盲人可以通过盲文或读屏软件来学习理解文字内容，但目前缺乏帮助盲人有效学习和理解图形信息（例如数学中的几何知识、物理中的电路知识以及医学知识中的经络分布等）的工具和设备。从触觉及触觉显示设备的视角，针对盲人的触觉认知研究，剖析了盲人对图形的触觉认知机理，设计开发了触觉图形显示终端设备，并通过用户实验，验证了该设备的易用性。该设备采用创新的结构设计，实现了良好的触觉认知体验和相对低廉的成本控制，不仅能够动态生成布莱尔盲文和丰富的触觉图形信息，而且可以作为盲人学习、工作与生活的有效工具。
Blind people can already use Braille to learn words, and also use voice-assisted software such as screen readers to communicate through voice. However, there is very limited tool to help the blinds learn and understand graphical information (Such as: geometric knowledge in mathematics, circuit knowledge in physics, and meridian distribution in medical knowledge). This research reviewed sense of touch and tactile displays, studied tactile cognition for blind people, and analyzed the mechanism of blind people's spatial tactile cognition. Then a graphical tactile display was designed and developed, followed by a set of user study to prove its usability. The device adopts an innovative structural design to achieve good tactile cognitive experience with low-cost integration. It not only can dynamically generate Braille and rich tactile graphical information, but also can be used as an effective learning tool.
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