Global Exponential Stability and Stabilization of Fractional-Order Positive Switched Systems

2017 ◽  
Author(s):  
Xiangyang Cao ◽  
Leipo Liu ◽  
Hao Xing
Author(s):  
Pham Thi Linh

In this paper, the index-1 notion for arbitrarily switched discrete-time linear singular systems (SDLS) has been introduced. Based on the Bohl exponents of SDLS as well as properties of associated positive switched systems, some necessary and sufficient conditions have been established for exponential stability.


2018 ◽  
Vol 41 (5) ◽  
pp. 1340-1347 ◽  
Author(s):  
Leipo Liu ◽  
Xiangyang Cao ◽  
Zhumu Fu ◽  
Shuzhong Song ◽  
Hao Xing

This paper investigates the positive impulsive observer design of fractional-order positive switched systems with mode-dependent average dwell time (MDADT). By using the MDADT approach and the Lyapunov–Krasovskii functional technique, sufficient conditions are obtained to ensure the error system is globally exponentially stable. An algorithm is proposed to design the observer gain matrices via linear programming. Finally, two examples are provided to illustrate the effectiveness of the proposed method.


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