Control System Problems
Formulas, solutions, and simulation tools
Instead of a dry introduction regarding the usefulness of control systems in our modern society, we prefer to start our preface with the words of two great men: The ancient Greek philosopher Aristotle in Politics in the part On reason, the state, slavery and women states:
“For if every instrument could accomplish its own work, obeying or anticipating the will of others, like the statues of Daedalus, or the tripods of Hephaestus, which”, says the poet, “of their own accord entered the assembly of the Gods; if, in like manner, the shuttle would weave and the plectrum touch the lyre without a hand to guide them, chief workmen would not want servants, nor masters slaves.
” The second is Norbert Wiener, founding thinker of cybernetics theory. In his book, The Human Use of Human Beings: Cybernetics And Society, he states: “The world of the future will be an even more demanding struggle against the limitations of our intelligence, not a comfortable hammock in which we can lie down to be waited upon by our robot slaves.” The authors believe that the “struggle against the limitations of our intelligence”
demands highly educated scientists and engineers. Automatic control is amulti disciplinary subject covering topics of interest for electrical, mechanical, aerospace, chemical, and industrial engineers. The objective of this text is to provide a comprehensive but practical coverage of the concepts of control systems theory.
The theory is written in a straightforward uncomplicated way in order to simplify as much as possible, and at the same time classify the problems met in classical automatic control. Each chapter includes an extensive section with formulas useful for dealing with the numerous solved problems that conclude the chapter.
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