Description: the output variable (position) of the actuator used in open-loop and closed-loop control technology, with the help of which a targeted intervention in the open-loop or closed-loop system takes place; Name: correcting variable
Description: output variable of the controlling system, which is also an input variable of the controlled system; Name: manipulated variable
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity