TY JOUR TI High-Speed Electric Trains Maintenance and Repair Simulation Using Data from On-board Diagnostic Systems KW Railways KW high-speed railway lines KW rolling stock KW maintenance and repair KW mathematical modeling JO Bulletin of scientific research results AU Galahov, A.N. AU Lakin, I.I. AU Skvorcov, D.D. PY 2023 IS 2023 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"