On the Optimal Topology of Time-Delay Control Systems

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1196)


It is shown that the Smith predictor is a subclass of the Youla parameterization based generic two-degree of freedom controllers. Comparing the algorithms the application of the new approach is suggested.


Smith predictor Youla parameter Time-delay 


  1. 1.
    Smith, O.J.M.: Closed control of loops with dead time. Chem. Eng. Proc. 53, 217 (1957)Google Scholar
  2. 2.
    Horowitz, I.M.: Synthesis of Feedback Systems. Academic Press, New York (1963)zbMATHGoogle Scholar
  3. 3.
    Åström, K.J., Wittenmark, B.: Computer Controlled Systems, p. 430. Prentice-Hall, Englewood Cliffs (1984)Google Scholar
  4. 4.
    Maciejowski, J.M.: Multivariable Feedback Design. Addison Wesley, Wokingham (1989)zbMATHGoogle Scholar
  5. 5.
    Keviczky, L.: Combined identification and control: another way (invited plenary paper). In: 5th IFAC Symposium on Adaptive Control and Signal Processing, ACASP 1995, Budapest, Hungary, pp. 13–30 (1995)Google Scholar
  6. 6.
    Keviczky, L., Bányász, Cs.: Optimality of two-degree of freedom controllers in \( \mathcal{H}_{2} \)- and \( \mathcal{H}_{\infty } \)-norm space, their robustness and minimal sensitivity. In: 14th IFAC World Congress, F, pp. 331–336. PRC, Beijing (1999)Google Scholar
  7. 7.
    Tan, N.: Computation of stabilizing PI and PID controllers for process with time delay. ISA Trans. 44, 213–223 (2005)CrossRefGoogle Scholar
  8. 8.
    Keviczky, L., Bányász, Cs.: Two-Degree-of-Freedom Control Systems (The Youla Parameterization Approach). Elsevier, Academic Press, Bányász (2015)zbMATHGoogle Scholar
  9. 9.
    Keviczky, L., Bars, R., Hetthéssy, J., Bányász, Cs.: Control Engineering. Springer, Singapore (2018)zbMATHGoogle Scholar
  10. 10.
    Keviczky, L., Bars, R., Hetthéssy, J., Bányász, Cs.: Control Engineering: MATLAB Exercises. Springer, Singapore (2018)zbMATHGoogle Scholar
  11. 11.
    Bányász, Cs., Keviczky, L., Bars, R.: Influence of time delay mismatch for robustness and stability. In: IFAC TDS, Budapest, Hungary, pp. 248–253 (2018)Google Scholar

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Budapest University of Technology and EconomicsBudapestHungary
  2. 2.Institute for Computer Science and ControlBudapestHungary

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