POLIMI_sensori_novembre 2019 Abstract: A machine is composed by a mechanical structure and a control system (usually a PLC), which is responsible of the appropriate machine working. Sensors act like the link between the mechanics and the control system: they allow the controller to receive a real time feedback on the status of one or more parts of the machine and this information can be used to implement a closed-loop control.  For these reasons, the selection of the sensor type and…