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Development of a reduced dynamic model for comfort evaluation of rail vehicle systems

机译：开发用于铁路车辆系统舒适性评估的简化动力学模型

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In this paper, an analytical reduced dynamic model of a rail vehicle system is developed. This model considers only 38 degrees of freedom of the rail vehicle system. This reduced model can predict the dynamic behaviour of the rail vehicle while being simpler than existing dynamic models. The developed model is validated using experimental results found in the bibliography and its results are compared with existing more complex models from the literature. The developed model is used for the passenger comfort evaluation, which is based on the value of the weighted root mean square acceleration according to the ISO 2631 standard. Several parameters of the system, i.e., passenger position, loading of the railway vehicle and its speed, and their effect on the passenger comfort are investigated. It was shown that the level of comfort is mostly affected by the speed of the railway vehicle and the position of the seat. The load, however, did not have a significant effect on the level of comfort of the passenger.
机译：在本文中，开发了铁路车辆系统的解析简化动力学模型。该模型仅考虑轨道车辆系统的38个自由度。这个简化的模型可以预测轨道车辆的动态行为，同时比现有的动态模型更简单。使用参考书目中的实验结果验证了开发的模型，并将其结果与文献中现有的更复杂的模型进行了比较。所开发的模型用于乘客舒适度评估，该模型基于根据ISO 2631标准的加权均方根加速度值。研究了该系统的几个参数，即乘客位置，铁路车辆的负载及其速度，以及它们对乘客舒适度的影响。结果表明，舒适程度主要受铁路车辆的速度和座椅位置的影响。然而，负荷对乘客的舒适度没有显着影响。

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