Abstract
The article describes modelling of mobile frictional systems which allows real estimation of values of required parameters taking into account dynamic characteristics of definite mechanical systems, definite friction units and materials of friction surfaces. It allows considering complex nonlinear interrelation of dynamic processes that occur in frictional contact area and in a mechanical subsystem. The construction of a mechanical subsystem model on the basis of its mathematical model allows investigating interrelation and interference of dynamic processes occurring in a definite friction unit and a definite mechanical subsystem in modelling and natural conditions. Maintaining equal identical conditions of interaction contacting micro- and macroroughnesses provides identical kinds of wear-out and its intensity, current values of a friction factor in natural and modelling conditions. On the basis of a method of the analysis of the differential equations of the object and its model, there have been chosen two equations corresponding to rotary (longitudinal rolling of a body) and forward (to vertical offsets of the first wheelset) oscillations.
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Shapovalov, V.V., Mishchinenko, V.B., Areshjan, G.A. (2019). Modelling of Mobile Nonlinear Frictional Systems. In: Radionov, A., Kravchenko, O., Guzeev, V., Rozhdestvenskiy, Y. (eds) Proceedings of the 4th International Conference on Industrial Engineering. ICIE 2018. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-95630-5_117
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DOI: https://doi.org/10.1007/978-3-319-95630-5_117
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