Today on Hackaday Dictionary, we’re going to talk about the two basic types of control systems: open-loop and closed-loop. We’ll describe the differences between them and explore the various ...

Figure 1 illustrates the difference between open- and closed-loop speed control as different fans are driven to a target speed from the OFF condition. Closed-loop control can drive fans with a ...

[Misan] has the solution to this: closed loop control of DC motors for a 3D printer. Most printer firmwares use an open loop control system for moving their motors around. Step a few times in one ...

you are using open-loop control (assuming you neglect the inputs from the seat-of-the-pants). By contrast, if you observe the speedometer, you have then closed the control loop. That is ...