A research on development of senses presentation interface and its application to virtual reality practice teaching material

本研究的目的是开发多种感官呈现手段，以提高学生对虚拟现实实践的兴趣，培养学生的想象力和创造力，并使内容丰富。具体而言，开发了在传统的视觉和听觉之外还能呈现嗅觉和触觉的虚拟现实系统，并开发了可理解的实践教材。通过4年的研究，取得了以下成果。(1)We开发了一种不受限制的局部嗅觉显示，通过将一团有香味的空气从某个偏远的地方传送到用户的鼻子，并将气味呈现应用于电影。澄清了通过适当呈现气味改善了存在感，并且场景保留在记忆中等。(2)We开发了通过超声波弹性图像可视化人体分区内部的界面和通过触觉呈现装置显示分区硬度分布的Haptic Interface，并试制了基于人工肌肉的虚拟现实环境中的手套式简易力反馈系统。(3)We开发了虚拟大学校园或城镇的软件工具，并在其中进行了内部漫游。（4）利用上述开发工具开发了VR实用教材，并用于课堂教学。学生对这门课的评价大致是好的。

The purpose of this research is to develop various sense presentation means because it improves the desire for the student to be interested in the virtual reality practice, to develop one's imagination and creativity, and to make contents. To be specific, the virtual reality system that present sense of smell and the sense of touch in addition to the presentation of conventional sight and aural is developed, and a comprehensible practice teaching material is developed.We achieved the following results by the research on four years.(1)We developed an unencumbering, localized olfactory display by conveying a clump of scented air from a certain remote place to the user's nose, and applied the smell presentation to the movie. It was clarified that the presence improved by appropriately presenting the smell, and the scene was remaining in the memory, etc.(2)We developed the interface which visualizes the inside of human body division by ultrasonic elasticity image and the Haptic Interface displays hardness distribution of the division using the tactile sense presentation devices.Moreover, the glove type simple force feed-back system for VR environment using artificial muscle was made for trial purposes.(3)We developed the software tool which forms virtual university campus or town, and in which to walk the inside is possible(4)VR practical teaching material was developed using aforesaid developed tool, and it was used for the class. The evaluation for this class by the student is approximately good.