用纸和聚合物做柔性压力传感器，无线精准控机械臂
Polymer/paper-based double touch mode capacitive pressure sensing element for wireless control of robotic arm
- 用铝膜聚酰亚胺、双面胶带等简单材料折叠组装
- 线性灵敏区14.24~54.9 kPa，可测精确压力变化
- 适合低成本柔性传感与无线机器人控制场景
本研究展示了一种大面积、低成本、柔性的聚合物/纸基双触模式电容式压力传感器。采用车库级制造工艺，仅需裁剪、粘贴和组装铝膜聚酰亚胺箔、聚酰亚胺胶带及双面胶带。该传感器在不同压力区间工作：正常（0–7.5 kPa）、过渡（7.5–14.24 kPa）、线性（14.24–54.9 kPa）和饱和（>54.9 kPa）。所展示的双触模式电容传感器具有低温度漂移、长线性范围、高压力灵敏度、精确压力测量和大有效面积等优势。其线性输出特性与高灵敏度区（14.24–54.9 kPa）被用于无线控制机械臂，实现精确的旋转与倾斜运动。
原文摘要 · Abstract (English)
In this work, a large area, low cost and flexible polymer/paper-based double touch mode capacitive pressure sensor is demonstrated. Garage fabrication processes are used which only require cutting, taping and assembly of aluminum (Al) coated polyimide (PI) foil, PI tape and double-sided scotch tape. The presented pressure sensor operates in different pressure regions i.e. normal (0 to 7.5 kPa), transition (7.5 to 14.24 kPa), linear (14.24 to 54.9 kPa) and saturation (above 54.9 kPa). The advantages of the demonstrated double touch mode capacitive pressure sensors are low temperature drift, long linear range, high pressure sensitivity, precise pressure measurement and large die area. The linear output along with a high sensitivity range (14.24 to 54.9 kPa pressure range) of the sensor are utilized to wirelessly control the movement of a robotic arm with precise rotation and tilt movement capabilities.
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