Wearable Suction Haptic Display with Spatiotemporal Stimulus Distribution on a Finger Pad

Wearable Suction Haptic Display with Spatiotemporal Stimulus Distribution on a Finger Pad
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可穿戴式吸力触觉显示器,可在指垫上进行时空刺激分布

DOI:
10.1109/whc.2019.8816156
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发表时间:
2019
期刊:
Proc. of 2019 IEEE World Haptics Conference
影响因子:
--
通讯作者:
Tadokoro Satoshi
Tadokoro Satoshi
中科院分区:
--
文献类型:
--
作者:
Nagano Hikaru;Sase Kazuya;Konyo Masashi;Tadokoro Satoshi

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指垫上的刺激分布在动态交互期间动态变化,例如操纵或处理对象。这是由施加在指垫上的力的大小和方向以及所处理的材料的弹性引起的。过去的几项研究提出了可穿戴的触觉系统。然而,在指垫上产生分布式刺激(多自由度刺激)还没有实现。在这里,我们提出了一种用于指垫上的刺激分布的渲染系统。该系统由一个多通道吸力显示器和一个实时模拟器组成,前者向指垫皮肤提供分布的刺激,后者在与弹性物体接触时计算指垫上的动态压力分布。开发的显示器具有良好的穿戴性能,重量轻(5g),紧凑,因为尽管有多个输出(16个吸口),但它的指尖上没有执行器。我们使用所提出的系统进行了两个不同的实验。这些实验证明,根据手指与物体之间的接触姿势,可以呈现不同的刺激分布(实验1),并且可以用不同的弹性值来呈现虚拟材料的柔软度(实验2)。
Stimulus distribution on a finger pad dynamically changes during dynamic interactions such as manipulation or handling of an object. This is caused by the magnitude and direction of the applied force on the finger pad and the elasticity of materials handled. Several past studies proposed wearable tactile systems. However, generation of distributed stimuli on a finger pad (multiple degrees of freedom stimulation) has not yet been achieved. Herein, we propose a rendering system for stimulus distribution on a finger pad. The proposed system consists of a display using multi-channel suction that presents distributed stimuli to a finger pad skin, and a real-time simulator that calculates dynamic pressure distribution on the finger pad when in contact with an elastic object. The developed display has good wearability as lightweight (5 g) and compact because it does not have an actuator on the fingertip in spite of multiple outputs (16 suction ports). We performed two different experiments using the proposed system. These experiments proved that it is possible to present different stimulus distribution depending on the contact posture between a finger and an object (experiment 1) and to present the softness of the virtual material with different elasticity values (experiment 2).
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