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首页> 外文会议>ASME international mechanical engineering congress and exposition >AN INNOVATIVE MICRO ACTUATOR USING ELECTRO RHEOLOGICAL FLUID TECHNOLOGY FOR VISUALLY IMPAIRED TACTILE DISPLAY INFORMATION TECHNOLOGY ACCESS APPLICATIONS
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AN INNOVATIVE MICRO ACTUATOR USING ELECTRO RHEOLOGICAL FLUID TECHNOLOGY FOR VISUALLY IMPAIRED TACTILE DISPLAY INFORMATION TECHNOLOGY ACCESS APPLICATIONS

机译：利用电子流变技术创新的微致动器，用于视力不佳的触觉显示信息技术的访问应用

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This paper presents the research has been undertaken, to design and develop a micro actuator using electro rheological fluid technology, for visually impaired tactile display information technology, access applications. The micro actuator consists of a small cylinder made of ABS plastic material with 1.5 mm diameter and 10 mm long. The inner surface of the cylinder is coated by nickel using electroless coating process. A coaxial conducting rod of 1.02 mm diameter and 10 mm long is fitted vertically in the centre of the cylinder. The coated surface is used as first electrode and the coaxial conducting rod used as a second electrode, to form the micro actuation high voltage area. The microactuator structure has been used to develop a tactile display of a large scale in a matrix form of 124×4 actuators. An advanced software tools and embedded system based on voltage matrix manipulation has been developed to provide the display the near real time control. The new micro actuator development process, software control tools and actual developed prototype is presented in this paper. Prototype size 124×4 micro actuators, on a matrix form, with a separation distance of 2.54 mm, was manufactured. The experimental tests carried out into the prototype showed that each micro actuator was able to provide a vertical movement of 0.7 mm and a vertical holding force of 100 to 200mN. These results meet the necessary standard requirement of Braille applications. Stroke and dynamic response test showed the practicability of the developed micro actuator for electronic refreshable high resolution graphical tactile display, for visually impaired and blind information technology access applications.
机译：本文介绍了已经进行的研究，以设计和开发一种使用电流变液技术的微型致动器，用于视觉受损的触觉显示信息技术的访问应用。微型执行器由一个小圆柱体构成，该圆柱体由ABS塑料制成，直径为1.5毫米，长为10毫米。圆柱体的内表面使用化学镀工艺镀镍。直径1.02毫米，长10毫米的同轴导电棒垂直安装在圆柱体的中心。涂覆的表面用作第一电极，同轴导电棒用作第二电极，以形成微致动高压区域。微致动器结构已经被用于以124×4个致动器的矩阵形式开发大规模的触觉显示器。已经开发了基于电压矩阵操纵的高级软件工具和嵌入式系统，以提供接近实时的显示控制。本文介绍了新的微执行器开发过程，软件控制工具和实际开发的原型。以矩阵形式制造了间距为2.54 mm的原型尺寸为124×4的微型执行器。对原型进行的实验测试表明，每个微型执行器都能提供0.7 mm的垂直运动和100至200mN的垂直保持力。这些结果符合盲文应用程序的必要标准要求。行程和动态响应测试表明，所开发的微执行器适用于可刷新的高分辨率电子图形触觉显示器，适用于视障人士和盲人信息技术访问应用。

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