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???
11/03/10 08:36
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#179457 - This might help you for a start...
Responding to: ???'s previous message
1. Have a timer run at specific interval of time: 1 Second or 0.1 Second or 0.01 Second, or any other that you might prefer.
2. Run the PID Algorithm in this routine. The output of the algorithm is the percentage output that should go to the control element; it is heater in your case.

The Algorithm requires (sometimes, depends upon which you are using) the time interval at which the PID routine is running; in your case it is the timer interval in step 1 above.

I don't think you will have any problem in implementing the above.

The important issue is Which algorithm to use?

Remember the most important thing here is the accuracy of the system is entirely dependent on the values of P, I and D.

Good luck to you !!!


List of 18 messages in thread
TopicAuthorDate
PID temperature controller            01/01/70 00:00      
   LPC2136            01/01/70 00:00      
   Did you google it?            01/01/70 00:00      
      RE: It has been discussed.            01/01/70 00:00      
   This might help you for a start...            01/01/70 00:00      
   how do i get p d and i            01/01/70 00:00      
   getting values            01/01/70 00:00      
      Have you actually done any research at all?            01/01/70 00:00      
   PID Without a PhD            01/01/70 00:00      
   thanks and some doubts            01/01/70 00:00      
      Sorry but....            01/01/70 00:00      
      OK            01/01/70 00:00      
   lets start over again            01/01/70 00:00      
      First things first.            01/01/70 00:00      
         my email id            01/01/70 00:00      
         4 Months            01/01/70 00:00      
            Yes, Pretty true..it was in 1997            01/01/70 00:00      
      How to post legible source code            01/01/70 00:00      

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