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相关概念视频

Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

669
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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一个手腕外骨架的基于模拟的设计优化.

Juwairiya S Khan, Mostafa Mohammadi, John Rasmussen

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 12, 2023
    PubMed
    概括

    这项研究优化了上肢外骨架 (ULE) 设计,使用了循环内人模拟,结合扭矩弹来降低电机扭矩. 这种方法简化了康复机器人的设计过程,帮助日常生活活动.

    科学领域:

    • 康复机器人 康复机器人
    • 生物机械学是生物机械学.
    • 人与机器的互动 人与机器的互动

    背景情况:

    • 上肢外骨架 (ULEs) 对于帮助肢体控制受损的患者进行日常活动至关重要.
    • 传统的ULE设计涉及最终用户的反,这可能是耗时的.
    • 基于模拟的设计与人类在循环中的模型提供了一个潜在的解决方案来加速开发.

    研究的目的:

    • 为了优化上肢外骨手腕关节的设计.
    • 为了研究结合扭矩弹来补偿电机扭矩的有效性.
    • 在外骨架设计中展示人类循环模拟的好处.

    主要方法:

    • 使用一个人-在-循环模拟框架.
    • 采用多体建模来分析关节动态.
    • 专注于优化外骨手腕关节设计,使用扭转弹.

    主要成果:

    • 扭转弹有效地弥补了外骨手腕关节所需的电机扭矩.
    • 多体建模证实,扭转弹可以实现更小,更轻的电机.
    • 基于模拟的方法减少了设计周期和对物理原型的依赖.

    结论:

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    • 在ULE接头中集成扭矩弹是设计轻量化和紧型辅助设备的有效策略.
    • 人在循环模拟显著加速了康复外骨的设计和优化.
    • 这种方法提高了外骨的便利性和实用性,对于那些在日常生活活动中严重受损的人来说.