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用于压力传感的Cu/PDMS电容柔性传感器的建模和相对允许度调制

Xu Wang¹, Yuelong Zhang¹, Tian Zhang¹

¹College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China.

Sensors (Basel, Switzerland)

|February 13, 2025

概括

本研究介绍了铜/聚二甲基 (Cu/PDMS) 柔性压力传感器的新型号,通过调整材料特性来优化性能. 开发的传感器在压力传感应用中表现出卓越的灵敏度和可重复性.

科学领域:

材料科学材料科学材料科学
电气工程电气工程
传感器技术传感器技术

背景情况:

灵活的压力传感器对于各种应用至关重要.
铜/聚二甲基 (Cu/PDMS) 复合材料为传感器开发提供了理想的介电和弹性特性.
优化材料组成是提高传感器性能的关键.

研究的目的:

为Cu/PDMS电容柔性压力传感器开发一个相当的平行电容模型.
通过调节Cu/PDMS介电层的相对导电性来优化传感器性能.
研究材料组成对传感器灵敏度和机械性能的影响.

主要方法:

使用有限元分析 (FEA) 进行传感器结构建模.
在不同的正常负载条件下研究的电容变化.
实验分析了不同PDMS和铜颗粒混合比率的影响.
探索了添加碳黑颗粒对传感器性能的影响.

主要成果:

开发的Cu/PDMS传感器在0~50kPa压力范围内表现出良好的灵敏度和可重复性.
调整PDMS和铜颗粒的混合比率有效地改变了复合材料的电气和机械特性.
添加碳黑增强了电气性能,并恢复了约20%的机械灵活性.

结论:

已建立的电容模型为设计和应用灵活的压力传感器提供了理论支持.
/PDMS复合材料是适合用于高性能灵活压力传感器的介电材料.
材料组合调整,包括添加碳黑,为优化传感器性能提供了可行的策略.

关键词:

这是一个具有容量的容量.灵活的传感器灵活的传感器相对允许度调制的相对允许度调制.触觉传感器是一种触觉传感器.

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