Taz3m, if you want I can send you my STEP7 process simulator with implemented FB41. It is process+controller, all in one STEP7 program. I think it would be usefull. You can search the board for SOPDT simulator. I will just add FB41...
I wasn't able to find smart way to avoid that nonlinearity. I never has example of how this things are done. Most used approach is to make some model, perform simulation and adjust PID's gains in such way to obtain acceptable response. In fact, in practice PID gains are adjusted by trial and error on real object.
I can't wait to see what Peter will do...
Peter Nachtwey said:I am starting on Pandiani's state space model.
I wasn't able to find smart way to avoid that nonlinearity. I never has example of how this things are done. Most used approach is to make some model, perform simulation and adjust PID's gains in such way to obtain acceptable response. In fact, in practice PID gains are adjusted by trial and error on real object.
I can't wait to see what Peter will do...