Development of metallic digital strain gauges
Development of metallic digital strain gauges
A joint Brunel-Southampton Universities’ research team has developed digital strain gauges based on a metallic triple-beam resonator structure with thick-film piezoelectric sensor elements. The resonator, an oscillating structure vibrating at resonance, is designed such that its resonant frequency is a function of the measurand. The resonator substrate was fabricated by a double-sided photochemical etching technique and the thick-film piezoelectric elements were deposited by a standard screen-printing process. The new metallic digital strain gauges can be used on stiff structures, have high overload capacities, low power consumption, frequency output for digital processing, and offer prospects for wireless-batteryless operation. The device can be easily mass-produced at low cost for use in a wide range of measuring systems, e.g. load cells, weighing machines, torque transducers and pressure sensors.
Strain gauges, resonators, thick-film PZT
214-216
Yan, T
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Jones, B E
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Rakowski, R T
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Tudor, M J
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Beeby, S P
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White, N M
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September 2004
Yan, T
9cfff593-08c6-4487-bda6-f866ea2cf648
Jones, B E
cf501aef-d955-461d-9c2f-ee5b04400346
Rakowski, R T
3c6c4f33-5940-411c-8dac-46a9c0fd6fb4
Tudor, M J
46eea408-2246-4aa0-8b44-86169ed601ff
Beeby, S P
ba565001-2812-4300-89f1-fe5a437ecb0d
White, N M
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Yan, T, Jones, B E, Rakowski, R T, Tudor, M J, Beeby, S P and White, N M
(2004)
Development of metallic digital strain gauges.
Measurement and Control, 37 (7), .
(doi:10.1177/002029400403700705).
Abstract
A joint Brunel-Southampton Universities’ research team has developed digital strain gauges based on a metallic triple-beam resonator structure with thick-film piezoelectric sensor elements. The resonator, an oscillating structure vibrating at resonance, is designed such that its resonant frequency is a function of the measurand. The resonator substrate was fabricated by a double-sided photochemical etching technique and the thick-film piezoelectric elements were deposited by a standard screen-printing process. The new metallic digital strain gauges can be used on stiff structures, have high overload capacities, low power consumption, frequency output for digital processing, and offer prospects for wireless-batteryless operation. The device can be easily mass-produced at low cost for use in a wide range of measuring systems, e.g. load cells, weighing machines, torque transducers and pressure sensors.
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Published date: September 2004
Keywords:
Strain gauges, resonators, thick-film PZT
Organisations:
EEE
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Local EPrints ID: 260478
URI: http://eprints.soton.ac.uk/id/eprint/260478
PURE UUID: 4875e0f0-0765-4f2e-a8ed-3f1aa8287524
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Date deposited: 08 Feb 2005
Last modified: 15 Mar 2024 02:46
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Contributors
Author:
T Yan
Author:
B E Jones
Author:
R T Rakowski
Author:
M J Tudor
Author:
S P Beeby
Author:
N M White
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