hi guys!!!
actually hav been asked the diffrence between PI, PID, ID and PD controllers so can u help me out

 

can a PI controller be used in place of PID controller???

 

Hello,

Your title does not say what you want.
This can lead to an unread post.

But here is a link to the PID control systems page of the EDUCYPEDIA.
There you will find several links about the subject.
http://www.educypedia.be/electronics/controlpid.htm

Greetings,
Bertus