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首页> 外文期刊>Journal of Biomechanics >Multiple-step model-experiment matching allows precise definition of dynamical leg parameters in human running
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Multiple-step model-experiment matching allows precise definition of dynamical leg parameters in human running

机译：多步骤的模型实验匹配可精确定义人体动态腿部参数

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摘要

The spring-loaded inverted pendulum (SLIP) model is a well established model for describing bouncy gaits like human running. The notion of spring-like leg behavior has led many researchers to compute the corresponding parameters, predominantly stiffness, in various experimental setups and in various ways. However, different methods yield different results, making the comparison between studies difficult. Further, a model simulation with experimentally obtained leg parameters typically results in comparatively large differences between model and experimental center of mass trajectories. Here, we pursue the opposite approach which is calculating model parameters that allow reproduction of an experimental sequence of steps. In addition, to capture energy fluctuations, an extension of the SLIP (ESLIP) is required and presented. The excellent match of the models with the experiment validates the description of human running by the SLIP with the obtained parameters which we hence call dynamical leg parameters.
机译：弹簧加载的倒立摆（SLIP）模型是一种成熟的模型，用于描述像人跑步一样的弹性步态。类似于弹簧的腿部行为的观念促使许多研究人员以各种实验设置和各种方式来计算相应的参数，主要是刚度。但是，不同的方法会产生不同的结果，因此很难进行研究之间的比较。此外，具有通过实验获得的腿部参数的模型仿真通常会导致模型与质量轨迹的实验中心之间存在较大差异。在这里，我们采用相反的方法，即计算允许重现实验步骤序列的模型参数。另外，为了捕获能量波动，需要并提供SLIP（ESLIP）的扩展。模型与实验的出色匹配，验证了SLIP对人的跑步行为的描述与获得的参数，因此我们将其称为动态腿部参数。

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