basic difference between p,i d and pid controller

Thread Starter

vead

Joined Nov 24, 2011
629
hello

can anyone tell me please
what component is use to create p, i, and d controller circuit
 

steveb

Joined Jul 3, 2008
2,436
hello

can anyone tell me please
what component is use to create p, i, and d controller circuit
PID control can be implemented with one opamp circuit, or with a microprocessor system. In addition, both methods require a measurement system to monitor the variable under control. Also, some type of driver circuit is needed to drive the system.

I'd go into more detail, but there are tons of books, articles and web sites that give all the details.

Here are two links ...

http://en.wikipedia.org/wiki/PID_controller

http://electronicdesign.com/article/analog-and-mixed-signal/what-s-all-this-p-i-d-stuff-anyhow-6131
 

MrChips

Joined Oct 2, 2009
26,807
In a nutshell,

P = proportional
I = integral
D = derivative

So, if you are using hardware to implement an analog PID controller, you will need

P = amplifier
I = integrator
D = differentiator

and finally, a summing amplifier to sum the three signals.
 

Thread Starter

vead

Joined Nov 24, 2011
629
hi
its mean to implement p controller we can use amplifier circuit,
integrator for i controller differentiator for d controller
 
Top