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引用次数: 0
摘要
蜗牛 "是一种可穿戴的触觉界面，能让用户在虚拟现实中抓取物体时体验力反馈。它由一个 3D 打印的道具组成，该道具连接在拇指尖上，通过一个小型致动器可以旋转。该道具的形状像一只蜗牛，可根据方向显示不同的抓取大小，从到 ，不等。该道具可以显示力反馈，因此可以使用小巧、低功耗的致动器显示手指间的力。当道具保持静止时，可以呈现非常坚硬的物体，但当用户抓握道具时发生旋转，也可以模拟柔软的物体。蜗牛由三维打印部件制成，便于携带，成本低，易于复制。该装置的设计和性能通过技术评估和 3 个用户实验进行了评估。实验结果表明，参与者可以通过界面分辨不同的抓握尺寸和柔软度。与标准振动反馈相比，蜗牛还增强了虚拟现实中的用户体验和性能。
The Snail: A Wearable Actuated Prop to Simulate Grasp of Rigid and Soft Objects in Virtual Reality.
The Snail is a wearable haptic interface that enables users to experience force feedback when grasping objects in Virtual Reality. It consists of a 3D-printed prop attached to the tip of the thumb that can rotate thanks to a small actuator. The prop is shaped like a snail to display different grasping sizes, ranging from to , according to its orientation. The prop displays the force feedback, so forces over can be displayed between fingers using small and low-power actuation. Very rigid objects can be rendered when the prop remains static, but rotations when the users grasp the prop also allow for the simulation of soft objects. The Snail is portable, low-cost, and easy to reproduce because it is made of 3D-printed parts. The design and performance of the device were evaluated through technical evaluations and 3 user experiments. They show that participants can discriminate different grasping sizes and levels of softness with the interface. The Snail also enhances user experience and performances in Virtual Reality compared to standard vibration feedback.
期刊介绍：
IEEE Transactions on Haptics (ToH) is a scholarly archival journal that addresses the science, technology, and applications associated with information acquisition and object manipulation through touch. Haptic interactions relevant to this journal include all aspects of manual exploration and manipulation of objects by humans, machines and interactions between the two, performed in real, virtual, teleoperated or networked environments. Research areas of relevance to this publication include, but are not limited to, the following topics: Human haptic and multi-sensory perception and action, Aspects of motor control that explicitly pertain to human haptics, Haptic interactions via passive or active tools and machines, Devices that sense, enable, or create haptic interactions locally or at a distance, Haptic rendering and its association with graphic and auditory rendering in virtual reality, Algorithms, controls, and dynamics of haptic devices, users, and interactions between the two, Human-machine performance and safety with haptic feedback, Haptics in the context of human-computer interactions, Systems and networks using haptic devices and interactions, including multi-modal feedback, Application of the above, for example in areas such as education, rehabilitation, medicine, computer-aided design, skills training, computer games, driver controls, simulation, and visualization.
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