Triboelectric Self-Powered Three-Dimensional Tactile Sensor

被引：7
作者：
Wang, Zhihua [1 ,2 ]
Sun, Shiming [1 ,2 ]
Li, Na [3 ]
Yao, Tao [4 ]
Lv, Dianli [1 ,2 ]
机构：
[1] Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equip, Tianjin 300130, Peoples R China
[2] Hebei Univ Technol, Key Lab Electromagnet Field & Elect Apparat Relia, Tianjin 300130, Peoples R China
[3] Chengde Petr Coll, Ind Technol Ctr, Chengde 067000, Peoples R China
[4] Hebei Univ Technol, Sch Mech Engn, Tianjin 300130, Peoples R China
来源：
IEEE ACCESS | 2020年 / 8卷
基金：
中国国家自然科学基金;
关键词：
Films; Force; Electric potential; Tactile sensors; Electrodes; Zinc oxide; PDMS; PEO; sliding sensing; three-dimensional tactile sensation; triboelectricity; NANOGENERATORS; OXIDE;
D O I：
10.1109/ACCESS.2020.3024712
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Three-dimensional tactile sensing in smart devices is witnessing an increasing demand. In this study, a three-dimensional tactile sensor is proposed according to the principle of triboelectricity by using polydimethylsiloxane (PDMS) and polyethylene oxide (PEO) films. Use of PDMS-ZnO composite films increases the output voltage of the electrodes. The sensor is designed with a cross beam-shaped pressure head to enable sensing normal forces in five directions. The working mechanism of the sensor is analyzed using the finite element method. The calculation results indicate a linear relationship between the output voltage and the force. The simulation results also demonstrate that the output voltage is linearly correlated with the applied force in the range of 1-30 N. Test results show that the sensor can sense the magnitude, frequency, and direction of the force as well as measure the duration of the force. The hardness of the object has a significant effect on the output voltage. Finally, the sensor is tested on a manipulator grasping an object to demonstrate its ability to sense the contact and sliding of the object.
引用
收藏
页码：172076 / 172085
页数：10
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