Title :
New delay-dependent stabilization result for linear time-delay system with actuator saturation
Author :
Dey, Rajeeb ; Rakshit, A. ; Ray, G. ; Ghosh, S.
Author_Institution :
Electr. Eng. Dept., Jadavpur Univ., Kolkata, India
Abstract :
In this communication, a modified delay-dependent stabilization criterion is derived based on new Lyapunov-Krasovskii functional for ascertaining local stabilization of an open-loop unstable time-system subjected to actuator saturation, while approximating the saturation function using polytopic representation. A numerical example is considered to show that the proposed criterion yields less conservative results compared to the existing ones in terms of delay upper bound and domain of attraction (DOA) estimation.
Keywords :
Lyapunov methods; actuators; delays; open loop systems; Lyapunov-Krasovskii functional; actuator saturation; delay upper bound; domain of attraction estimation; linear time-delay system; local stabilization; modified delay-dependent stabilization criterion; polytopic representation; saturation function; Actuators; Delay; Linear matrix inequalities; Optimization; Stability criteria; Symmetric matrices; Actuator Saturation and Domain of Attraction (DOA); Delay-dependent stabilization; Linear Matrix Inequality (LMI); Lyapunov-Krasovskii (L-K) functional;
Conference_Titel :
Power, Signals, Controls and Computation (EPSCICON), 2012 International Conference on
Conference_Location :
Thrissur, Kerala
Print_ISBN :
978-1-4673-0446-7
DOI :
10.1109/EPSCICON.2012.6175267