筑波大学、東京工業大学との共著論文が、IEEE ToH (Transactions on Haptics) に掲載されました。これは、主に筑波大学 黒田研究室の許 佳禕 (Jiayi Xu) さんの研究成果です。
- Jiayi Xu, Shoichi Hasegawa, Kiyoshi Kiyokawa, Naoto Ienaga, and Yoshihiro Kuroda, “Integration of Independent Heat Transfer Mechanisms for Non-Contact Cold Sensation Presentation with Low Residual Heat,” IEEE Transactions on Haptics, Vol. 16, No. 4, 2023.
(abstract) Thermal sensation is crucial to enhancing our comprehension of the world and enhancing our ability to interact with it. Therefore, the development of thermal sensation presentation technologies holds significant potential, providing a novel method of interaction. Traditional technologies often leave residual heat in the system or the skin, affecting subsequent presentations. Our study focuses on presenting thermal sensations with low residual heat, especially cold sensations. To mitigate the impact of residual heat in the presentation system, we opted for a non-contact method, and to address the influence of residual heat on the skin, we present thermal sensations without significantly altering skin temperature. Specifically, we integrated two highly responsive and independent heat transfer mechanisms: convection via cold air and radiation via visible light, providing non-contact thermal stimuli. By rapidly alternating between perceptible decreases and imperceptible increases in temperature on the same skin area, we maintained near-constant skin temperature while presenting continuous cold sensations. In our experiments involving 15 participants, we observed that when the cooling rate was − 0.2 to − 0.24 ∘ C/s and the cooling time ratio was 30 to 50%, more than 86.67% of the participants perceived only persistent cold without any warmth.
