Self‐Powered Trajectory,Velocity, and Acceleration Tracking of a Moving Object/Body using a Triboelectric Sensor |
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| Authors: | Fang Yi Long Lin Simiao Niu Jin Yang Wenzhuo Wu Sihong Wang Qingliang Liao Yue Zhang Zhong Lin Wang |
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| Affiliation: | 1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA;2. State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China;3. Key Laboratory of New Energy Materials and Technologies, University of Science and Technology Beijing, Beijing, China;4. Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, China |
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| Abstract: | Motion tracking is of great importance in a wide range of fields such as automation, robotics, security, sports and entertainment. Here, a self‐powered, single‐electrode‐based triboelectric sensor (TES) is reported to accurately detect the movement of a moving object/body in two dimensions. Based on the coupling of triboelectric effect and electrostatic induction, the movement of an object on the top surface of a polytetrafluoroethylene (PTFE) layer induces changes in the electrical potential of the patterned aluminum electrodes underneath. From the measurements of the output performance (open‐circuit voltage and short‐circuit current), the motion information about the object, such as trajectory, velocity, and acceleration is derived in conformity with the preset values. Moreover, the TES can detect motions of more than one objects moving at the same time. In addition, applications of the TES are demonstrated by using LED illuminations as real‐time indicators to visualize the movement of a sliding object and the walking steps of a person. |
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| Keywords: | triboelectric effect self‐powered electronics active sensors motion monitoring |
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