Parallel compensator versus Smith predictor for control of the plants with delay

• Autorzy: Gessing R.
• Języki publikacji: EN

Abstrakty

EN

In the paper the parallel compensator considered in [1] is applied to control of the plants with delay and compared with Smith predictor. It is noted that Smith predictor removes only the delay, while the parallel compensator also changes the dynamics of the replacement plant; the latter may be in some degree of freedom shaped by the designer. Owing to this the transients of the system with parallel compensator are significantly faster. Accounting implementability, the control saturations are introduced in control algorithms. Additionally it is shown that using parallel compensator we may apply a relay control to the plants with delay and nonminimum phase zeros, which is impossible by using Smith predictor. Several results of simulations are described which confirm these observations.

Słowa kluczowe

EN

parallel compensator; Smith predictor; plants with delay; nonminimum phase plants

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2008
• Tom: Vol. 56, nr 4
• Strony: 339--345
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Gessing R.

• Institute of Automatic Control, Silesian Technical University, 16 Akademicka St. 44-101 Gliwice, Poland

Bibliografia

• [1] R. Gessing, “Parallel compensator for continuous and relay control systems with difficult plants”, Proc. American Control Conference ACC’07, 5810–5815 (2007).
• [2] H. Górecki, Analysis and Synthesis of the Control Systems with Delay, WNT, Warszawa, 1971, (in Polish).
• [3] O. Smith, Feedback Control Systems, Mc Graw-Hill, N.Y., 1958.
• [4] G.F. Franklin, J.D. Powell, and A. Emami Naeini, Feedback Control of Dynamic Systems, Addison Wesley, N.Y., 1994.
• [5] G.C. Goodwin, S.F. Graebe, and M.E. Salgado, Control Systems Design, Prentice Hall, N.J., 2001.
• [6] M. Deng, Z. Iwai, and I. Mizumoto, ”Robust parallel compensator design for output feedback stabilization of plants with structured uncertainty”, Systems and Control Letters 36, 193–198 (1999).
• [7] Y. Takahashi, M.J. Rabins, and D.M. Auslander, Control and Dynamic Systems, Addison Wesley, Boston, 1972.
• [8] J.J.E. Slotine and W. Li, Applied Nonlinear Control, Prentice Hall, N.J., 1991.