Modeling and Relative Permittivity Modulation of Cu/PDMS Capacitive Flexible Sensor for Pressure Sensing DOI Creative Commons
Xu Wang,

Yuelong Zhang,

Tian Zhang

и другие.

Sensors, Год журнала: 2025, Номер 25(3), С. 637 - 637

Опубликована: Янв. 22, 2025

This study aims to establish an equivalent parallel capacitance model for a copper/polydimethylsiloxane (Cu/PDMS) capacitive flexible pressure sensor and modulate its relative permittivity optimize sensing performance. The Cu/PDMS composite material is ideal dielectric layer sensors due high constant tunable elasticity. By adjusting the different mixing ratios of PDMS copper particles in micro size, components structure properties can be modified, thereby affecting electrical mechanical performance sensor. We used finite element analysis (FEA) studied changes under various normal loading conditions assess sensitivity distribution characteristics. Experimental results show that has good repeatability range 0 50 kPa. Additionally, we explored effect addition carbon black particles. It could inferred added enhance conductivity, which would consequenced by optimization Cu black’s low density, it mechanically restore some flexibility up nearly 20%. Through these studies, our work provide theoretical support design application sensors.

Язык: Английский

Modeling and Relative Permittivity Modulation of Cu/PDMS Capacitive Flexible Sensor for Pressure Sensing DOI Creative Commons
Xu Wang,

Yuelong Zhang,

Tian Zhang

и другие.

Sensors, Год журнала: 2025, Номер 25(3), С. 637 - 637

Опубликована: Янв. 22, 2025

This study aims to establish an equivalent parallel capacitance model for a copper/polydimethylsiloxane (Cu/PDMS) capacitive flexible pressure sensor and modulate its relative permittivity optimize sensing performance. The Cu/PDMS composite material is ideal dielectric layer sensors due high constant tunable elasticity. By adjusting the different mixing ratios of PDMS copper particles in micro size, components structure properties can be modified, thereby affecting electrical mechanical performance sensor. We used finite element analysis (FEA) studied changes under various normal loading conditions assess sensitivity distribution characteristics. Experimental results show that has good repeatability range 0 50 kPa. Additionally, we explored effect addition carbon black particles. It could inferred added enhance conductivity, which would consequenced by optimization Cu black’s low density, it mechanically restore some flexibility up nearly 20%. Through these studies, our work provide theoretical support design application sensors.

Язык: Английский

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