区间二型T-S模糊研究综述

Survey on interval type-2 T-S fuzzy control

区间二型模糊集可以通过上下隶属度函数将参数不确定性进行捕获,因此具有更好的不确定性处理能力,成为当前模糊系统领域研究的热点。区间二型T-S模糊系统不仅具有二型模糊集处理不确定性的优良性能,同时也具有T-S模糊模型万能逼近的性质和局部线性化的良好性质。通过介绍二型模糊集的概念及其应用,重点归纳分析了区间二型T-S模糊系统的最新研究成果,包括系统稳定性分析、控制器设计及工程应用实例,阐述了其优良特性及研究潜力,并展望了区间二型T-S模糊系统的今后研究方向。

Interval type-2 fuzzy sets can capture parameter uncertainty by upper and lower membership functions,so they have better ability to deal with uncertainty and become a hot spot in the field of fuzzy systems.Interval type-2 T-S fuzzy system not only has the excellent performance of type-2 fuzzy set to deal with uncertainty,but also has the properties of universal approximation and local linearization of T-S fuzzy model.The concept and application of interval type-2 fuzzy sets are introduced,and the latest research achievements of interval type-2 T-S fuzzy systems are summarized and analyzed,including system stability analysis,controller design and engineering application examples.The excellent characteristics and research potential of interval type-2 T-S fuzzy systems are described,and the future research direction of interval type-2 T-S fuzzy systems is discussed.