Design of Frequency Measurement System for Variable Pole-distance Capacitive Sensor

被引：0

作者：

Ren, Zhongru ^{[1
]}

Zhang, Xia ^{[1
]}

机构：

[1] Commun Univ China, Sch Data Sci & Intelligent Media, Beijing, Peoples R China

来源：

PROCEEDINGS OF 2020 IEEE INTERNATIONAL CONFERENCE ON ARTIFICIAL INTELLIGENCE AND INFORMATION SYSTEMS (ICAIIS) | 2020年

关键词：

Capacitive sensor; Pspice; Small-signal Readout; FPGA;

D O I：

10.1109/icaiis49377.2020.9194897

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper studies the variable pole-distance capacitive sensor. Firstly, the structural characteristics and working principle of the sensor's sensitive components are analyzed, and a block diagram of the frequency measurement system is given. Then, according to the parameters of common micro capacitance sensor, a small signal readout circuit is designed, and its feasibility is verified by the simulation software Pspice. Finally, a frequency measurement circuit is designed to output the resonant frequency of the sensor.

引用

页码：355 / 359

页数：5

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