Timeline for Misconceptions about PID Controllers
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 19, 2016 at 20:47 | comment | added | Neil_UK | Yes. You want your set position to be z. However the PID loop doesn't know anything about positions, only (in your case) numbers. So you put a number that represents z as the set point into the PID controller. | |
| Feb 19, 2016 at 20:18 | vote | accept | anonymouse | ||
| Feb 19, 2016 at 20:08 | comment | added | anonymouse | Essentially, what you're saying is that my position sensor takes in an input of position x and outputs some number, let's say z. In addition, as a human I want my set point to be the position x_set, but in actuality I should be feeding the number z_set into my control loop. So, the input to my PID controller is (z_set - z), which is likely to be a current or voltage or whatever. Did I get that correct? | |
| Feb 19, 2016 at 20:03 | history | answered | Neil_UK | CC BY-SA 3.0 |