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A multi-mode MEMS sensor design to support system test and health & usage monitoring applications

Xu, Z. and Richardson, A. and Koltsov, D. and Li, L. and Begbie, M. and Wang, C (2010) A multi-mode MEMS sensor design to support system test and health & usage monitoring applications. In: Test Symposium (ETS), 2010 15th IEEE European. , p. 263.

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Abstract

Health and usage monitoring (HUMS) as a technique for online test, diagnosis or prognosis of structures and systems has evolved as a key technology for future critical systems. The application of HUMS technology requires a portfolio of reliable miniaturized sensors, capable of delivering "intelligence" on the internal and external environment of a system or structure. This paper proposes a fault tolerant sensor architecture and demonstrates the feasibility of realising this architecture through the design of a dual mode humidity/pressure MEMS sensor with an integrated temperature function. The sensor has a simple structure, good linearity and sensitivity, and the potential for implementation of built-in Self-test features. We also propose a re-configurable sensor network based on the multi-functional sensor concept that supports both normal operational and fail safe modes. The architecture has the potential to significantly increase system reliability and supports a reduction in the number of sensors required in future HUMS devices. The technique has potential in a wide range of applications, especially within wireless sensor networks.

Item Type: Contribution in Book/Report/Proceedings
Uncontrolled Keywords: HUMS technology ; built-in self test feature ; dual mode humidity pressure MEMS sensor ; fault tolerant sensor architecture ; health monitoring ; integrated temperature function ; multifunctional sensor ; multimode MEMS sensor ; online diagnosis ; online test ; reconfigurable sensor network ; reliable miniaturized sensor ; usage monitoring ; wireless sensor networks ; humidity sensors ; microsensors ; pressure sensors
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 50482
Deposited By: ep_importer_pure
Deposited On: 25 Oct 2011 16:41
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 00:42
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/50482

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