- to Tactile or Pain sense
Super-resolution wearable electrotactile stimulators
Description
“Most electrotactile stimulators rely on high voltage direct-current (DC) pulses (up to hundreds of volts) to penetrate the stratum corneum, the outermost layer of the skin, to stimulate the receptors and nerves, which poses a safety concern. Also, the tactile rendering resolution needed to be improved. The latest electro-tactile actuator developed by the team is very thin and flexible and can be easily integrated into a finger cot. This fingertip wearable device can display different tactile sensations, such as pressure, vibration, and texture roughness in high fidelity. Instead of using DC pulses, the team developed a high-frequency alternating stimulation strategy and succeeded in lowering the operating voltage under 30 V, ensuring the tactile rendering is safe and comfortable.” (City University of Hong Kong)
Website(s)
Bibliography
Weikang Lin, Dongsheng Zhang, Wang Wei Lee, Xuelong Li, Ying Hong, Qiqi Pan, Ruirui Zhang, Guoxiang Peng, Hong Z. Tan, Zhengyou Zhang, Lei Wei, & Zhengbao Yang (2022). Super-resolution wearable electrotactile rendering system. Science Advances, 8(36), eabp8738.