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Title: Elastic Capacitive Tactile Array Pressure Sensor System
Authors: Hsing-Cheng Yu
Chun-Lin Cheng
Pai-Hao Wu
Szu-Ju Li
Contributors: 國立臺灣海洋大學:系統工程暨造船學系
Keywords: capacitive array
multipoint measurement
pressure sensor
tactile sensor
Date: 2017-06
Issue Date: 2018-10-04T02:27:08Z
Publisher: Sensors and Materials
Abstract: Abstract: Currently, pressure sensors with large areas often use array elements to achieve tactile
measurements. Large-area tactile sensors always feature array-type elements connected by
wires in series to accomplish extensive ranges of measurements. However, unnecessary noise
is generated in the sensors; crosstalk especially is caused by undesired capacitive coupling
from array-type element circuits. A grounding method for an elastic capacitive tactile array
pressure sensor system (ECTAPSS) is presented in this study to reduce the crosstalk effect of
parasitic capacitance. When the capacitive changes influenced by the crosstalk in the floating
circuit exceeded 10 fF, the crosstalk effect of the ECTAPSS could be reduced by more than
50%. Multipoint measurements of the ECTAPSS were achieved at the same time, and the
applied pressures of the ECTAPSS were varied in the range between 0.211 and 0.306 kg/cm2
Finally, various applied pressure values of the ECTAPSS were measured accurately in multipoint
measurements and have been tested and verified under different experimental conditions.
Relation: 29(7) pp.885-895
Appears in Collections:[Department of Systems Engineering and Naval Architecture] Periodical Articles

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