期刊
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
卷 65, 期 10, 页码 3481-3491出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSI.2018.2815269
关键词
Genetic regulatory networks; H-infinity state estimation; finite-time state estimation; time-varying delays; stochastic communication protocols
资金
- Research Fund for the Taishan Scholar Project of Shandong Province of China
- National Natural Science Foundation of China [61673356]
- Hubei Provincial Natural Science Foundation of China [2015CFA010]
- 111 Project of China [B17040]
- Alexander von Humboldt Foundation of Germany
This paper investigates the problem of finite-time H-infinity state estimation for discrete time-delayed genetic regulatory networks under stochastic communication protocols (SCPs). The network measurements are transmitted from two groups of sensors to a remote state estimator via two independent communication channels of limited bandwidths, and two SCPs are utilized to orchestrate the transmission orders of sensor nodes with aim to avoid data collisions. The estimation error dynamics is modeled by a Markovian switching system with two switching signals. By constructing a transmission-orderdependent Lyapunov-Krasovskii functional and utilizing an up-to-date discrete Wirtinger-based inequality together with the reciprocally convex approach, sufficient conditions are established to guarantee the stochastic finite-time boundedness for the estimation error dynamics with a prescribed H-infinity disturbance attenuation level. The parameters of the state estimator are designed by solving a convex optimization problem which minimizes the disturbance attenuation level subject to several inequality constraints. The repressilator model is utilized to illustrate the effectiveness of the design procedure of the proposed state estimator.
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