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http://hdl.handle.net/10119/13473
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タイトル: | Efficient Temporal and Spatial Data Recovery Scheme for Stochastic and Incomplete Feedback Data of Cyber-physical Systems |
著者: | NOWER, Naushin TAN, Yasuo LIM, Azman Osman |
キーワード: | cyber-physical system data recovery scheme stochastic data temporal correlation spatial correlation auto regressive integrated moving average |
発行日: | 2014-04 |
出版者: | Institute of Electrical and Electronics Engineers (IEEE) |
誌名: | 2014 IEEE 8th International Symposium on Service Oriented System Engineering (SOSE) |
開始ページ: | 192 |
終了ページ: | 197 |
DOI: | 10.1109/SOSE.2014.29 |
抄録: | Feedback loss can severely degrade the overall system performance, in addition, it can affect the control and computation of the Cyber-physical Systems (CPS). CPS hold enormous potential for a wide range of emerging applications including stochastic and time-critical traffic patterns. Stochastic data has a randomness in its nature which make a great challenge to maintain the real-time control whenever the data is lost. In this paper, we propose a data recovery scheme, called the Efficient Temporal and Spatial Data Recovery (ETSDR) scheme for stochastic incomplete feedback of CPS. In this scheme, we identify the temporal model based on the traffic patterns and consider the spatial effect of the nearest neighbor. Numerical results reveal that the proposed ETSDR outperforms both the weighted prediction (WP) and the exponentially weighted moving average (EWMA) algorithm regardless of the increment percentage of missing data in terms of the root mean square error, the mean absolute error, and the integral of absolute error. |
Rights: | This is the author's version of the work. Copyright (C) 2014 IEEE. 2014 IEEE 8th International Symposium on Service Oriented System Engineering (SOSE), 2014, 192-197. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
URI: | http://hdl.handle.net/10119/13473 |
資料タイプ: | author |
出現コレクション: | b11-1. 会議発表論文・発表資料 (Conference Papers)
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