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题名: Elastic Capacitive Tactile Array Pressure Sensor System
作者: Hsing-Cheng Yu
Chun-Lin Cheng
Pai-Hao Wu
Szu-Ju Li
贡献者: 國立臺灣海洋大學:系統工程暨造船學系
关键词: capacitive array
crosstalk
multipoint measurement
pressure sensor
tactile sensor
日期: 2017-06
上传时间: 2018-10-04T02:27:08Z
出版者: Sensors and Materials
摘要: 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.
關聯: 29(7) pp.885-895
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50325
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