A Multi-agent System for Outliers Accommodation in Wireless Sensor Networks

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Abstract

In monitoring applications the accuracy of data is paramount. When considering wireless sensor networks the quality of readings taken from the environment may be hampered by outliers in raw data collected from transmitters attached to nodes' analogue-to-digital converter ports. To improve the data quality sent to the base-station, a real-time data analysis should be implemented at nodes' level, while taking into account their computing power and storage limitations. This paper deals with the problem of outliers detection and accommodation in raw data. The proposed approach relies on univariate statistics within an hierarchical multi-agent framework. Results from experiments on a real monitoring scenario, at a major oil refinery plant, show the relevance of the proposed approach.
Original languageEnglish
Pages (from-to)457-468
Number of pages12
JournalInternational Journal of Computer and Electrical Engineering
Volume6
Issue number6
DOIs
Publication statusPublished - 2014

Keywords

  • Oil refinery plant
  • real-time monitoring
  • wireless sensor networks,
  • outliers detection and accommodation
  • multi-agent systems

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