A new Neuro-Fuzzy Inference System with Dynamic Neurons (NFIS-DN) for system identification and time series forecasting

被引:18
作者
Samanta, S. [1 ]
Suresh, S. [2 ]
Senthilnath, J. [3 ]
Sundararajan, N. [4 ]
机构
[1] Nanyang Technol Univ, Interdisciplinary Grad Sch, ERI N, Singapore, Singapore
[2] Indian Inst Sci, Dept Aerosp Engn, Bengaluru, India
[3] ASTAR, Inst Infocomm Res, Singapore, Singapore
[4] Nanyang Technol Univ, Sch Comp Sci & Engn, Singapore, Singapore
关键词
Dynamic neuron; Recurrent neural network; Fuzzy system; Self-regulated learning; Backpropagation; LEARNING ALGORITHM; PREDICTION; NETWORKS; CONTROLLER; MEMORY; MODEL;
D O I
10.1016/j.asoc.2019.105567
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
A new Neuro-Fuzzy Inference System with Dynamic Neurons or NFIS-DN is presented here for discrete time dynamic system identification and time series forecasting problems. The proposed dynamic system based neuron, referred to as Dynamic Neuron (DN) is realized by a discrete-time nonlinear state-space model. The DN is designed such way, that the output considers only the effect of finite past instances, enabling the system with finite memory. The NFIS-DN model has five layers, and DNs are employed only in the layers handling crisp values. The antecedent and the consequent parameters of NFIS-DN are updated using a self-regulated backpropagation through time learning algorithm. The performance evaluation of NFIS-DN has been carried-out using benchmark problems in the areas of nonlinear system identification and time series forecasting. The results are compared with the state-of-the-art method on the neural fuzzy networks. The obtained results clearly suggest that the NFIS-DN performs significantly better while using a smaller or similar number of fuzzy rules. Finally the practical application of the NFIS-DN has been demonstrated using two real-world problems. (C) 2019 Elsevier B.V. All rights reserved.
引用
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页数:11
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