Evolving Systems

, Volume 8, Issue 1, pp 35–47 | Cite as

Intuitionistic neuro-fuzzy network with evolutionary adaptation

Original Paper


Intuitionistic fuzzy inference systems (IFISs) incorporate imprecision in the construction of membership functions present in fuzzy inference systems. In this paper we design intuitionistic neuro-fuzzy networks to adapt the antecedent and consequent parameters of IFISs. We also propose a mean of maximum defuzzification method for a class of Takagi–Sugeno IFISs and this method is compared with the basic defuzzification distribution operator. On both real-life credit scoring data and seven benchmark regression datasets we show that the intuitionistic neuro-fuzzy network trained with particle swarm optimization outperforms traditional ANFIS methods (hybrid and backpropagation) and ANFIS trained with evolutionary algorithms (genetic algorithm and particle swarm optimization), respectively. A set of nonparametric tests for multiple datasets is performed to demonstrate statistical differences between the algorithms. In the task of adapting the intuitionistic neuro-fuzzy network, we show that particle swarm optimization provides a higher prediction accuracy compared with traditional algorithms based on gradient descent or least-squares estimation.


ANFIS Intuitionistic fuzzy sets Intuitionistic fuzzy inference systems of Takagi–Sugeno type Intuitionistic neuro-fuzzy network Defuzzification method Particle swarm optimization 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Faculty of Economics and Administration, Institute of System Engineering and InformaticsUniversity of PardubicePardubiceCzech Republic

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