039]
- Australian Research Council [DP160103567]
- Program for Capability Construction of Shanghai Provincial Universities [15550502500]
- Alexander von Humboldt Foundation of Germany
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The synchronization control problem is investigated for a class of discrete-time dynamical networks with packet dropouts via a coding-decoding-based approach. The data is transmitted through digital communication channels and only the sequence of finite coded signals is sent to the controller. A series of mutually independent Bernoulli distributed random variables is utilized to model the packet dropout phenomenon occurring in the transmissions of coded signals. The purpose of the addressed synchronization control problem is to design a suitable coding-decoding procedure for each node, based on which an efficient decoder-based control protocol is developed to guarantee that the closed-loop network achieves the desired synchronization performance. By applying a modified uniform quantization approach and the Kronecker product technique, criteria for ensuring the detectability of the dynamical network are established by means of the size of the coding alphabet, the coding period and the probability information of packet dropouts. Subsequently, by resorting to the input-to-state stability theory, the desired controller parameter is obtained in terms of the solutions to a certain set of inequality constraints which can be solved effectively via available software packages. Finally, two simulation examples are provided to demonstrate the effectiveness of the obtained results.
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