What does a PID controller do?

Related questions

1. Is Lqr better than PID?
2. What are the disadvantages of PID controller?
3. What is the use of controller?
4. What is adaptive control system?
5. What is MIT rule?
6. What is Lqr controller?
7. What is Lqr in Matlab?
8. What is Matlab Zpk?
9. What does lsim do in Matlab?
10. What is quadratic performance index?

Tags

1. #derivative
2. #requiring
3. #three
4. #feedback
5. #widely
6. #controller
7. #variety
8. #control
9. #continuously
10. #modulated
11. #applications
12. #mechanism
13. #proportional
14. #systems
15. #industrial
16. #other
17. #integral