TY JOUR TI Evaluation models of technological effi ciency of railway automation and remote control systems KW URRAN KW railway automation and remote control system KW reliability KW economic effi ciency KW safety KW availability factor KW queuing theory KW the theory of random pulse fl ows KW failures KW distribution density KW expected value JO Transport automation research AU Gorelik, A.V. AU Nevarov, P.A. AU Zhuravlev, I.A. AU Veselova, A.S. PY 2015 IS 1 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"