TY JOUR TI MEASUREMENTS OF INDIRECT VALUES BY PARAMETERS OF ELECTRIC DRIVES OF MINING EXCAVATORS KW mathematical modeling KW laboratory installation KW lifting engine KW mining excavator KW weight KW rock mass JO Bulletin of the Angarsk State Technical University AU Konovalov, Y.V. AU Pavlov, V.E. AU Dubovets, M.A. AU Azenstein, D.B. PY 2022 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»