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Shiftly: A Novel Origami Shape-Shifting Haptic Device for Virtual Reality.

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    IEEE Transactions on Visualization and Computer Graphics
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    Shiftly, a novel shape-shifting haptic device, offers realistic touch feedback for virtual reality by changing its shape. It effectively renders flat and convex virtual objects, enhancing immersion in virtual environments.

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    Area of Science:

    • Human-Computer Interaction
    • Robotics
    • Virtual Reality

    Background:

    • Virtual reality (VR) enhances immersion through sensory feedback.
    • Haptic devices provide touch sensations, crucial for realistic VR experiences.
    • Existing haptic technologies often lack the ability to render diverse object geometries.

    Purpose of the Study:

    • To introduce Shiftly, a novel shape-shifting haptic device for VR.
    • To evaluate Shiftly's capability in approximating various virtual object shapes.
    • To assess the realism of haptic feedback provided by Shiftly.

    Main Methods:

    • Designed Shiftly using three actuators and three curved origamis for shape-shifting.
    • Developed a kinematic model for the device.
    • Integrated Shiftly into VR setups for haptic rendering.
    • Conducted two user studies to evaluate shape approximation and haptic realism.

    Main Results:

    • Shiftly realistically rendered flat surfaces, convex shapes, and edge geometries.
    • The device demonstrated effectiveness in approximating different shapes without visual cues.
    • User study results confirmed the plausibility of haptic feedback for specific geometries.

    Conclusions:

    • Shiftly offers a viable solution for rendering plausible haptic feedback in VR.
    • The device shows promise for enhancing user interaction with virtual objects.
    • Further development may improve rendering of concave surfaces and fine details.