The working principle and the metrological performances of a novel array sensor devoted to pressure map measurements are experimentally analyzed here. The physical principle on which the sensor elements are sensitive to the pressure is the variation of the contact resistance. Pressure maps from 1 up to 500 kPa can be measured. The prototype here utilized for the metrological characterization has been an 838 matrix sensor with a 5 um spatial resolution over both x and y direction and a total thickness of 150 um. The materials that have been chosen to assemble the prototype yielded to a very flexible and robust sensor which can easily be fitted over round surfaces without being damaged or leading to an alteration of its measuring properties. The static and the dynamic metrological performances of the sensor that have been studied and discussed are the response function and the calibration curve, the repeatability, the sensitivity, the time drift, the hysteresis, and the dynamic response. In spite of its functional and constructive simplicity, the metrological performances the sensor has exhibited, together with its peculiar constructive feature, have indicated the possibility to utilize it to effectively measure pressure maps in every application for which the sensor could be shaped in.

A novel pressure array sensor based on contact resistance variation: Metrological properties / DEL PRETE, Zaccaria; Monteleone, L.; Steindler, Roberto. - In: REVIEW OF SCIENTIFIC INSTRUMENTS. - ISSN 0034-6748. - STAMPA. - 72 (2):(2001), pp. 1548-1553. [10.1063/1.1340561]

A novel pressure array sensor based on contact resistance variation: Metrological properties

DEL PRETE, Zaccaria;STEINDLER, Roberto
2001

Abstract

The working principle and the metrological performances of a novel array sensor devoted to pressure map measurements are experimentally analyzed here. The physical principle on which the sensor elements are sensitive to the pressure is the variation of the contact resistance. Pressure maps from 1 up to 500 kPa can be measured. The prototype here utilized for the metrological characterization has been an 838 matrix sensor with a 5 um spatial resolution over both x and y direction and a total thickness of 150 um. The materials that have been chosen to assemble the prototype yielded to a very flexible and robust sensor which can easily be fitted over round surfaces without being damaged or leading to an alteration of its measuring properties. The static and the dynamic metrological performances of the sensor that have been studied and discussed are the response function and the calibration curve, the repeatability, the sensitivity, the time drift, the hysteresis, and the dynamic response. In spite of its functional and constructive simplicity, the metrological performances the sensor has exhibited, together with its peculiar constructive feature, have indicated the possibility to utilize it to effectively measure pressure maps in every application for which the sensor could be shaped in.
2001
functional neuromuscular stimulation; tactile; manipulation
01 Pubblicazione su rivista::01a Articolo in rivista
A novel pressure array sensor based on contact resistance variation: Metrological properties / DEL PRETE, Zaccaria; Monteleone, L.; Steindler, Roberto. - In: REVIEW OF SCIENTIFIC INSTRUMENTS. - ISSN 0034-6748. - STAMPA. - 72 (2):(2001), pp. 1548-1553. [10.1063/1.1340561]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/251315
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