Статті КТМ (ДІІТ)

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    Simulation of Braking Processes in Freight Trains
    (KTU leidykla „Technologija“, Kaunas, Lithuania, 2022) Ursulyak, Liudmyla V.; Zheleznov, Konstantine I.
    ENG: The article presents the results of theoretical research of the processes occurring in the brake cylinders of freight wagons in trains of different lengths. A detailed analysis of the real time dependences of the forces of pressing the brake pads on the wheel for various braking methods (adjustment, full service and emergency braking), which were obtained during experiments with freight trains of different lengths, was carried out. Based on the analysis performed, approximating expressions for brake pad pressure diagrams on the wheel are proposed, which can be used to estimate the longitudinal dynamics of trains using mathematical modeling in real or accelerated time. The above dependencies are especially relevant when a train is controlled using a special onboard computer system. In this case, it is necessary to quickly estimate to what results, from the point of view of traffic safety and achievement of the control goal, the implemented control modes will lead to.