While simulations of the measured biodynamic responses of the whole human body or body segments to vibration are conventionally interpreted as summaries of biodynamic measurements, and the resulting models are considered quantitative, this study looked at these simulations from a different angle: model calibration. The specific aims of this study are to review and clarify the theoretical basis for model calibration, to help formulate the criteria for calibration validation, and to help appropriately select and apply calibration methods. In addition to established vibration theory, a novel theorem of mechanical vibration is also used to enhance the understanding of the mathematical and physical principles of the calibration. Based on this enhanced understanding, a set of criteria was proposed and used to systematically examine the calibration methods. Besides theoretical analyses, a numerical testing method is also used in the examination. This study identified the basic requirements for each calibration method to obtain a unique calibration solution. This study also confirmed that the solution becomes more robust if more than sufficient calibration references are provided. Practically, however, as more references are used, more inconsistencies can arise among the measured data for representing the biodynamic properties. To help account for the relative reliabilities of the references, a baseline weighting scheme is proposed. The analyses suggest that the best choice of calibration method depends on the modeling purpose, the model structure, and the availability and reliability of representative reference data.

中文翻译：

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使用频率响应函数校准人体振动模型的理论基础、方法和标准

虽然对整个人体或身体部位对振动的测量生物动力学响应的模拟通常被解释为生物动力学测量的总结，并且所得模型被认为是定量的，但本研究从不同的角度看待这些模拟：模型校准。The specific aims of this study are to review and clarify the theoretical basis for model calibration, to help formulate the criteria for calibration validation, and to help appropriately select and apply calibration methods. 除了已建立的振动理论外，还使用了新的机械振动定理来增强对校准的数学和物理原理的理解。基于这种加深的理解，提出了一套标准并用于系统地检查校准方法。除了理论分析外，考试中还使用了数值测试方法。该研究确定了每种校准方法的基本要求，以获得独特的校准解决方案。该研究还证实，如果提供足够多的校准参考，该解决方案将变得更加稳健。然而，实际上，随着更多参考的使用，用于表示生物动力学特性的测量数据之间会出现更多的不一致。为了帮助说明参考文献的相对可靠性，提出了一种基线加权方案。分析表明，校准方法的最佳选择取决于建模目的、模型结构、