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Design Example: Resistive Touchscreen

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...

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Updated: Sep 9, 2025

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

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Published on: February 1, 2016

具有沉浸式虚拟现实高准确度触觉染的合规弹性电极执行器

Yunfei Bai¹, Haolong Zhang¹, Dongkai Wang¹

¹Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.

ACS applied materials & interfaces

|September 1, 2025

概括

新的可穿戴触觉执行器为沉浸式虚拟现实 (VR) 提供了更高的电压效率和触觉真实性. 这些先进的执行器增强了虚拟现实应用中的用户体验,从而实现了真实的虚拟交互.

科学领域:

材料科学与工程
机器人和计算机之间的互动

背景情况:

高性能可穿戴触觉执行器对于沉浸式虚拟现实 (VR) 至关重要,但在电压效率,低电压操作和触觉真实性方面面临挑战.
现有的解决方案经常存在皮肤设备的机械不匹配和能源效率低下的问题.

研究的目的:

开发新型可穿戴弹性电器驱动器,以克服当前可穿戴触觉技术的局限性.
提高触觉真实性和能源效率, 改善VR体验.

主要方法:

使用和聚二甲基 (PDMS) 纳米复合材料与液体金属 (LM) 电极的执行器的制造.
在合热电场下进行参数极化优化.
浸泡涂层制造用于皮肤上的整合.

主要成果:

执行器表现出低值电压 (38.2V) 和高振动输出 (381nN/V),性能优于常规介电弹性体 (DE) 和液压放大式电 (HAXAEL) 执行器.
合规集成实现了119.9%的位移增强,并保持了千赫兹范围的波形忠实性.
在远程字符传输中高精度 (95.4%) 和在VR环境中91.2%的纹理区别.

结论:

开发的执行器显著提升了沉浸式VR应用的可穿戴触觉.

关键词:

合规电子产品弹性纳米复合材料电器执行器纹理染虚拟现实

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这项技术可以实现真实的虚拟纹理染,技能培训和远程存在.

这些执行器弥合了可穿戴触觉和沉浸式虚拟现实之间的差距,