%0 Journal Article %T Analysis of the prerequisites for the creation of a mathematical model of the functioning of automatic couplings of loaded traction units %A Ripol'-Saragosi, T.L. %A Ripol'-Saragosi, L.F. %A Yaickov, I.A. %K coal industry, traction unit, motor dump car, longitudinal-dynamic reactions %J Proceedings of Petersburg Transport University %D 2024 %N 21 %P 6 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"