距离对轮性能的影响:对轻量级3D打印的环状驱动器进行优化研究
Isha Nafisa Quazi1, Hanie Nadia Shasmin1, Nooranida Arifin1
1Centre for Applied Biomechanics, Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, Malaysia.
概括
这项关于用于机器人假肢的3D打印环状驱动器的研究发现,0.3mm的清除提供了最佳的振动性能. 较低的空隙在高速时增加了变异,而较高的空隙导致了过度的噪音和振动.
科学领域:
- 生物医学工程 生物医学工程
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
背景情况:
- 在假肢中向3D打印的转变需要了解组件性能.
- 环状驱动器对于机器人假肢至关重要,因为它们的扭矩密度和低反射.
- 尽量减少假肢中的振动,提高了用户的舒适度和设备的寿命.
研究的目的:
- 为了研究3D打印的环状驱动器中不同清除值对振动行为的影响.
- 为了优化机器人假肢应用的振动性能,特别是膝关节.
- 为了确定高精度假肢应用的理想空隙.
主要方法:
- 在3D打印的环状驱动器中测试了三个清除值 (0.2,0.3,0.5mm).
- 使用不同速度和负载条件的基板测试.
- 使用ANOVA和时间频率分析分析了陀螺仪数据.
主要成果:
- 0.2毫米的空隙显示出高差异和缩的低速振动,危及应力和磨损.
- 0.3毫米的空隙显示出平衡的性能,最小的差异和均的能量分布.
- 0.5毫米的空隙导致了不稳定的行为,过度的振动和机械噪音.
结论:
- 对于3D打印的环状驱动器在机器人假肢等高精度应用中,0.3毫米的空隙是最佳的.
- 清除显著影响振动特性,影响假肢的功能和耐用性.
- 这些发现指导了为先进的假肢设计选择最佳参数.
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