Abstract
The mathematical model of the railway vehicle moving along a path with a nonlinearly changing characteristic of the friction coefficient in the area of the wheel frictional contact with the rail is analyzed. As a result of processing the analysis of experiments, the functional dependences of the change in the coefficient of friction on the test time for each type of lubricant, as well as for dry contact were established, and mathematical models were obtained in the form of regression equations for the conditions of dry contact and contact in the environment of various lubricants that are adequately described—they explain the process of the influence of the main operational factors FN, Vs, Vz on the change in the coefficient of friction during testing. The authors also consider the calculated and experimental dependences of the specific resistance to the movement and compression of the rail for the first pair of wheels on the radius of the curve during the motion along the curve of the trajectory of the electric train ED9M car.
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Maiba, I.A., Maiba, V.V., Glazunov, D.V. (2021). Mathematical Model of Railway Vehicle Moving Along Track with Nonlinear Variable Characteristic of Friction Ratio in Zone of Wheel Frictional Contact with Rail. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 6th International Conference on Industrial Engineering (ICIE 2020). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54814-8_145
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