Dynamic modeling and control of a new automatic corking machine for threaded plastic caps

The aim of this work is to model a new electromechanical system for applications in the field of automated corking machines. The paper presents the dynamic modeling of a new automatic corking machine for threaded plastic caps. The model is obtained using the energy-based modeling technique named “Power-OrientedGraphs” (POG). The considered corking machine is an electromechanical system with two degrees of freedom composed by two electrical motors moving a ball screw/spline that realizes the linear/rotary motion necessary to screw a plastic cap on a bottle. The paper presents the dynamic model of the machine and the interaction between the cap and the bottle. In the paper a control algorithm is proposed. Some simulation results are presented and compared to experimental results.