Tag Archive: controller+tuning process+modeling process+dynamics system+performance

Mar
16

Back to the Future of Tuning

New adaptive controllers are coming soon to your control room to individually schedule the tuning as a function of any variable. So given all the choices, what process variable generally works best taking into account what we have recently learned about mixing and process dynamics? The short answer is controller output for continuous processes and …

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Mar
05

The Good, the Bad, and the Ugly

Most of the literature makes valve nonlinearity seem bad or just plain ugly. However, if you take into account process dynamics and valve stick-slip, you might actually consider valve nonlinearity as good in some applications. So before we continue on to a discussion of the implications of mixing on tuning next week, let’s consider the …

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