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Sensors 2016, 16(2), 253; doi:10.3390/s16020253

Cable Crosstalk Suppression with Two-Wire Voltage Feedback Method for Resistive Sensor Array

School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China
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Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 3 December 2015 / Revised: 14 January 2016 / Accepted: 16 February 2016 / Published: 19 February 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [3653 KB, uploaded 19 February 2016]   |  

Abstract

Using a long, flexible test cable connected with a one-wire voltage feedback circuit, a resistive tactile sensor in a shared row-column fashion exhibited flexibility in robotic operations but suffered from crosstalk caused by the connected cable due to its wire resistances and its contacted resistances. Firstly, we designed a new non-scanned driving-electrode (VF-NSDE) circuit using two wires for every row line and every column line to reduce the crosstalk caused by the connected cables in the circuit. Then, an equivalent resistance expression of the element being tested (EBT) for the two-wire VF-NSDE circuit was analytically derived. Following this, the one-wire VF-NSDE circuit and the two-wire VF-NSDE circuit were evaluated by simulation experiments. Finally, positive features of the proposed method were verified with the experiments of a two-wire VF-NSDE prototype circuit. The experiment results show that the two-wire VF-NSDE circuit can greatly reduce the crosstalk error caused by the cables in the 2-D networked resistive sensor array. View Full-Text
Keywords: networked resistive sensor array; measurement error; one-wire VF-NSDE circuit; two-wire VF-NSDE circuit networked resistive sensor array; measurement error; one-wire VF-NSDE circuit; two-wire VF-NSDE circuit
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wu, J.; He, S.; Li, J.; Song, A. Cable Crosstalk Suppression with Two-Wire Voltage Feedback Method for Resistive Sensor Array. Sensors 2016, 16, 253.

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