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Compact single-track absolute capacitive angular displacement sensor with high accuracy

delete2026-03-20
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PRE
AI
X
Xingchen Fan
J
Jiaxing Chen
王鹤文 封面图
王鹤文 (Hewen Wang) *
W
Wenhao Teng
Z
Zhicheng Yu *
DOI:10.1016/j.sna.2026.117708delete
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摘要

摘要

En 中文
• 通过将CMG和FMG的平行电容配置转变为周向串联配置,提出一种紧凑型单轨绝对电容式角位移传感器,减少径向占用并保持高精度绝对角度测量。 • 开发一种由转子上的四个感应电极组均匀分布构成的转子结构,并应用TSIED方法,以解决FMG和CMG拼接区域出现的信号串扰对测量精度的影响。 • 进行三维有限元仿真,设计传感电极参数,并验证TSIED方法在所提出的电容式角位移传感器中的可行性。 • 演示采用印刷电路板技术制造的外径为112 mm的原型传感器,其FMG重复性达到3.4″,补偿后FMG测量精度在360°测量范围内为±6″。
Keyword:
capacitive angular displacement sensor
absolute angle measurement
signal crosstalk
TSIED method
finite-element simulation

期刊

S
Sensors and Actuators A: Physical
IF:
0
论文数:
775
被引数:
1

机构

C
Chongqing University of Technology
学者数:
5.8K
论文数: 3.5K
被引数: 3
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