singular systems
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2021 ◽  
Vol 158 ◽  
pp. 105057
Jorge C. Guerrero ◽  
Jorge R. Chávez-Fuentes ◽  
Juan E. Casavilca ◽  
Eduardo F. Costa

2021 ◽  
Vol 2021 (1) ◽  
Jing Wang ◽  
Xingtao Wang

AbstractThis paper is concerned with the finite-time stabilization of a class of switched nonlinear singular systems under asynchronous control. Asynchronism here refers to the delays in switching between the controller and the subsystem. First, the dynamic decomposition technique is used to prove that such a switched singular system is regular and impulse-free. Secondly, based on the state solutions of the closed-loop system in the matched time period and the mismatched time period of the system instead of constructing a Lyapunov function, the sufficient conditions for the finite-time stability of the asynchronous switched singular system are given, there is no limit to the stability of subsystems. Then, the mode-dependent state feedback controller that makes the original system stable is derived in the form of strict linear matrix inequalities. Finally, numerical examples are given to verify the feasibility and validity of the results.

Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-15
Guobao Liu ◽  
Shibin Shen ◽  
Xianglei Jia

This paper applies a T-S fuzzy model to depict a class of nonlinear time-varying-delay singular systems and investigates the dissipative filtering problem for these systems under deception attacks. The measurement output is assumed to encounter random deception attacks during signal transmission, and a Bernoulli distribution is used to describe this random phenomena. In this case, the filtering error system modeled by a stochastic singular T-S fuzzy system is established and stochastic admissibility for this kind of system is defined firstly. Then, by combining some integral inequalities and using the Lyapunov–Krasovskii functional approach, sufficient delay-dependent conditions are presented based on linear matrix inequality techniques, where the system of filtering error can be stochastically admissible and strictly ℚ , S , ℝ -dissipative against randomly occurring deception attacks. Moreover, parameters of the desired filter can be obtained via the solutions of the established conditions. The validity of our work is illustrated through a mostly used example of the nonlinear system.

2021 ◽  
Mariem Ghamgui ◽  
Driss Mehdi ◽  
Olivier Bachelier ◽  
Qing-Long Han

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