Stability analysis of fractional order neutral-type systems considering time varying delays,nonlinear perturbations,and input saturation |
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| Authors: | Zahra Sadat Aghayan Alireza Alfi J A Tenreiro Machado |
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| Institution: | 1. Faculty of Electrical and Robotic Engineering, Shahrood University of Technology, Shahrood, 36199-95161 Iran;2. Institute of Engineering, Polytechnic of Porto, Department of Electrical Engineering, Rua Dr. Antonio Bernardino de Almeida 431, Porto, 4249-015 Portugal |
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| Abstract: | This article investigates the robust stability of fractional order neutral-type systems involving nonlinear perturbations and time varying delays in the presence of input saturation. Design criteria, expressed in terms of linear matrix inequalities, are derived with the aid of the Lyapunov Krasovskii functional for the state feedback controller. Based on the cone complementarity linearization method, an optimization problem is also formulated for finding the controller gains subject to maximizing the domain of attraction. The main results are confirmed by numerical simulations. |
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| Keywords: | actuator saturation cone complementarity linearization fractional calculus neutral-type delay perturbations robust stability |
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