TY JOUR TI A probability-based analysis of passenger car removal from operation for scheduled maintenance using digital twin modelling KW passenger railcar KW large-scale scheduled repairs/overhauls KW organization of withdrawing railcars from the operational services for scheduled maintenance KW random variable KW probability-based model KW digital twin technology JO Proceedings of Petersburg Transport University AU Ivanov, A.A. AU Shinkaruk, A.S. AU Vishnyakov, I.A. PY 2026 IS 23 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"