An Interval Type 2 Fuzzy Extreme Learning Machine-Based Brain Emotional Learning
- Department of Computer Engineering, Science and Research Branch, Islamic Azad University
- Department of Control Engineering, K.N.Toosi University of Technology
Received: 2025-06-15
Revised: 2025-07-06
Accepted: 2025-07-22
Published in Issue 2025-09-30
Copyright (c) 2025 Dr. Mehdi Golshan, Prof. Mohammad Teshnehlab, Dr. Arash Sharifi (Author)

This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.
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Abstract
Over the past three decades, Brain Emotional Learning (BEL) models, inspired by the neural architecture of the mammalian limbic system, have been established as effective machine intelligence frameworks capable of integrating artificial neural networks and neuro-fuzzy systems. This study introduces a novel neuro-fuzzy prediction model, BELIT2FELM, which combines BEL with an Interval Type 2 Fuzzy Extreme Learning Machine (IT2FELM) for chaotic time series prediction. The proposed model employs an Online Interactive Recurrent Sequential learning method (OIRS-IT2FELM) to ensure rapid training with minimal parameter tuning and learning parameters. Specifically, the antecedent parameters of the type 2 membership functions in the BELIT2FELM model are initialized randomly, while the consequent type 1 parameters are derived analytically. The model's effectiveness is validated through experiments on two benchmark chaotic time series and a real-world application in electricity price forecasting for New York City. Results demonstrate that BELIT2FELM achieves lower root mean squared error (RMSE) compared to traditional BELT1FELM and other advanced models, particularly in the presence of noise.
Keywords
- Brain emotional learning, Interval type 2 fuzzy extreme learning machine, noisy time series prediction.
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