在运动过程中通过下肢运动状态检测地面扰动
概括
这项研究引入了一种新的方法,用于检测老年人使用下肢外骨架数据检测地面干扰. 这种新型探测器通过准确识别行走时的平衡问题来改善跌倒预防.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 生物力学 生物力学
- 老年学是一门学科.
背景情况:
- 跌倒是老年人受伤的主要原因,通常是由于平衡反应延迟.
- 下肢外骨架可以通过检测和反应平衡障碍来帮助预防跌倒.
- 目前的检测方法,如全身角动量,对外骨的使用有局限性.
研究的目的:
- 开发和验证一款用于下肢外骨架的新型地面扰动探测器.
- 为了提高准确性和减少平衡干扰识别的检测延迟.
- 为了提高机器人辅助外骨架的可控性和有效性.
主要方法:
- 开发了一种使用下肢运动状态在运动过程中的新型探测器.
- 从名义轨迹跟踪运动状态的偏差,以识别扰动.
- 优化了探测器使用数据驱动方法与开源生物力学数据集.
主要成果:
- 这种新型探测器在区分扰动和不扰动的步态周期方面达到95.5%的准确性.
- 在步行周期内,检测延迟为33.1%,明显超过了基准.
- 该模型在检测准确度方面表现比基准高49.4%.
结论:
- 开发的基于动态的扰动探测器显示出对外骨应用的重大前景.
- 这项技术可以提高老年人机器人辅助设备的安全性和有效性.
- 进一步的研究可以探索真实世界的落地缓解策略的实施.
相关概念视频
01:28Muscles of the Leg that Move the Foot and Toes
The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.
01:08Reflex Activity
A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...