TY JOUR TI Improving the anti-skid system of a passenger electric locomotive KW anti-skid protection KW train-track interaction KW wheel — rail adhesion KW wheelsets sliding KW skid detection algorithm JO Bulletin of scientific research results AU Kolpahch'yan, P.G. AU Andreev, V.E. PY 2024 IS 2024 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"