IoTTT : IoT on Table Tennis

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  • OHGI Yuji
    慶應義塾大学 政策・メディア研究科
  • SOEJIMA Munetaka
    京セラ株式会社 研究開発本部 先進マテリアルデバイス研究所 けいはんなリサーチセンター
  • KAWAGUCHI Yoshiyuki
    京セラ株式会社 研究開発本部 先進マテリアルデバイス研究所 けいはんなリサーチセンター

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Other Title
  • IoTTT : IoT on Table Tennis : 卓球スキルの可視化
  • IoTTT : IoT on Table Tennis : タッキュウ スキル ノ カシカ
  • ― A visualization of the table tennis skill ―
  • ―卓球スキルの可視化―

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Description

<p>In order to observe the swing motion on the table tennis, the authors developed a table tennis racket sensor using a triple axes accelerometer and newly developed gyro sensors which are attached at the grip end of the racket. We called this, IoTTT, IoT on Table Tennis. The measurement and data transmission are controlled by Bluetooth BLE 4.2 from the tablet computer. Using this racket sensor, we obtained the service motion in the table tennis swing. Since, of variety of swing motion, the service is the only the swing which can be controlled by the athletes without any of disturbance factors, we conducted our experiment on the service motion. Then, the trajectory and the orientation of the racket in the service motion were calculated and visualized. We proposed that obtained data can be used for the evidence-based training using such as the quantification of the repeatability of motions, the differences between skilled athletes or the fake motion, etc.</p>

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