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Oct 11, 2023 at 6:10 vote accept krishnab
Oct 11, 2023 at 6:10 comment added krishnab thanks for the response. I think I have a better understanding now. The integrator is like a computer thing or an aspect of the measurement system. In the videos, the author makes a big deal about the inclusion of the integrator in the transfer function, so I had the mistaken impression that the integrator was an aspect of the physical system or "plant." But the more I read, etc., seems like the integrator is just a way to track the cumulative error between the current measurement and the target level over the recent history of the system. Thanks again for helpng me understand this.
Oct 11, 2023 at 1:22 history answered niels nielsen CC BY-SA 4.0