Tuning of pid controller

i was trying to tune a pi controller,while tuning it shows an error that analytic linearisation is not enabled. so please tel how i can enable analytic linearisation. thank you

Answer 1

[Arkadiy Turevskiy]

Not sure what you mean by "analytic linearisation is not enabled".

Is the error saying that exact linearization produces zero?

If that is the case, pelase take a look at this section of the doc.