This article devotes to solve the fault-tolerant control problem based on interval type-2 (IT2) Takagi–Sugeno (T–S) fuzzy stochastic switched uncertain time-delayed systems with signal quantization. Stochastic switched systems can model a dynamic structure susceptible to abrupt faults, making it more practically significant in power systems or economic systems. The core design is an observer-based fault-tolerant control scheme that can estimate incomplete measurable variables and eliminate the influence of fault dynamically well and enhancing the robust stability of the systems subject to quantization effects. A novel method in seeking the upper bound solution of time-varying delay efficiently decreases conservativeness, especially for the proposed time-delayed system. The simulated analysis is specified to verify the availability and validity of the obtained design method.

中文翻译：

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随机切换IT2模糊不确定时滞非线性系统的容错控制


本文致力于解决基于信号量化的区间2型（IT2）Takagi–Sugeno（T–S）模糊随机切换不确定时滞系统的容错控制问题。随机切换系统可以模拟易受突发故障影响的动态结构，使其在电力系统或经济系统中更具实际意义。其核心设计是基于观测器的容错控制方案，能够估计不完全的可测变量，动态地消除故障的影响，增强系统受量化效应影响的鲁棒稳定性。一种寻求时变延迟上限解的新方法有效地降低了保守性，特别是对于所提出的时滞系统。并进行了仿真分析，验证了所得设计方法的可用性和有效性。