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Sweeping-responsive interface using the intrinsic polarity of magnetized micropillars for self-powered and high-capacity human-machine interaction
Nano Energy ( IF 16.8 ) Pub Date : 2022-08-04 , DOI: 10.1016/j.nanoen.2022.107671
Sen Ding , Mingrui Wang , Hao Yang , Fengming Hu , Ziyi Dai , Ming Lei , Qian Zhou , Dazhe Zhao , Yibo Gao , Junwen Zhong , Jianyi Luo , Bingpu Zhou

The rapid development of wearable tactile sensors in human-machine interaction (HMI) is revolutionizing the way that people communicate with intelligent terminals. Compared with “tapping”, another daily operation, “directional sweeping”, is rarely explored in tactile sensors for HMI due to the limits from device configuration. Herein, we designed and optimized the in-plane magnetized flexible micropillars as the self-powered interface that can perceive the sweeping with distinguishable signals according to the operation directions. Based on Faraday’s law of induction, the intrinsic magnetic polarity was applied as an avenue to rapidly produce diverse electromotive forces of “+ /-” and “-/+ ” through the bi-directional micropillar deformation. With the self-powered interface, several interesting HMI applications, e.g., smartphone page flip, Morse code communication, and game playing, were demonstrated via habitual finger sweeping with high efficiency, accuracy, intuitive experience, and control diversity. Furthermore, the unique behavior of “+ /-” and “-/+ ” enables the build-up of ternary system with broader command capacity of 3 n if n devices were integrated in parallel. Along with the merits such as high sensitivity, applicable diversity (humid condition), mechanical robustness, and coding accuracy, we believe that the study would bring inspiration of future HMI design for a more fascinating, effective and intelligent living.



中文翻译:

使用磁化微柱的固有极性的扫描响应界面,用于自供电和大容量人机交互

人机交互(HMI)中可穿戴式触觉传感器的快速发展正在彻底改变人们与智能终端的通信方式。与“轻敲”相比,另一种日常操作“定向扫描”,由于设备配置的限制,很少在人机界面的触觉传感器中进行探索。在此,我们设计并优化了平面内磁化柔性微柱作为自供电接口,可以根据操作方向感知具有可区分信号的扫描。基于法拉第感应定律,应用本征磁极性作为途径,通过双向微柱变形快速产生“+ /-”和“-/+”不同的电动势。通过自供电界面,几个有趣的 HMI 应用程序,例如智能手机翻页,摩尔斯电码交流和游戏玩法通过习惯性的手指扫动进行了演示,具有高效、准确、直观的体验和控制多样性。此外,“+ /-”和“-/+”的独特行为使得可以构建具有更广泛命令能力的三元系统3 n如果n 个设备并行集成。除了高灵敏度、适用多样性(潮湿条件)、机械鲁棒性和编码准确性等优点外,我们相信这项研究将为未来的 HMI 设计带来灵感,让生活更加迷人、有效和智能。

更新日期:2022-08-04
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