News

Open-Loop vs. Closed-Loop So where exactly does open-loop end and closed-loop begin? The line seems clear for some systems, but muddy for others. How much feedback is enough to qualify?
Open-Loop vs. Closed-Loop So where exactly does open-loop end and closed-loop begin? The line seems clear for some systems, but muddy for others. How much feedback is enough to qualify?
The weakness of the open-loop system is clear: without any feedback, the system cannot automatically adjust its process to change its output. This rigidity, the inflexibility of an open-loop system, ...
Closed Loop MRP was developed during the 1970s as a successor to earlier open-loop materials requirements planning systems, which could receive information but had no mechanism to receive feedback.
Open loop cooling systems use water to cool engines directly, while closed-loop systems use marine coolant and a heat exchanger to keep engines cool.
For example, traditional step motor systems run in open loop control. That means the drive electronics continuously supply current to the motor whether or not the load is demanding torque.
With open-loop therapies, insulin administration is manually controlled, while hybrid closed-loop systems automatically regulate insulin delivery.
The first randomized phase 2 trial to evaluate outcomes for spinal cord stimulation finds an advantage for an investigational closed-loop system over open-loop.
An open-loop cooling system, also called raw water cooling, draws water directly from the body of water the boat is floating in, whether it's saltwater or freshwater.