Thank you for your reply!
I forgot to mention that I use a VFD to control the pump. The pump is a submerged pump that draws water from a pool of dirty water into a pipe to be cleaned in a filter. The water levels in the pool vary depending on weather and other factors. The pump is supposed to...
Hello
I’m working on controlling the flow of a pump. The pump in question has non-linear characteristic and I’m having trouble finding a transfer function so that I can tune the PID controller. Is such a non-linear system even possible to control with a PID-controller? I’m new at control system...
