TY JOUR TI Comparative Assessment of Numerical Integration of the Equation of Motion of an Electric Train for Automatic Train Operation KW electric train KW automatic train operation KW longitudinal motion KW numerical integration KW derringer-suich method JO Bulletin of scientific research results AU Valinskiy, O.S. AU Evstaf'ev, A.M. AU Sychugov, A.N. AU Suhanov, E.V. PY 2026 IS 2026 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"