基于旋转电位计的新型电阻角度传感器的设计和歇斯底里补偿
Ruiqi Liu1, Min Li1,2, Jiahong Zhang1,2
1School of Integrated Circuits, Nanjing University of Information Science and Technology, Nanjing 210044, China.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
本研究介绍了用于工业自动化的一种经济高效的电阻角度传感器. 软件补偿显著减少了非线性和歇斯底里错误,提高了敏感应用程序的精度.
科学领域:
- 电气工程 电气工程
- 传感器技术 传感器技术
- 机械电子学是什么意思 机械电子学
背景情况:
- 电阻角度传感器因其简单的信号调节和成本效益而受到重视.
- 由于机械因素,现有的传感器面临着线性和歇斯底里的挑战.
- 在工业自动化和EMI敏感环境中,需要精确,低成本的角度测量.
研究的目的:
- 开发和验证使用旋转电位计的高精度电阻角度传感器.
- 通过先进的软件补偿技术来解决非线性和歇斯底里错误.
- 为了在苛刻的应用中为180°角测量提供一个具有成本效益的解决方案.
主要方法:
- 设计了一种具有专门信号调节电路和机械外的新型电阻角度传感器.
- 实现一种自适应线性神经元 (ADALINE) 技术,利用α-最小平均平方 (α-LMS) 算法进行软件补偿.
- 对传感器性能进行实验性评估,包括线性,温度稳定性和误差减少.
主要成果:
- 传感器表现出极好的线性和温度稳定性 (-20°C至60°C),最小的零温度漂移 (0.004°/°C).
- 软件补偿有效地将非线性误差从4.413%降至0.182%.
- 在补偿后,歇斯底里斯误差从4.061%显著降低到0.404%.
结论:
- 开发的电阻角度传感器通过有效的软件补偿实现了高精度.
- 基于ADALINE的补偿方法成功地减轻了非线性和hysteresis错误.
- 这项研究为设计用于工业自动化的高性能,低成本电阻角度传感器提供了宝贵的见解.
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