A Large‐Area, Stretchable, Textile‐Based Tactile Sensor,Advanced Materials Technologies

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A Large‐Area, Stretchable, Textile‐Based Tactile Sensor
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2020-02-24 , DOI: 10.1002/admt.201901060
Youzhi Zhang ₁ , Zhengkang Lin ₁ , Xingping Huang ₁ , Xiaojun You ₁ , Jinhua Ye ₁ , Haibin Wu ₁

Affiliation

A tactile sensor is a necessary means for intelligent equipment to acquire external environment information and improve the performance of human–robot interaction. Although high‐performance tactile sensor array is widely studied, the large number of wires required to transmit data from numerous arrays is still a major obstacle in large‐area application. In this study, a large‐area, low‐cost, stretchable, textile‐based tactile sensor, which is sensitive for contact position, is proposed. The sensor has a simple three‐layer structure and four external wires due to the use of a novel double‐faced effect functional knitted textile with “self‐uniformity” characteristic. The porous polyurethane foam with a large pore size is first reported as touch switch material. It not only has excellent touch switch function, but also makes the sensor have a soft and elastic touch and good impact buffering. In addition, the application of radial basis function neural network makes the sensor have self‐learning “intelligence,” which makes the sensor flexibly and quickly arrange even on the surface of a complex 3D object. Finally, the potential applications of the sensor are demonstrated. This study shows that the sensor has great potential in the fields of wearable devices, robot interaction control, and human–computer interface.

中文翻译：

大面积，可拉伸，基于纺织品的触觉传感器

触觉传感器是智能设备获取外部环境信息并提高人机交互性能的必要手段。尽管高性能触觉传感器阵列得到了广泛的研究，但从大量阵列传输数据所需的大量导线仍然是大面积应用中的主要障碍。在这项研究中，提出了一种对接触位置敏感的大面积，低成本，可拉伸，基于纺织品的触觉传感器。该传感器具有简单的三层结构和四根外部导线，这是由于使用了具有“自均匀性”特征的新型双面效果功能性针织物。首先报道了具有大孔径的多孔聚氨酯泡沫作为触摸开关材料。它不仅具有出色的触摸开关功能，而且还使传感器具有柔软弹性的触感和良好的冲击缓冲能力。此外，径向基函数神经网络的应用使传感器具有自学习的“智能”，这使得传感器即使在复杂的3D对象的表面上也可以灵活，快速地排列。最后，演示了传感器的潜在应用。这项研究表明，该传感器在可穿戴设备，机器人交互控制和人机界面领域具有巨大潜力。

更新日期：2020-02-24

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