TY JOUR TI DRIVE UNIT MATHEMATICAL MODEL OF ROBOT GRIPPING DEVICES KW friction KW mechatronic module KW drive KW backlash KW elasticity KW gearbox KW mechanical transmission JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Serebrennyj, V.V. AU Boshlyakov, A.A. AU Ogorodnik, A.I. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov