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Model-based on-line sensor fault detection in Wireless Sensor Actuator Networks | IEEE Conference Publication | IEEE Xplore

Model-based on-line sensor fault detection in Wireless Sensor Actuator Networks


Abstract:

Wireless Sensor Actuator Networks (WSANs) have shown its advantages of flexibility and cable-free deployment in industrial applications. However, the sensors explore dire...Show More

Abstract:

Wireless Sensor Actuator Networks (WSANs) have shown its advantages of flexibility and cable-free deployment in industrial applications. However, the sensors explore directly to the harsh environment and are the most prone to faults and malfunctioning, which poses a big challenge to the WSAN's applicability in applications with high safety requirements. This paper focuses on highly reliable WSANs equipped with double-sensing system and proposes a model-based on-line sensor fault detection scheme by exploiting information redundancy between sensors and actuators. An optimization method is developed to make the proposed scheme robust to the largely fluctuating end-to-end packet transmission delays due to wireless communications. The performance of the proposed sensor fault detection scheme is demonstrated by the simulation of a pick and place robot.
Date of Conference: 22-24 July 2015
Date Added to IEEE Xplore: 01 October 2015
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Conference Location: Cambridge, UK

References

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