一个2度自由度假肢装置的模式识别控制
概括
针对肌电假肢的新型减少接触模式识别 (RC-PR) 系统,与传统的幅度和值控制 (ATC) 相比,为跨辐射肢体损失患者提供了更好的控制. 由于其直观的操作和改善的功能结果,RC-PR更受青.
科学领域:
- 生物医学工程 生物医学工程
- 康复科学 康复科学 康复科学
- 假肢和整形手术
背景情况:
- 超辐射肢体损失的肌电假肢通常使用振幅和值控制 (ATC) 或模式识别 (PR).
- 虽然ATC是常见的,但对于复杂的多度自由度任务,它可能不那么直观.
- 模式识别 (PR) 使用机器学习来解释肌肉激活模式,以获得更自然的控制.
研究的目的:
- 评估一种新的减少接触模式识别 (RC-PR) 系统,与具有速度敏感切换的传统空中管制相比.
- 为了比较RC-PR和ATC之间的功能结果,手动敏捷性和用户感知.
主要方法:
- 一个随机交叉试验涉及四名参与者与跨辐射肢体损失.
- 参与者使用了一个由RC-PR和ATC系统控制的两度自由度假肢.
- 标准化测试 (盒子和块,衣索搬迁) 和问卷 (AM-ULA,ACMC,用户感知控制) 评估了表现和满意度.
主要成果:
- 该RC-PR系统在所有评估的功能指标和手工灵活性测试中表现出卓越的性能.
- 参与者压倒性地更喜欢RC-PR系统,因为它具有更直观的控制.
- 用户满意度和感知到的控制能力在RC-PR.使用时显著更高.
结论:
- 减少接触模式识别 (RC-PR) 与肌电假肢的传统幅度和值控制 (ATC) 相比,具有显著的优势.
- 通过RC-PR提高了跨辐射肢体损失的个体的功能结果和用户满意度.
- RC-PR为先进的假肢控制提供了一个有希望的,更直观的替代方案.
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