Loop Shaping
The controller design is undertaken on the NC considering the frequency constraints and the nominal loop of the system. At this point, the designer begins to introduce controller functions and tune their parameters, a process called Loop Shaping, until the best possible controller is reached without violation of the frequency constraints.
The experience of the designer is an important factor in finding a satisfactory controller that not only complies with the frequency restrictions but with the possible realization, complexity, and quality.
For this stage there currently exist different CAD (Computer Aided Design) packages to make the controller tuning easier.
Read more about this topic: Quantitative Feedback Theory
Famous quotes containing the word shaping:
“Lovers and madmen have such seething brains,
Such shaping fantasies, that apprehend
More than cool reason ever comprehends.
The lunatic, the lover, and the poet
Are of imagination all compact.”
—William Shakespeare (1564–1616)