TY JOUR TI Restoration of traffic after failures using a virtual train coupling KW railway line capacity KW train-to-train interval KW headway automatic train control system KW virtual coupling KW group automatic train operation KW IMETRA system KW simulation modeling KW train schedule JO Transport automation research AU Bushuev, S.V. AU Kovalev, I.A. PY 2024 IS 10 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"