Modelling a Bouc-Wen Hysteresis by SOFNN-AGA

Vol. 1, 2019. - 108489
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Resumo

This paper shows a method to obtain a model for a system with hysteresis in an online way. For this purpose, it is used a Self Organized Fuzzy Neural Network with Adaptative Gradient algorithm (SOFNN-AGA). Additionally, it is proposed to use sign function of velocity as an additional information to the network. A Bouc-Wen model for a magnetic-rheological damper (MRD) was used as a system test. A simple model was easily obtained since the structure and parameters are updated each iteration.

Instituições
  • 1 UFSJ - UNIVERSIDADE FEDERAL DE SÃO JOÃO DEL-REI
Eixo Temático
  • Identificação de Sistemas
Palavras-chave
System identification
Fuzzy Neural Networks
Nonlinear Systems
Hysteresis