期刊
ACS NANO
卷 12, 期 11, 页码 11561-11571出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.8b06747
关键词
triboelectric effect; self-powered; wearable; flexible; robot
类别
资金
- National Key Research and Development Program of China [2018YFB1107602]
- National Natural Science Foundation of China [61673287, 81622032]
- State Key Laboratory of Precision Measuring Technology and Instruments
- HIFES Seed Funding-2017-01 grant Hybrid Integration of Flexible Power Source and Pressure Sensors at the National University of Singapore [R-263-501-012-133]
- Agency for Science, Technology and Research (A*STAR), Singapore
- Narodowe Centrum Badan i Rozwoju (NCBR)
- Poland Joint Grant Chip-Scale MEMS Micro-Spectrometer for Monitoring Harsh Industrial Gases [R-263-000-C91-305]
Triboelectric nanogenerators and sensors can be applied as human machine interfaces to the next generation of intelligent and interactive products, where flexible tactile sensors exhibit great advantages for diversified applications such as robotic control. In this paper, we present a self-powered, flexible, triboelectric sensor (SFTS) patch for finger trajectory sensing and further apply the collected information for robotic control. This innovative sensor consists of flexible and environmentally friendly materials, i.e., starch-based hydrogel, polydimethylsiloxane (PDMS), and silicone rubber. The sensor patch can be divided into a two-dimensional (2D) SFTS for in-plane robotic movement control and a one-dimensional (1D) SFTS for out-of-plane robotic movement control. The 2D-SFTS is designed with a grid structure on top of the sensing surface to track the continuous sliding information on the fingertip, e.g., trajectory, velocity, and acceleration, with four circumjacent starch based hydrogel PDMS elastomer electrodes. Combining the 2D-SFTS with the 1D-SFTS, three-dimensional (3D) spatial information can be generated and applied to control the 3D motion of a robotic manipulator, and the real-time demonstration is successfully realized. With the facile design and very low-cost materials, the proposed SFTS shows great potential for applications in robotics control, touch screens, and electronic skins.
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