相关实验视频

Updated: Sep 16, 2025

Experimental Methods to Study Human Postural Control
08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

9.7K

设定特定人群的关节扭矩辅助要求的新方法,适用于外骨架设计

Stijn Hamelryckx, Christopher van Vlerken, Louis Flynn

    IEEE ... International Conference on Rehabilitation Robotics : [proceedings]
    |July 11, 2025
    PubMed
    概括

    本研究引入了一种使用最大自发收缩 (MVC) 来确定可穿戴机器人设备辅助需求的新方法. 它确定了20-25%的扭矩缺陷,这对于设计老年人有效的辅助外骨架至关重要.

    更多相关视频

    In vivo Measurement of Knee Extensor Muscle Function in Mice08:29

    In vivo Measurement of Knee Extensor Muscle Function in Mice

    Published on: March 4, 2021

    4.9K
    A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study06:58

    A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

    Published on: November 6, 2015

    9.6K

    相关概念视频

    Method of Joints: Problem Solving II01:30

    Method of Joints: Problem Solving II

    Consider a truss structure with frictionless joints fixed to a wall and roller support. If a force of 150 N is applied to joint A, the forces in each member of the truss can be determined using the method of joints.
    679
    Net Torque Calculations01:19

    Net Torque Calculations

    When a mechanic tries to remove a hex nut with a wrench, it is easier if the force is applied at the farthest end of the wrench handle. The lever arm is the distance from the pivot point (the hex nut in this case) to the person’s hand. If this distance is large, the torque is higher. Only the component of the force perpendicular to the lever arm contributes to the torque. Therefore, pushing the wrench perpendicular to the lever arm is more advantageous. If multiple people apply force to...
    9.7K
    General Case of Eccentric Axial Loading01:12

    General Case of Eccentric Axial Loading

    Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
    Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
    249
    Work and Energy for Variable Forces01:10

    Work and Energy for Variable Forces

    When an object is acted upon by a variable force, the amount of work done and the change in energy of the object can be more complex to calculate compared to when a constant force is applied. Work is the product of force and displacement, while energy is the capacity of a system to do work. When a constant force is applied to an object, the work done can be calculated as the product of the force and the distance moved in the direction of the force. However, when a variable force is applied, the...
    3.9K
    Three-Dimensional Force System:Problem Solving01:30

    Three-Dimensional Force System:Problem Solving

    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...
    864
    Transmission Shafts: Problem Solving01:09

    Transmission Shafts: Problem Solving

    Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
    Next, use bending moment diagrams for the shaft to...
    294