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Updated: Jul 4, 2025

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simMACT,一个软件演示器,以改进最大执行关节扭矩模拟用于人体工程学评估

Jonathan H Savin1,2, Nasser Rezzoug3,4

  • 1CPI Laboratory, Working Equipment Engineering Department, INRS, Vandoeuvre-lès-Nancy 54500, France.

Journal of biomechanical engineering
|February 6, 2024
PubMed
概括

本研究引入了一种使用区域位和肌肉骨模拟来准确估计生物机械风险评估的最大关节扭矩的新方法. 这种方法通过考虑所有姿势和人类肌肉骨特征来改进数字人体模型 (DHM) 软件.

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The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
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The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...
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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.
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Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
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