TY JOUR TI SEARCH FOR NEW DESIGN OPTIONS OF TRACTION DRIVES OF LOW-FLOOR CARRIAGES KW drive KW locomotive KW machines KW motor KW dynamics KW frictional self-oscillations KW reliability KW design JO Transport engineering AU Vorob'ev, V.I. AU Pugachev, A.A. AU Izmerov, O.V. AU Nikolaev, E.V. PY 2023 IS 2023 PB Bryansk State Technical University