arXiv:2412.14762cs.ROcs.SY2024-12

让残障人士用简单动作控制复杂机器人,实现无缝融合。

A General Control Method for Human-Robot Integration

  • 将用户低维补偿动作映射为多自由度机器人指令
  • 实测中显著降低用户操作负担与不适感
  • 适用于假肢、额外肢体到远程机器人全场景

本文提出一种通用控制方法,用于帮助运动能力受限者操控多自由度辅助设备,如假肢、额外肢体乃至远程机器人化身。核心挑战在于如何将用户在低维空间的补偿性动作,有效映射至复杂的机器人系统。目标是构建人机一体化系统,使机器人能自主响应用户意图,精准到达目标的同时减少用户努力与不适。该框架可将用户的补偿动作转化为实现目标所需的机器人指令,并消除或减轻补偿行为。方法可扩展至任意自由度的假肢,直至完整机器人化身——即用户将其视为身体延伸但无物理连接,仅通过感觉-运动整合协同工作。已在模拟场景及真实测试中验证,使用虚拟孪生系统(含假肢与机器人)和实体人形机器人进行评估。

原文摘要 · Abstract (English)

This paper introduces a new generalized control method designed for multi-degrees-of-freedom devices to help people with limited motion capabilities in their daily activities. The challenge lies in finding the most adapted strategy for the control interface to effectively map user's motions in a low-dimensional space to complex robotic assistive devices, such as prostheses, supernumerary limbs, up to remote robotic avatars. The goal is a system which integrates the human and the robotic parts into a unique system, moving so as to reach the targets decided by the human while autonomously reducing the user's effort and discomfort. We present a framework to control general multi DoFs assistive systems, which translates user-performed compensatory motions into the necessary robot commands for reaching targets while canceling or reducing compensation. The framework extends to prostheses of any number of DoF up to full robotic avatars, regarded here as a sort of whole-body prosthesis of the person who sees the robot as an artificial extension of their own body without a physical link but with a sensory-motor integration. We have validated and applied this control strategy through tests encompassing simulated scenarios and real-world trials involving a virtual twin of the robotic parts (prosthesis and robot) and a physical humanoid avatar.

人机融合辅助机器人控制算法假肢

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