The tool for wheel profile wear research from the track composition point of view

PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOSCIENCE, BIOTECHNOLOGY, AND BIOMETRICS 2019 Pub Date : 2019-12-23 DOI:10.1063/1.5140865

Vladimír Hauser, A. Pavlik, Mária Loulová, O. Potapenko

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Abstract

The wheel profile of a rail vehicle is one of the key elements on which its ride dynamics depend. Even small changes in the wheel tread geometry resulting from its gradual wearing can significantly affect not only passenger comfort, but also result in a change in vehicle behavior when running on a straight track, and when running through a track curve, there is a significant change in the forces acting in the wheel-rail contact. The aim of the authors is to clarify the causes of wear by using simulation analysis of a vehicle ride and subsequent processing of the results in their own software, allowing to plot various parameters of the wheel-rail contact in relation to their location on the wheel profile. The value of the presented parameters is also interpreted in relation to the radius of the curve of the track where they occurred. The paper describes software designed by the authors as a tool for research of causes of wear, presents used algorithms and mathematical-analytical apparatus.The wheel profile of a rail vehicle is one of the key elements on which its ride dynamics depend. Even small changes in the wheel tread geometry resulting from its gradual wearing can significantly affect not only passenger comfort, but also result in a change in vehicle behavior when running on a straight track, and when running through a track curve, there is a significant change in the forces acting in the wheel-rail contact. The aim of the authors is to clarify the causes of wear by using simulation analysis of a vehicle ride and subsequent processing of the results in their own software, allowing to plot various parameters of the wheel-rail contact in relation to their location on the wheel profile. The value of the presented parameters is also interpreted in relation to the radius of the curve of the track where they occurred. The paper describes software designed by the authors as a tool for research of causes of wear, presents used algorithms and mathematical-analytical apparatus.

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从轨迹组成的角度对刀具的车轮齿形磨损进行了研究

轨道车辆的车轮外形是影响其行驶动力学的关键因素之一。即使车轮胎面几何形状的微小变化，由于其逐渐磨损，不仅会显著影响乘客的舒适度，而且还会导致车辆在直线轨道上行驶时的行为发生变化，当通过轨道曲线时，作用在轮轨接触中的力也会发生显著变化。作者的目的是通过使用车辆行驶的模拟分析和随后在他们自己的软件中处理结果来澄清磨损的原因，允许绘制轮轨接触的各种参数与其在车轮轮廓上的位置有关。所提出的参数的值也被解释为与它们发生的轨迹曲线的半径有关。本文介绍了作者设计的用于研究磨损原因的软件，介绍了所使用的算法和数学分析装置。轨道车辆的车轮外形是影响其行驶动力学的关键因素之一。即使车轮胎面几何形状的微小变化，由于其逐渐磨损，不仅会显著影响乘客的舒适度，而且还会导致车辆在直线轨道上行驶时的行为发生变化，当通过轨道曲线时，作用在轮轨接触中的力也会发生显著变化。作者的目的是通过使用车辆行驶的模拟分析和随后在他们自己的软件中处理结果来澄清磨损的原因，允许绘制轮轨接触的各种参数与其在车轮轮廓上的位置有关。所提出的参数的值也被解释为与它们发生的轨迹曲线的半径有关。本文介绍了作者设计的用于研究磨损原因的软件，介绍了所使用的算法和数学分析装置。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOSCIENCE, BIOTECHNOLOGY, AND BIOMETRICS 2019

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