论文标题

基于双向织物的婴儿肩膀的气动执行器:设计和比较运动学分析

A Bidirectional Fabric-based Pneumatic Actuator for the Infant Shoulder: Design and Comparative Kinematic Analysis

论文作者

Sahin, Ipsita, Dube, Jared, Mucchiani, Caio, Karydis, Konstantinos, Kokkoni, Elena

论文摘要

本文介绍了基于织物的软气动执行器的设计和评估,其驱动要求较低,使其适用于婴儿的上肢辅助设备。目的是支持肩部绑架和内收,而无需禁止在其他平面上运动或阻塞肘关节运动。首先,通过模拟探索了具有内部空气电池的执行器设计家族的性能。执行器通过细胞数量及其宽度进行参数化。通过硬件实验进一步测试了通过模拟鉴定的物理可行的致动器变体。根据婴儿的身体人类测量法选择了两种设计并在定制的物理模型上进行了测试。施加施加手臂的力,运动平滑度,路径长度和最大肩部角度的比较,请告知哪种设计更适合用作儿科可穿戴辅助设备的执行器,以及其他用于将来工作的见解。

This paper presents the design and assessment of a fabric-based soft pneumatic actuator with low pressurization requirements for actuation making it suitable for upper extremity assistive devices for infants. The goal is to support shoulder abduction and adduction without prohibiting motion in other planes or obstructing elbow joint motion. First, the performance of a family of actuator designs with internal air cells is explored via simulation. The actuators are parameterized by the number of cells and their width. Physically viable actuator variants identified through the simulation are further tested via hardware experiments. Two designs are selected and tested on a custom-built physical model based on an infant's body anthropometrics. Comparisons between force exerted to lift the arm, movement smoothness, path length and maximum shoulder angle reached inform which design is better suited for its use as an actuator for pediatric wearable assistive devices, along with other insights for future work.

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