Stability analysis of time-delayed linear fractional-order systems

In this article, an exact and robust method for the determination of all the possible stability regions in the parametric space has been presented for the fractional order systems with time delay. Using the approach presented in this study, first, the transcendental terms have been eliminated from t...

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Published in:International journal of control, automation, and systems 2013, Automation, and Systems, 11(3), , pp.519-525
Main Authors: Pakzad, Mohammad Ali, Pakzad, Sara, Nekoui, Mohammad Ali
Format: Article
Language:English
Subjects:
Computer engineering
Control
Electrical engineering
Engineering
Mechatronics
Numerical analysis
Regular Paper
Robotics
Studies
Systems stability
제어계측공학
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description In this article, an exact and robust method for the determination of all the possible stability regions in the parametric space has been presented for the fractional order systems with time delay. Using the approach presented in this study, first, the transcendental terms have been eliminated from the characteristic equation and then, all the locations on the imaginary axis crossed by the roots and also their direction of crossing have been calculated. Finally, the concept of the stability as a function of the time delay has been described for a general class of linear fractional order systems with several commensurate delays. Prior to the conclusion, several examples have been given to validate the results of the proposed approach.
doi_str_mv 10.1007/s12555-012-0164-4
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source ABI/INFORM Global; Springer Nature
subjects Computer engineering
Control
Electrical engineering
Engineering
Mechatronics
Numerical analysis
Regular Paper
Robotics
Studies
Systems stability
제어계측공학
title Stability analysis of time-delayed linear fractional-order systems
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