In control strategies, an open-loop control system refers to a controller whose action is determined based on predetermined input values without considering feedback. However, a closed-loop controller ...

Not missing a beat: Here we take a look at why open-loop steppers lose steps, as well as some solutions to the problem. Donald Labriola, P.E. Some controller/drive systems can commutate highpole ...

Method 1: Controllers without a negative loop reference. Some digital controllers, such as the UCD3138 from Texas Instruments (TI), use a hardware state machine to implement the control loop; ...

Festo introduces its Controlled Pneumatics technology which features digital closed-loop control for applications ranging from welding and gripping to dispensing and pumping. ... This differs from an ...