Observer-based networked control with probabilistic interval input delays |
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Authors: | Shenquan Wang Jian Feng Qing Zhao Yulian Jiang |
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Affiliation: | 1. School of Information Science and Engineering, Northeastern University, Shenyang, 110819, China 2. Department of Electrical and Computer Engineering, University of Alberta, Edmonton, T6G2V4, Canada
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Abstract: | In this paper, the problem of observer-based control is investigated for networked control systems (NCSs) with probabilistic interval distribution communication delays. In the presence of network-induced delays and packet dropouts in the sensor-to-controller and controller-to-actuator connections, a new model for an observer-based NCS is established, which is then converted to an equivalent linear system with two random time-varying delays satisfying Bernoulli distributions. By utilizing information concerning the probability distribution of the delays and by adopting a tighter bounding technique, less conservative asymptotic mean-square stable sufficient conditions are derived in the form of linear matrix inequalities (LMIs). Numerical examples are provided to demonstrate the effectiveness of the proposed method. |
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