Controllers

From the fractured English you've presented I can tell that you have a control systems problem. I'm not sure from the fractures in your English if you do not understand the required components of a control system, or if you do not understand the fundamentals of control systems. I think that you understand the basics of a Laplace transform from what you wrote. If you do, then the key to making a stabile system is to make sure that the poles of the system reside in the left half plane.

Maybe we could get Z man to translate.

Never mind. Bad idea. Let's let sleeping Simians lie.

_{I don't know why I do this. Maybe it's like throwing rocks at a wasp's nest.}

PID_controller Read.

Real life problem IS NOT a Transfer Function. TF is a matemathical representation of what we THINK it represents. There is no guarantee for that, rather a surety, that things were left out, things do not work as imagined, that things have real life characteristics in general. But, only in real life application. In math it is simple and beautiful.

No, I am not knocking you. Rather, opening the eye to presenting a problem the right way. Real problems occur in real plants with real components misbehaving, or people screwing around with settings, unexpected shorts etc.

Short of presenting the problem the right way, anybody may look up (or already know) the meaning of s in denominator. How much closer are you then to a solution a real life customer can accept?

If, on the other hand it is schoolwork, it is do it yourself all the way for you. We do not do homeworks.

How about a fuzzy logic controller?

(I mean this seriously, not just in the sense of a fuzzy response to a fuzzy question.)