虚拟现实的内涵及触觉演绎技法

The Connotation of Virtual Reality and the Deductive Techniques of Tactile

虚拟现实融合了视觉、听觉以及触觉等感官刺激，是一种可以让人们体验虚拟空间并与之交互的三维环境模拟系统，是最为完美的艺术表达形式。虚拟现实环境中，使用者如同身历其境一般，可以即时、没有限制地观察和感知三维空间内的事物对象，带来梦幻般的多感官体验。此文浅析了虚拟现实的概念和内涵、技术特点、发展趋势，以及触觉交互对于虚拟现实的意义和价值，在此基础上，重点阐述了电触觉、振动触觉、气动触觉及射流触觉等技术手段的特点及演绎技法。

Virtual Reality, the interactive 3D simulation system in which people can experience virtual space, is a perfect rendering format of art deduction. which has combined visual, aural and tactile sensation. In VR environment, users can instantly observe and perceive the 3D objects in real time without restriction, which brings them the dreamy multisensory experiences. This article briefly introduces the concept, connotation, technical features, developmental trends of VR, and the meaning and value of haptic interaction to VR as well. With this basis, the features and deductive methods of electro-tactile, vibration tactile, pneumatic tactile and water-jet tactile are introduced.