一种低功耗的脚脚假肢,用于推卸增强
Alessandro Mazzarini1,2, Matteo Fantozzi3, Vito Papapicco1
1The BioRobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy.
Wearable technologies
|March 15, 2024
概括
这项研究介绍了一种用于被动脚脚假肢的低功耗活性假肢模块. 这种创新的设备增强了能量储存和回收,改善了截肢者的步态和推开功率.
科学领域:
- 生物医学工程 生物医学工程
- 假肢和整形手术
- 机器人技术 机器人技术 机器人技术
背景情况:
- 被动脚脚假肢缺乏自然截肢步行所需的发电.
- 现有的机器人假肢积极管理能量储存和释放.
- 恢复净正能量对于步态康复至关重要.
研究的目的:
- 为现成的被动储能释放 (ESAR) 假肢提出一个创新的低功耗主动假肢模块.
- 积极增加能量储存和控制能量回报,以改善推出.
- 调整控制策略以适应用户节奏和加载条件.
主要方法:
- 开发了一个低功耗的活性假肢模块,与现有的ESAR假肢平行放置.
- 利用并行弹性驱动来增加储存的能量和指挥能量回报.
- 实施适应性控制策略,以应对节奏和负载变化的变化.
- 在跑步机上行走时对两名横腿截肢者进行了早期验证.
主要成果:
- 在两名受试者中,峰部背部屈曲率增加了15.2%和41.6%.
- 在行走节奏中大约增加了2%.
- 观察到能量回报率显著增加 (26%和45%).
结论:
- 拟议的活性假肢模块有效地提高了被动假肢的能量储存和回报.
- 该系统显示了改善截肢者的步行动态和推开能力的潜力.
- 进一步的研究和开发可能会导致更自然,更有效的假肢.
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