A modified Hammerstein modeling by the differential evolution algorithm

This paper focuses on the nonlinear system modeling based on using a modified Hammerstein system model. The proposed Hammerstein structure is composed of a bilinear neural network (BNN) and a recursive digital system in the cascaded form. The former is taken to be the nonlinear function part of the...

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Vydané v:Signal, image and video processing Ročník 18; číslo 6-7; s. 5099 - 5112
Hlavný autor: Chang, Wei-Der
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: London Springer London 01.08.2024
Springer Nature B.V
Predmet:
Algorithms
Back propagation
Computer Imaging
Computer Science
Continuously stirred tank reactors
Evolutionary algorithms
Evolutionary computation
Image Processing and Computer Vision
Mathematical models
Modelling
Multimedia Information Systems
Neural networks
Nonlinear systems
Optimization
Original Paper
Parameter estimation
Pattern Recognition and Graphics
Recurrent neural networks
Signal,Image and Speech Processing
Simulation
Subsystems
Vision
System modeling
Recursive digital system
Hammerstein model
Differential evolution algorithm
Bilinear neural network
ISSN:1863-1703, 1863-1711
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Popis
Shrnutí:This paper focuses on the nonlinear system modeling based on using a modified Hammerstein system model. The proposed Hammerstein structure is composed of a bilinear neural network (BNN) and a recursive digital system in the cascaded form. The former is taken to be the nonlinear function part of the Hammerstein model, and the latter is used as the linear dynamic subsystem. The BNN is then constructed by the bilinear digital system and the recurrent neural network, which already possesses a satisfactory modeling capacity. To update all of adjustable parameters within the proposed Hammerstein model, a popular and powerful evolutionary computation called the differential evolution (DE) is utilized so that the model output can be closely to the actual nonlinear system output. Finally, a simulated nonlinear chemical process system, continuously stirred tank reactor (CSTR), is illustrated with the modeling phase and testing phase. Some experiment results as compared with another method from the subject literature are provided to demonstrate the feasibility of the proposed method and its good modeling.
Bibliografia:ObjectType-Article-1
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content type line 14
ISSN:1863-1703
1863-1711
DOI:10.1007/s11760-024-03218-w