论文标题

对接触觉:通过接地和磨损的设备的动态组合扩展触觉的影响

Docking Haptics: Extending the Reach of Haptics by Dynamic Combinations of Grounded and Worn Devices

论文作者

Steed, Anthony, Friston, Sebastian, Pawar, Vijay, Swapp, David

论文摘要

接地的触觉设备可以提供各种力量,但工作量有限。可穿戴的触觉设备在大容量上运行,但在它们可以产生的刺激类型中相对限制。我们提出了对接触觉的概念,其中不同类型的触觉设备在运行时动态停靠。这创建了一个混合系统,潜在的反馈取决于用户的位置。我们显示了一个原型对接触觉工作空间,将接地的六个自由度反馈臂与手部外骨骼结合在一起。当它在接地设备的范围内时,我们能够在手上产生重量的感觉,但是远离接地设备,仍然可以使用手工引用的力反馈。一项用户研究表明,用户可以在使用对接触觉时成功区分重量,但仅与外骨骼有关。这样的混合系统将能够进一步更改配置,例如将两个接地设备停靠到一只手中,以交付两倍的力或扩展工作量。我们建议对接触觉概念可以扩展用户界面中触觉的实际实用性。

Grounded haptic devices can provide a variety of forces but have limited working volumes. Wearable haptic devices operate over a large volume but are relatively restricted in the types of stimuli they can generate. We propose the concept of docking haptics, in which different types of haptic devices are dynamically docked at run time. This creates a hybrid system, where the potential feedback depends on the user's location. We show a prototype docking haptic workspace, combining a grounded six degree-of-freedom force feedback arm with a hand exoskeleton. We are able to create the sensation of weight on the hand when it is within reach of the grounded device, but away from the grounded device, hand-referenced force feedback is still available. A user study demonstrates that users can successfully discriminate weight when using docking haptics, but not with the exoskeleton alone. Such hybrid systems would be able to change configuration further, for example docking two grounded devices to a hand in order to deliver twice the force, or extend the working volume. We suggest that the docking haptics concept can thus extend the practical utility of haptics in user interfaces.

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