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Open AccessFeature PaperArticle

Generic Sensor Failure Modeling for Cooperative Systems

1
Otto-von-Guericke Universität Magdeburg, Embedded Smart Systems, 39106 Magdeburg, Germany
2
LASIGE, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Sensors 2018, 18(3), 925; https://doi.org/10.3390/s18030925
Received: 20 February 2018 / Revised: 12 March 2018 / Accepted: 14 March 2018 / Published: 20 March 2018
(This article belongs to the Special Issue Dependable Monitoring in Wireless Sensor Networks)
The advent of cooperative systems entails a dynamic composition of their components. As this contrasts current, statically composed systems, new approaches for maintaining their safety are required. In that endeavor, we propose an integration step that evaluates the failure model of shared information in relation to an application’s fault tolerance and thereby promises maintainability of such system’s safety. However, it also poses new requirements on failure models, which are not fulfilled by state-of-the-art approaches. Consequently, this work presents a mathematically defined generic failure model as well as a processing chain for automatically extracting such failure models from empirical data. By examining data of an Sharp GP2D12 distance sensor, we show that the generic failure model not only fulfills the predefined requirements, but also models failure characteristics appropriately when compared to traditional techniques. View Full-Text
Keywords: sensor failures; generic failure modeling; dynamically composed systems; cooperative systems; maintaining safety; cyber-physical-systems sensor failures; generic failure modeling; dynamically composed systems; cooperative systems; maintaining safety; cyber-physical-systems
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MDPI and ACS Style

Jäger, G.; Zug, S.; Casimiro, A. Generic Sensor Failure Modeling for Cooperative Systems. Sensors 2018, 18, 925.

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