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A PID controller is a (closed) control loop feedback mechanism. It is used in industral control for proportional, integral and derivative feedback.

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PID : What does « ultimate gain Ku » in Ziegler–Nichols method mean?

According to the PID controller Wikipedia page, in its subsection Ziegler-Nichols method, as in its Ziegler-Nichols page, it is said that using "ultimate gain Ku" could help to tune a PID. Unfortunat …
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PID : What does « ultimate gain Ku » in Ziegler–Nichols method mean?

OK. Then, here are the answers to my two questions: Question 1 was: Is the "ultimate gain Ku", the highest value that could reach the system ? Answer is: no, the "ultimate gain Ku", IS NOT the highe …
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  • 101