TY JOUR TI Analysis of mechanical connections of an electrohydraulic stepper drive of a mobile machine with software control in relation to the physical conditions of shaft surface treatment KW shaft groove KW linear electrohydraulic stepper drive (LEGSHP) KW hydraulic booster KW kinematic scheme JO Operation of Maritime Transport AU Syusyuka, E.N. PY 2021 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”