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  • 标题:Design of Prediction-Based Estimator for Time-Varying Networks subject to Communication Delays and Missing Data ⁎
  • 本地全文:下载
  • 作者:Jun Hu ; Guo-Ping Liu
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2020
  • 卷号:53
  • 期号:2
  • 页码:1025-1030
  • DOI:10.1016/j.ifacol.2020.12.1283
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractThis paper is concerned with the robust optimal estimation problem based on the prediction compensation mechanism for dynamical networks with time-varying parameters, where communication delays and degraded measurements are considered. The missing measurements are characterized by some random variables governed by Bernoulli distribution, where each sensor having individual missing probability is refected. During the signal transmissions through the communication networks, the network-induced communication delays commonly exist among the adjacent nodes transmissions and a prediction updating method is given to compensate the caused impacts. Accordingly, a time-varying state estimator with hybrid compensation scheme is constructed such that, for both the communication delays and missing measurements, a minimized upper bound matrix with regards to the estimation error covariance matrix is found and an explicit estimator parameter matrix is designed at each sampling step accordingly. Finally, the comparative simulations are given to validate the advantages of main results.
  • 关键词:KeywordsTime-varying dynamical networksPrediction estimationCommunication delaysMissing measurements
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