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This paper is concerned with the $$H_\infty $$ H∞ filtering problem for switched Takagi–Sugeno (T–S) fuzzy systems with asynchronous switching, where “asynchronous” means that the switching of the filters has a lag to the switching of system models. In the switched T–S fuzzy systems, every subsystem is represented by the well-known T–S fuzzy model. Using the multiple Lyapunov functions approach and...
Firefigher indoor location system is crucial for determining firefighter's precise position in a burning building. When a firefighter encounters dangerous, the commander could immediately obtain his position information by the system. A major problem with the personal navigation system is due to the imprecision of sensor measurement. Altitude information is important for the rapid rescue operation...
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