This article describes the electromechanical design and position control of a prototype with parallel delta kinematic structure with three degrees of freedom for application in the confectionary industry. The proposal seeks a solution for the reduction of nonconformities in the mechanical finishes of the jeans confectionary industry, where the wear effects of the fabric are commonly obtained by manual processes compromising the final product standardization. The electromechanical assembly is driven by direct current motors and is interfaced by PWM power circuits, which receive control signals from a computerized system. It was studied a mathematical model to associate the coordinates of the moving cars and the final effector. Position controllers of the Proportional-Integrator-Derivative (PID) type were implemented using the Ziegler-Nichols tuning method. A supervisory program was created in Labview ® that allows the visualization of the outputs and inputs of the position controllers by means of graphs plotted in real time, allowing the adjustment of PID constants also in real time. The controllers were validated and tested for each movement car, presenting a maximum positioning error of 2,14%, which was considered to be optimal for the confectionary application.
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