Integral Window for PID Control

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Integral Window for PID Control

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31-12-2005, 17:50

phrontist

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Integral Window for PID Control

How do you determine how many error samples to include in your PID model? For the derivative portion you presumably just use the last sample (or is it common to do the average difference over a few samples?). There are well defined methods for tuning the constants in a PID algorithm, but how do you choose how far back the algorithm should look?

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