Design and characterisation of polymeric pressure sensors for wireless wind sail monitoring
Rossetti, A. and Codeluppi, R. and Golfarelli, A. and Zagnoni, Michele and Talamelli, A. and Tartagni, M. (2011) Design and characterisation of polymeric pressure sensors for wireless wind sail monitoring. Sensors and Actuators A: Physical, 167 (2). 162–170. ISSN 0924-4247 (https://doi.org/10.1016/j.sna.2011.02.033)
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This paper presents the design, fabrication and experimental characterization of a capacitive differential pressure transducer, suitable to be implemented in a wireless sensor network for wind sail monitoring. The network is aimed at sensing the pressure field acting on the surface of a sail by means of instrumented battens, providing the real-time differential pressure map over the sail surface. Each batten was constructed to house a number of wireless nodes within which a pressure sensing unit was integrated, providing independent pressure measurements. The pressure sensor was fabricated using printed circuit board technology, resulting in a thin, triple-layered structure which comprised a pre-stressed polymeric diaphragm, woven glass reinforced epoxy resin layers and metal layers. During the design phase, numerical simulations were used to estimate the pressure–capacitance static characteristic of the sensor by means of a non-linear, coupled mechanical-electrostatic numerical model. In this paper, we show both numerically and experimentally that inducing a pre-stress in the sensor diaphragm reduced undesired effects due to viscoelasticity, resulting in improved output accuracy. The sensors were experimentally characterized in a pressure range of ±250 Pa and the results were compared with numerical simulations.
ORCID iDs
Rossetti, A., Codeluppi, R., Golfarelli, A., Zagnoni, Michele ORCID: https://orcid.org/0000-0003-3198-9491, Talamelli, A. and Tartagni, M.;-
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Item type: Article ID code: 33142 Dates: DateEventJune 2011PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering
Technology and Innovation Centre > Advanced Science and Technology
Technology and Innovation Centre > BionanotechnologyDepositing user: Pure Administrator Date deposited: 06 Sep 2011 15:44 Last modified: 11 Nov 2024 09:49 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/33142