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Publication:Jesus2018Safecomp
Abstract Environmental monitoring systems are compo Environmental monitoring systems are composed by sensor networks deployed in uncertain and harsh conditions, vulnerable to external disturbances, posing challenges to the comprehensive system characterization and modelling. When unexpected sensor measurements are produced, there is a need to detect and identify, in a timely manner, if they stem from a failure behavior or if they indeed represent some environment-related process. Existing solutions for fault detection in environmental sensor networks do not portray the required sensitivity for the differentiation of these processes or they are unable to meet the time constraints of the affected cyber-physical systems. We have been developing a framework for dependable detection of failures in harsh environments monitoring systems, aiming to improve the overall sensor data quality. Herein we present the application of an early framework implementation to an aquatic sensor network dataset, using neural networks to model sensors’ behaviors, correlated data between neighbor sensors, and a statistical technique to detect the presence of outliers in the datasets. the presence of outliers in the datasets.
Author Gonçalo Jesus + , António Casimiro + , Anabela Oliveira +
Booktitle Computer Safety, Reliability, and Security. SAFECOMP 2018  +
Document Document for Publication-Jesus2018Safecomp.pdf +
Editor Gallina B. + , Skavhaug A. + , Schoitsch E. + , Bitsch F. +
Key Jesus2018Safecomp  +
Month sep  +
NumPubDate 2,018.09  +
Pages 224–233  +
Publisher Springer, Cham  +
ResearchLine Timeliness and Adaptation in Dependable Systems (TADS) +
Series Lecture Notes in Computer Science, vol 11094  +
Title Dependable Outlier Detection in Harsh Environments Monitoring Systems  +
Type incollection  +
Url https://doi.org/10.1007/978-3-319-99229-7_20  +
Year 2018  +
Categories Publication  +
Modification dateThis property is a special property in this wiki. 25 November 2019 23:52:42  +
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