Design of robust controllers for plants with large dead time

Authors

DOI:

https://doi.org/10.15587/1729-4061.2016.59107

Keywords:

proportional, integral, differential, controller, predictor, model, predictive, robust, hard controlled, dead time

Abstract

The robust control system design problem for plants with large dead time is analyzed. Such plants are distributed in industry. The plants are hard controlled because controllers use past state of the plant output. The control quality analysis is provided with the help of direct, integral and frequency performance indexes. The analysis results show that the best design method is SIMC for PI-controller among classic controllers. Some better result gives PIDF design of the modified PID-controller with aperiodic filter, and frequency Matlab design of PI controller using the Smith predictor modified by Huang. The design of special model predictive controllers is not efficient for the plants with large dead time.

Author Biographies

Андрей Алексеевич Стопакевич, O. S. Popov Odessa national academy of telecommunications 1 Kuznechnaya str., Odesa, Ukraine, 65029

PhD, associate professor

Department of computer-integrated technological processes and industries

Алексей Аркадьевич Стопакевич, Odessa National Polytechnic University 1 Shevchenko ave., Odesa, Ukraine, 65044

PhD, associate professor

Department of automation of power processes

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Published

2016-02-28

How to Cite

Стопакевич, А. А., & Стопакевич, А. А. (2016). Design of robust controllers for plants with large dead time. Eastern-European Journal of Enterprise Technologies, 1(2(79), 48–56. https://doi.org/10.15587/1729-4061.2016.59107

Issue

Vol. 1 No. 2(79) (2016): Information technology. Industry control systems

Section

Industry control systems

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Copyright (c) 2016 Андрей Алексеевич Стопакевич, Алексей Аркадьевич Стопакевич

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