新型平面电容式传感器具有高灵敏度，可对接近中的导体进行近距离感应

IF 1.6 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Sensor Review Pub Date : 2024-04-03 DOI:10.1108/sr-10-2023-0562

Meng Wang, Yongheng Li, Yanyan Shi, Fenglan Huang

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引用次数: 0

摘要

目的随着人工智能的发展，近距离传感器在智能感知方面显示出巨大的潜力。本文旨在提出一种新型平面电容式传感器，用于导体的近距离感应。设计/方法/途径与传统结构不同，本文提出的传感器采用锯齿结构电极。我们进行了一系列数值模拟，以研究不同几何参数（如主干宽度、锯齿宽度和锯齿数量）的影响。研究结果发现，随着主干宽度、锯齿宽度和锯齿数量的增加，灵敏度会提高，而较大的横向偏移则会导致灵敏度降低。此外，还将拟议的平面电容式接近传感器的性能与两个传统的平面电容式传感器进行了比较。结果表明，所提出的平面电容式传感器的灵敏度明显高于两个传统的平面电容式传感器。结果表明，新型结构的电容式传感器在检测近距离导体时明显比传统结构的电容式传感器更加灵敏。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A new planar capacitive sensor with high sensitivity for proximity sensing of an approaching conductor

Purpose

With the development of artificial intelligence, proximity sensors show their great potential in intelligent perception. This paper aims to propose a new planar capacitive sensor for the proximity sensing of a conductor.

Design/methodology/approach

Different from traditional structures, the proposed sensor is characterized by sawtooth-structured electrodes. A series of numerical simulations have been carried out to study the impact of different geometrical parameters such as the width of the main trunk, the width of the sawtooth and the number of sawtooths. In addition, the impact of the lateral offset of the approaching graphite block is investigated.

Findings

It is found that sensitivity is improved with the increase of the main trunk with, sawtooth width and sawtooth number while a larger lateral offset leads to a decrease in sensitivity. The performance of the proposed planar capacitive proximity sensor is also compared with two conventional planar capacitive sensors. The results show that the proposed planar capacitive sensor is obviously more sensitive than the two conventional planar capacitive sensors.

Originality/value

In this paper, a new planar capacitive sensor is proposed for the proximity sensing of a conductor. The results show that the capacitive sensor with the novel structure is obviously more sensitive than the traditional structures in the detection of the proximity conductor.

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来源期刊

Sensor Review 工程技术-仪器仪表

CiteScore

3.40

自引率

6.20%

发文量

审稿时长

3.7 months

期刊介绍： Sensor Review publishes peer reviewed state-of-the-art articles and specially commissioned technology reviews. Each issue of this multidisciplinary journal includes high quality original content covering all aspects of sensors and their applications, and reflecting the most interesting and strategically important research and development activities from around the world. Because of this, readers can stay at the very forefront of high technology sensor developments. Emphasis is placed on detailed independent regular and review articles identifying the full range of sensors currently available for specific applications, as well as highlighting those areas of technology showing great potential for the future. The journal encourages authors to consider the practical and social implications of their articles. All articles undergo a rigorous double-blind peer review process which involves an initial assessment of suitability of an article for the journal followed by sending it to, at least two reviewers in the field if deemed suitable. Sensor Review’s coverage includes, but is not restricted to: Mechanical sensors – position, displacement, proximity, velocity, acceleration, vibration, force, torque, pressure, and flow sensors Electric and magnetic sensors – resistance, inductive, capacitive, piezoelectric, eddy-current, electromagnetic, photoelectric, and thermoelectric sensors Temperature sensors, infrared sensors, humidity sensors Optical, electro-optical and fibre-optic sensors and systems, photonic sensors Biosensors, wearable and implantable sensors and systems, immunosensors Gas and chemical sensors and systems, polymer sensors Acoustic and ultrasonic sensors Haptic sensors and devices Smart and intelligent sensors and systems Nanosensors, NEMS, MEMS, and BioMEMS Quantum sensors Sensor systems: sensor data fusion, signals, processing and interfacing, signal conditioning.