Robust stability and desired model method

Robust stability and desired model method

The paper deals with a determination of robust stability regions in a plane of conventional analog controller adjustable parameters for common controlled plants with time delay. There are derived rather general formulas, which allow to render both stability regions and regions for specified gain or...

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Bibliographic Details
Published in:2018 Cybernetics & Informatics (K&I) pp. 1 - 5
Main Authors: Viteckova, Miluse, Vitecek, Antonin, Janacova, Dagmar
Format: Conference Proceeding
Language:English
Published: IEEE 01-01-2018
Subjects:
Control systems
Delay effects
desired model method
gain and phase margin
Mathematical model
Robust stability
Robustness
time delay
Transfer functions
Uncertainty
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Summary:The paper deals with a determination of robust stability regions in a plane of conventional analog controller adjustable parameters for common controlled plants with time delay. There are derived rather general formulas, which allow to render both stability regions and regions for specified gain or phase margin. Knowledge of these regions allows to verify a robustness of different controller tuning methods for plants with uncertainties. For the most common plants with time delay of the first and the second order with time delay user-friendly formulas are given. The use of a described approach is shown in the example.
ISBN:9781538644195
1538644193
DOI:10.1109/CYBERI.2018.8337532