DEVELOPMENT AND SIMULATION OF A DYNAMIC MODEL OF A MINI MILLING CENTER USING MATLAB-SIMULINK

Claudia GÎRJOB, Mihai CRENGANIȘ, Radu BREAZ, Gabriel Sever RACZ

Abstract


This paper presents a dynamic, axis-level model of a mini milling center implemented in MATLAB/Simulink with Simscape. Each translational axis is modeled as a closed-loop electromechanical drive—motor, coupling, ball-screw, sled, and encoder—regulated by a PID controller. The primary aim is a realistic virtual-commissioning model for controller tuning and scenario testing prior to hardware deployment, rather than a full process-level digital twin. The model captures the dominant electromechanical dynamics and allows disturbance injection via cutting forces. The axes are also represented as a 3D multibody assembly. Several operating modes are simulated to assess positioning accuracy and closed-loop stability. Results indicate that the approach is effective for controller adjustment and virtual testing of control algorithms, supporting open-architecture mini-mill solutions for education, prototyping, and applied research.


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References


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