I-PD, P-ID PI-D ??

[joe09]

hello

i wanna know the equations of the I-PD , P-ID, PI-D

i already knew the general eqautaion of the PID,
Kc(1+1/Ti*s+Td*s),

however, i can't find the eqaution of the above things
which is very important to me.

i will thx somebody who make me know it

anybody please help me !!

 

[FrancisL]

There is no single answer,
Search for pid algorithms - top of the list is

http://members.aol.com/pidcontrol/pid_algorithm.html

There are many more
But you probably (goodness knows why) want to know the answer for the control system you have, in which case it should be described in the Suppliers documentation.