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眨眨眼就能开关电灯成现实
2017-08-05 04:34:52 中国青年网
【科技前沿】
本报重庆8月4日电(记者张国圣 见习记者冯帆) 眨眨眼就能开关电灯,还能传递情报?重庆大学最新的科研成果,让这些科幻电影里才有的场景成为现实。由重庆大学物理学院胡陈果教授团队和中国科学院王中林院士等人共同完成的科研论文《利用摩擦纳米发电技术构建眼动触发自驱动感官控制人机交互系统》,近日在国际权威学术刊物《科学进展》上发表;科研团队设计出的利用感官控制人机交互系统——摩擦纳米发电技术传感器,也通过了多次应用试验的验证。
论文的第一作者、重庆大学博士生蒲贤洁现场展示了此项技术的应用。她戴着一个镜框上安置着传感器的眼镜,眨眼传输的信号通过传感器、滤波器、放大器等一系列接收装置,不仅能够控制电子设备开关,而且能够利用光标的移动输出准确的英文单词和空格符号。蒲贤洁说,这个传感器的制作材料非常简单,制作成本只有1元左右,但是灵敏度极高,打字输出的成功率达到94.5%,十分有利于未来的推广应用。
胡陈果说,这一研究成果最大的突破点,是首次把摩擦纳米发电技术应用于人机交互领域。传统的电容式传感器主要通过输入生物电来控制人机交互系统,信号较弱,容易被噪音弱化。重庆大学科研团队研发的新型传感器主要通过眨眼引起皮肤微小运动的自驱动控制,其所传递的信号是电容式的750倍。胡陈果认为,这项研究实现了利用感官和外界进行交流,将极大地促进人工智能的发展。
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