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A 40-Gram Brake Returns the Grip Force

A magnetorheological hand exoskeleton rendered up to 21 newtons while keeping back-drive force near one newton.

Published Updated Story ID: mp-2026-11-10-017
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Summary

A magnetorheological hand exoskeleton rendered up to 21 newtons while keeping back-drive force near one newton.

The 39.8-gram brake spans 0.01 to 0.918 newton-meters. Users distinguished stiffness from force feedback alone; in a tele-grasp task with equal success, kinesthetic feedback cut contact force 28.2 percent against visual-only control.

Why it matters

A magnetorheological hand exoskeleton rendered up to 21 newtons while keeping back-drive force near one newton.

Limits and context

  • Users distinguished stiffness from force feedback alone; in a tele-grasp task with equal success, kinesthetic feedback cut contact force 28.2 percent against visual-only control.

Key claims

  1. A magnetorheological hand exoskeleton rendered up to 21 newtons while keeping back-drive force near one newton.

    Qualification: Users distinguished stiffness from force feedback alone; in a tele-grasp task with equal success, kinesthetic feedback cut contact force 28.2 percent against visual-only control.

    Evidence: source-2026-11-10-019

Sources

  1. arXiv preprint 2611.12130, original v1arXiv · primary research

Corrections

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