触觉传感器
响应时间
压力传感器
材料科学
石墨烯
纳米技术
机器人学
灵敏度(控制系统)
氮化硼
光电子学
机械工程
电子工程
计算机科学
工程类
机器人
人工智能
计算机图形学(图像)
作者
Jing Chai,Xin Wang,Xuan Li,Guirong Wu,Yunlong Zhao,Xueli Nan,Chenyang Xue,Libo Gao,Gaofeng Zheng
出处
期刊:Micromachines
[MDPI AG]
日期:2024-01-25
卷期号:15 (2): 179-179
被引量:1
摘要
The emerging field of flexible tactile sensing systems, equipped with multi-physical tactile sensing capabilities, holds vast potential across diverse domains such as medical monitoring, robotics, and human–computer interaction. In response to the prevailing challenges associated with the limited integration and sensitivity of flexible tactile sensors, this paper introduces a versatile tactile sensing system capable of concurrently monitoring temperature and pressure. The temperature sensor employs carbon nanotube/graphene conductive paste as its sensitive material, while the pressure sensor integrates an ionic gel containing boron nitride as its sensitive layer. Through the application of cost-effective screen printing technology, we have successfully manufactured a flexible dual-mode sensor with exceptional performance, featuring high sensitivity (804.27 kPa−1), a broad response range (50 kPa), rapid response time (17 ms), and relaxation time (34 ms), alongside exceptional durability over 5000 cycles. Furthermore, the resistance temperature coefficient of the sensor within the temperature range of 12.5 °C to 93.7 °C is −0.17% °C−1. The designed flexible dual-mode tactile sensing system enables the real-time detection of pressure and temperature information, presenting an innovative approach to electronic skin with multi-physical tactile sensing capabilities.
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