PID control Question easy theory curiosity

stanggt200220000 · Oct 26, 2005

We are covering pid control with our plcs right now, using electronic control systems, and have the question posed, PID control can be accomplished by? Is it possible for mechancial systems, pneumatic, hydroulic, and electronic control systems all to be used, or just one or the other?

Steve_D · Oct 26, 2005

You really need to look up PID control and work out what it is, then you will find out that your question isn't making sense.

stanggt200220000 · Oct 26, 2005

Well the question as given to us via the book:

PID control can be accomplished by:

a) mechanical systems
b) pneumatic systems
c) hydraulic systems
d) electonic control systems
e) all above

I may have worded it wrong, I appologize. Makes sense to me, I'm just not sure about the answer?

Doug_Adam · Oct 26, 2005

All of the above.
However, the answer is meaningless unless you know why it is correct.

Hint, is the speed govenor invented back in the 19th century a PID controller?

marius · Oct 26, 2005

well... i'm sure that many people here can say much about this, but for the beginning i suggest you too look here

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

PID control Question easy theory curiosity

stanggt200220000

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Steve_D

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stanggt200220000

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Doug_Adam

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marius

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