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首页> 外文会议>IEEE International Workshop on Metrology for Industry 4.0 and IoT >FEM deformation analysis of a transtibial prosthesis fed with gait analysis data: A preliminary step towards restoring proprioception in amputees
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FEM deformation analysis of a transtibial prosthesis fed with gait analysis data: A preliminary step towards restoring proprioception in amputees

机译：具有步态分析数据饲喂的抗静性假体的FEM变形分析：逐步恢复随意恢复原虫的步骤

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The lack of proprioception in patients with lower limb amputation is a major impairment affecting balance and metabolic consumption, and increases the risk of falling of amputees. As of today, several methods have been considered to restore this capacity, mainly involving the use of force sensing resistors and vibrotactile feedback systems. This study explores the possibility to use an elastomeric sensor filled with conductive liquid as a strain sensor to obtain proprioceptive data from the prosthesis during the gait cycle. A FEM simulation was carried out to study the deformation of a transtibial prosthesis, in order to identify the point of maximum deformation for the sensor application. Both the static and the dynamic analyses identify a frontal area in the ankle region with a maximum value of 0.02 m/m, at the intersection of leg and foot. Results are therefore encouraging for the future application of an elastomeric strain sensor in the indicated area.
机译：肢体截肢患者缺乏血目为现是影响平衡和代谢消费的重大损害，并提高了随意下降的风险。 截至目前，已考虑若干方法恢复该容量，主要涉及使用力传感电阻和振动反馈系统。 该研究探讨了使用作为应变传感器填充有导电液体的弹性体传感器的可能性，以在步态循环期间从假体中获得来自假体的预型数据。 进行了一个有限元模拟，以研究抗静性假体的变形，以识别传感器应用的最大变形点。 静态和动态分析都识别脚踝区域的踝部区域中的正面区域，在腿部和脚的交叉处具有0.02米/米的最大值。 因此，结果令人鼓舞的是未来在所示区域中施加弹性体应变传感器。

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