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PI stabilization of first-order systems with time delay |
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| Authors: | Guillermo J. Aniruddha S. P. |
| Affiliation: | a IBM, 11400 Burnet Road, Austin, TX 78758, USA b Department of Electrical Engineering, Texas A&M University, 3128 TAMU, College Station, TX 77843-3128, USA |
| Abstract: | This paper considers the problem of stabilizing a first-order plant with dead time using a PI controller. Using a version of the Hermite–Biehler Theorem applicable to quasipolynomials, a complete and constructive characterization of all stabilizing PI gain values is obtained. |
| Keywords: | PI controllers Stabilization Time delay Closed-loop control First-order systems |
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