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Continuous Closed-Loop 4-Degree-of-Freedom Holdable Haptic Guidance | IEEE Journals & Magazine | IEEE Xplore

Continuous Closed-Loop 4-Degree-of-Freedom Holdable Haptic Guidance


Abstract:

Haptic guidance can be beneficial for aiding or training human users in many applications, such as teleoperation, rehabilitation, and navigation. Existing world-grounded ...Show More

Abstract:

Haptic guidance can be beneficial for aiding or training human users in many applications, such as teleoperation, rehabilitation, and navigation. Existing world-grounded haptic devices can provide effective multi-degree-of-freedom movement guidance. Wearable or holdable haptic devices can enable larger workspaces and unencumbered movement, but their use in guidance beyond one or two degrees of freedom has been limited. A holdable haptic device, called the Pantogripper, was previously presented in a study demonstrating its intuitive, directional guidance cues in four separate degrees of freedom. Here, using the same device, we present a controller for providing continuous closed-loop guidance for path following. In a human study, participants followed translation and rotation guidance from the device to successfully traverse three 3D paths with either no visual feedback or only a visual preview of the paths. Results indicate promise for holdable haptic devices to effectively provide high-degree-of-freedom movement guidance when visual guidance is unavailable or unsuitable.
Published in: IEEE Robotics and Automation Letters ( Volume: 5, Issue: 4, October 2020)
Page(s): 6853 - 6860
Date of Publication: 01 September 2020

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