Abstract
This work demonstrates a ping-pong paddle equipped with self-powered wireless triboelectric nanogenerator-based (TENG) sensors, a significant advancement in sports science and technology. The study effectively created fluoroalkylsilane-modified polydimethylsiloxane (PDMS-FOTS) TENG to alter the electronegativity of PDMS. Consequently, the PDMS-FOTS TENG demonstrated a dramatic increase in performance, achieving voltages and currents of up to 181 V and 98 nA, respectively, which is a 2.83-fold and 3.03-fold enhancement compared to PDMS TENG. Theoretical calculations using finite element method (FEM) confirmed these results, indicating an optimal triboelectric potential of 1172 V for PDMS-FOTS. Incorporating this TENG into the ping-pong paddle, combined with a data acquisition (DAQ) card, Wi-Fi module, and human-machine interface (HMI), led to the creation of a wireless system capable of capturing real-time data on the impact positions and strengths of ping-pong balls. The system's remarkable stability and sensitivity are evident in its 100 % accuracy in position differentiation over 340 ball impacts and its ability to handle high-speed movements up to 10 kHz. This functionality offers athletes precise and detailed training records, enhancing their performance analysis. The study's findings reveal the significant potential of integrating TENG sensor technology in intelligent sports equipment. The ping-pong paddle demonstrates the practical application of TENGs in real-world scenarios, enhancing athletic training and performance analysis through innovative, self-powered wireless sensors.
Published Version
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