One segment of a process control system. An open-loop control process requires human intervention, whereas a closed-loop system is entirely automated (see PID). See process control. THIS DEFINITION IS ...

SAN DIEGO — The next advance in spinal cord stimulation (SCS) could be a closed-loop system that uses evoked compound action potentials (ECAPs) to maintain therapeutic activation, results of the phase ...

Self-regulating systems with feedback loops, i.e., the routing back of the output of a system to its input, have existed since antiquity and have since become an integral part of modern technology.

A daylighting capability is now offered with the NX room controller. It uses a daylight sensor designed for open loop operation, measuring natural light coming through a window. It communicates with ...

On/off valves are basically on/off switches for hydraulic systems. They are typically installed in applications where precise position or speed control is not required. Proportional valves adjust flow ...

In 2012, Automation World published an article looking at the decision factors faced when choosing electric or pneumatic actuators. More than a decade later, manufacturing engineers and OEMs still ...