基于IMU的任意连接的联合轴识别方法在OpenSim中 - 一个模拟研究研究.
Iris Wechsler1, Julian Shanbhag2, Sandro Wartzack2
1Engineering Design, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 9, 91058, Erlangen, Germany. wechsler@mfk.fau.de.
BMC biomedical engineering
|November 22, 2025
概括
本研究提出了一种分析方法,用于准确识别肌肉骨模拟中的关节轴,使用OpenSim. 该方法可靠地确定固定和移动的关节旋转中心,即使有杂的运动数据.
科学领域:
- 生物力学 生物力学
- 计算建模 计算建模
- 肌肉骨模拟系统的模拟
背景情况:
- 个性化关节轴对于准确的肌肉骨模拟至关重要.
- 当前的方法在确定关节旋转中心方面可能存在局限性.
研究的目的:
- 在OpenSim中调查用于识别瞬间旋转轴的分析方法的准确性和性能.
- 评估该方法对固定和移动联合中心的适用性.
主要方法:
- 使用相对线性和角速度数据计算即时旋转中心.
- 将该方法应用于双摆形模型和肌肉骨模型中的部/膝关节.
- 用无噪声和有噪声的合成运动数据测试了该方法.
主要成果:
- 分析方法通过无噪声数据准确地确定了联合旋转中心.
- 噪音数据需要过或优化,以准确确定旋转中心.
- 这种方法成功地确定了任意关节的旋转中心.
结论:
- 开发的分析方法提高了肌肉骨模拟的准确性.
- 这种方法是多功能,适用于固定和移动的关节旋转中心.
- 它比生物机械模拟中常用的方法更先进.
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