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

Dai, Xuewu, Qin, Fei, Gao, Zhiwei, Pan, Kewen and Busawon, Krishna (2015) Model-based on-line sensor fault detection in Wireless Sensor Actuator Networks. In: Proceedings of the 2015 IEEE 13th International Conference on Industrial Informatics (INDIN). IEEE, Piscataway, NJ, pp. 556-561. ISBN 978147996649315

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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.

Item Type: Book Section
Uncontrolled Keywords: actuators, fault diagnosis, optimisation, redundancy
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 23 Dec 2015 12:32
Last Modified: 12 Oct 2019 19:20

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