TY JOUR TI SEARCH FOR WAYS TO IMPROVE THE TRACTION PROPERTIES OF LOCOMOTIVES AND TRACTION DRIVE DESIGN KW drive KW locomotive KW locomotive KW machines KW engine KW self-oscillations KW reliability JO Bulletin of Bryansk state technical university AU Vorob'ev, V.I. AU Pugachev, A.A. AU Izmerov, O.V. AU Nikolaev, E.V. PY 2021 IS 2021 PB Bryansk State Technical University