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Technical note: a novel servo-driven dual-roller handrim wheelchair ergometer.
IEEE Transactions on Neural Systems and Rehabilitation Engineering ( IF 4.8 ) Pub Date : 2020-02-11 , DOI: 10.1109/tnsre.2020.2965281
R de Klerk , R J K Vegter , H E J Veeger , L H V van der Woude

The measurement of handrim wheelchair propulsion characteristics and performance in the field is complicated due to the non-stationary nature of wheelchair driving. In contrast, the laboratory provides a constrained and standardisable environment to conduct measurements and experiments. Apart from wheelchair treadmills, dynamometers or ergometers for handrim wheelchairs are often custom-made, one-of-a-kind, expensive, and sparsely documented in the research literature. To facilitate standardised and comparable lab-based measurements in research, as well as in clinical settings and adapted sports, a new wheelchair ergometer was developed. The ergometer with instrumented dual rollers allows for the performance analysis of individuals in their personal handrim wheelchair and facilitates capacity assessment, training and skill acquisition in rehabilitation or adapted sports. The ergometer contains two servomotors, one for each rear wheel roller, that allow for the simulation of translational inertia and resistive forces as encountered during wheelchair propulsion based on force input and a simple mechanical model of wheelchair propulsion. A load cell configuration for left and right roller enables the measurement of effective user-generated torque and force on the handrim and the concomitant timing patterns. Preliminary results are discussed.

中文翻译:

技术说明:新型伺服驱动双辊手轮轮椅测力计。

由于轮椅驾驶的非平稳性,因此在现场对手腕轮椅推进特性和性能的测量非常复杂。相反,实验室提供了一个受限且可标准化的环境来进行测量和实验。除轮椅跑步机外,用于手腕轮椅的测功机或测功机通常是定制的,是一种,价格昂贵,并且在研究文献中很少记录。为了在研究以及临床环境和适应性运动中促进标准化和可比较的基于实验室的测量,开发了一种新型轮椅测力计。带有双滚轮的测功机可以对个人坐在轮椅上的性能进行分析,并有助于进行容量评估,康复或适应性运动方面的培训和技能获取。测功计包含两个伺服电机,每个后轮辊一个,用于基于力输入和轮椅推进的简单机械模型来模拟轮椅推进期间遇到的平移惯性和阻力。左右滚轮的称重传感器配置可测量有效的用户产生的手腕上的扭矩和力以及相应的计时模式。讨论了初步结果。左右滚轮的称重传感器配置可测量有效的用户产生的手腕上的扭矩和力以及相应的计时模式。讨论了初步结果。左右滚轮的称重传感器配置可测量有效的用户产生的手腕上的扭矩和力以及相应的计时模式。讨论了初步结果。
更新日期:2020-04-22
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