TY JOUR TI Continuous monitoring of mechanical parameters of point switch moving parts KW continuous monitoring KW point switch KW tongues KW wireless network KW safety KW technical diagnostics KW function KW sensors KW requirements for point switches KW railway operating rules KW frog number KW function curve KW point switch moving parts KW solar panels KW radio-frequency sensors JO Transport automation research AU Khoroshev, V.. PY 2017 IS 3 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"