Fuzzy fault-tolerant control for global stabilization of uncertain time-delay large-scale systems
GUO Tao
CHEN Wei-sheng
Abstract：The fuzzy fault-tolerant control problem is studied for global stabilization of a class of uncertain nonlinear interconnected large-scale systems with unknown time varying time delays. The unknown delayed input signals of the fuzzy approximator are substituted by the bounded references signals, and as a result, the control design and application are not dependent on the delay assumptions any more, so that the convenience of the controller design and application is greatly improved. The fault-tolerant backstepping control and the adaptive control technique are combined to deal with the errors of the replacement and the approximation. The proposed control scheme can compensate for all of the four types of actor faults efficiently, and global stability of the closed-loop system is guaranteed. Simulation results are provided to show the effectiveness of the control approach.
Keywords：fault-tolerant controltime-delayglobal stabilityfuzzy approximationinterconnected large-scale systems
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 601-608 )