对叠加测试中的联合生物力学测量的合规性分析和影响
Callan M Gillespie1,2, Nicholas J Haas3, Tara F Nagle3
1Department of Biomedical Engineering and Lerner Research Institute, Cleveland Clinic Foundation, 2111 E 96th Street, Cleveland, OH 44106; Department of Applied Biomedical Engineering, Cleveland State University, 2111 E 96th Street, Cleveland, OH 44106.
Journal of biomechanical engineering
|May 9, 2025
概括
机器人测试中的系统合规性可能导致在测量带张力时出现重大错误,可能低估了50%以上的力量. 研究人员应该考虑这种合规性,以提高联合运动研究的准确性.
科学领域:
- 生物力学 生物力学
- 整形外科的研究研究.
- 机器人技术在医学中的应用
背景情况:
- 叠加原理被广泛用于测量带对关节运动的贡献.
- 这种方法涉及使用机器人系统比较带切割前后的关节力.
- 忽视机器人系统的合规性可能会导致不准确的力测量.
研究的目的:
- 在叠加测试中数学建模系统合规性对定位错误的影响.
- 在典型的机器人测试系统中量化组件的合规性.
- 开发一个框架来评估已发表的基于叠加的力测量的不确定性,特别是对于前十字带 (ACL).
主要方法:
- 导出系统刚性模型 (SSM) 来分析合规的影响.
- 机器人测试系统组件和生物关节的刚度的量化.
- 分析不同硬度值如何影响带张力和硬度测量.
主要成果:
- 系统合规导致叠加方法低估了带的张力和硬度.
- 带负荷误差可以超过50%,机器人/骨硬度下降或关节硬度增加.
- 由此衍生的SSM解释了因合规而导致的错误机制.
结论:
- 实验人员必须最大限度地提高测试系统组件的度相对于关节的度.
- 在测试系统组件中,对符合性诱导的偏移进行补偿至关重要.
- 准确测量带力需要解决机器人测试设置中的系统合规性.
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