A Two-Step Readout Technique for Large-Array Resistive Sensors

被引：6
|
作者：
Ghamsari, Sara [1 ]
Qouchani, Mohammad Tavakkoli [1 ,2 ]
Rahmanpour, Sadjad [2 ]
Zendedel, Payman Amel [2 ]
Lotfi, Reza [1 ,3 ]
机构：
[1] Ferdowsi Univ Mashhad, Bioelect Res Ctr, Mashhad 9177948974, Razavi Khorasan, Iran
[2] Payatek Ltd, Mashhad 9198178179, Razavi Khorasan, Iran
[3] Delft Univ Technol, Bioelect Sect, NL-2628 CD Delft, Netherlands
来源：
IEEE SENSORS JOURNAL | 2020年 / 20卷 / 21期
关键词：
Large-array sensors; resistive sensors; plantar pressure scanners; two-step readout technique;
D O I：
10.1109/JSEN.2020.3000494
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Large-array resistive sensors have nowadays found various applications in a variety of medical and industrial systems. In this paper, a two-step readout procedure is proposed, which increases the average speed of the readout for the input patterns, located in an areamuchsmaller than the entire array. In the proposedmethod, during the first step, only a spatially coarse scan is performed where the location of the input is roughly estimated. Then, during the second step, the values of the resistorsare accuratelymeasured, justwithin the allocated area. Measurement results of a 52x44 resistive array used in a plantar pressure scanner show that the average readout time for a gait pattern is reduced from 23 ms for the conventional circuit to 5.7 ms using the proposed technique.
引用
收藏
页码：12453 / 12458
页数：6
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