How to implement a PID Loops control system in PLC programming
As I have read and understood what is the proper way to tune a loop that the data on the response of a process of maintaining and tuning parameters (eg data: building a FOPDT) model to collect.
PID on PLC Lesson Resources
What is P in PID?
What is I in PID?
What is D in PID?
Proportional-Only Control - Why Won’t It Work?
Scaling with y=mx+b (chapter 1)
Scaling with y=mx+b (chapter 2)
Q: But in almost all the experiences I have had with tuning loops in the industry, I have never seen an engineer.
Either you have never used a real control engineer and the system is so simple that it can be manually adjusted. A real control engineer would know that more steps manually or comparison.
Q: So make me some questions, such things should realistically possible, hopefully this is not just my inexperience in the real world monkeys stuff of science.
As you said, the real problem is the data and installation instructions, a model. If the model is a FOPDT or SOPDT or neither. Position control models also come with an integrator that speed is not to integrate. I’ve always, you hope that the system free linear.
I’ve never used a system with a transfer function. For me all the systems I’ve seen are not designed and is kludged. This finding means that the control engineer has a transfer function empirically close enough.
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