Asynchronous Switching Control And Stability Analysis For Several Classes Of Switched Fuzzy Systems

Switched fuzzy system,which selects T-S fuzzy model that can solve the problem of nonlinear system as its subsystem,is a kind of switching system.It optimizes the fuzzy switching model and has a wider application range.It can more solve the complex system problems in actual production and life.The switched fuzzy system is established as studied model in this paper,using linear matrix inequality and Lyapunov function theory to make the system stable.Considering under interference,the memory state feedback control,memory guaranteed cost control,and asynchronous switching control of the switched fuzzy system.The main research contents are as follows:First,for the switched fuzzy system with time-varying delay,this paper designs an observer to estimate the unmeasured state variables in the system.Starting from the definition of Lyapunov stability,designing the memory state feedback controller,obtaining the matrix inequality,observer and controller gains,and the controlled object is asymptotically stable under this condition.Finally,this paper gives the state curve and control curve of the closed-loop system under the memory state feedback control and the state feedback control.The simulation results verify the validity and feasibility of the proposed method.Secondly,the memory guaranteed cost control for switched fuzzy systems with constant time delay and uncertainty is proposed.Still designing a memory state feedback controller and a switching signal which can make the system asymptotically stable while ensuring the upper bound of the cost function,and obtain the gain of the memory state feedback controller that satisfies the switching law.The simulation results verify the conclusion.Finally,studying a class of switched fuzzy systems and considering its asynchronous switching control with time-varying delay.Design the state feedback controller and the switching signal based on MDADT,which makes full use of the parameters of each subsystem,and obtain the sufficient conditions for global consistency exponentially stable ofthe closed-loop system in the interval of asynchronous and synchronous time when the subsystem is running Then,the validity and feasibility of the method are verified by comparing the simulation diagrams between MDADT and arbitrary switching.