设计用于上肢肌肉康复训练的四杆机构:模拟研究

J. Quarnstrom, Y. Xiang
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引用次数: 0

摘要

本研究设计了一种带耦合器点的四杆机构,用于指导手臂运动训练进行肌肉力量康复。转动时,手抓住联轴器点。通过改变连杆点的相对位置和连杆机构的尺寸,连杆点可以产生不同形状的轨迹。旋转耦合器点用于引导使用者的手锻炼手臂肌肉进行康复。使用二维(2D)肌肉骨骼手臂模型来模拟手臂运动。采用逆动力学优化方法进行轨迹重建,确定关节力矩和肌肉力。研究了肾脏形状、心脏形状和编织形状等不同形状的耦合器点轨迹对特定肌肉力消耗的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design a Four-Bar Linkage for Upper Limb Muscle Rehabilitation Exercise: A Simulation Study
In this study, a four-bar linkage with coupler point is designed to guide the arm motion exercise for muscle strength rehabilitation. The hand grasps the coupler point during rotation. The coupler point can generate different shape of trajectories by changing the coupler point’s relative location and the linkage’s dimensions. The rotating coupler point is used to guide the user’s hand to exercise arm muscles for rehabilitation. A two-dimensional (2D) musculoskeletal arm model is used to simulate the arm motion. The inverse-dynamics-based optimization method is used for trajectory reconstruction to determine the joint torque and muscle forces. The effect of different shapes of coupler point trajectory on specific muscle force excise is investigated, such as kidney shape, heart shape, and woven shape trajectories.
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