Multistability of Fuzzy Neural Networks With Rectified Linear Units and State-Dependent Switching Rules

Shiqin Ou, Zhenyuan Guo*, Jun Wang*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

12 Citations (Scopus)

Abstract

This article presents theoretical results on the multistability of fuzzy neural networks with rectified linear units and a state-dependent switching rule. Because of the boundlessness of state activation and multifariousness of state-dependent switching, such fuzzy neural networks exhibit very rich and complex dynamics. We show that there are up to 3n − 2n − 1 stable equilibria in an n-neuron switched fuzzy neural network, substantially more than recurrent neural networks without switching. Based on the properties of positive invariant set, we derive seven sets of sufficient conditions to ensure the multistability of switched fuzzy neural networks with rectified linear units. We elaborate on three numerical examples to illustrate the theoretical results and a potential application in associative memories. © 2022 IEEE.
Original languageEnglish
Pages (from-to)1518-1530
Number of pages13
JournalIEEE Transactions on Fuzzy Systems
Volume31
Issue number5
Online published7 Sept 2022
DOIs
Publication statusPublished - May 2023

Funding

This work was supported in part by the National Natural Science Foundation of China under Grant 62276094, in part by the Natural Science Foundation of Hunan under Grant 2019JJ40022, and in part by the Research Grants Council of Hong Kong Special Administrative Region, under Grant 11202019 and Grant 11203721.

Research Keywords

  • Biological neural networks
  • Fuzzy neural network
  • Fuzzy neural networks
  • multistability
  • Neurons
  • Numerical stability
  • rectified linear unit (ReLU)
  • Recurrent neural networks
  • Stability criteria
  • state-dependent switching
  • Switches

RGC Funding Information

  • RGC-funded

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