https://reference.wolfram.com/system-modeler/libraries/EducationExamples/EducationExamples.ElectricalEngineering.Potentiometers.RheostatMotorControl.html
EducationExamples: ElectricalEngineering.Potentiometers.RheostatMotorControl - System Modeler...
Motor controlled by a thumbwheel potentiometer in rheostat configuration
electricalengineeringpotentiometerssystemmodeler