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A cooperative expert based support vector regression (Co-ESVR) system to determine collar dimensions around bridge pier

Jahangirzadeh, Afshin ; Shamshirband, Shahaboddin ; Aghabozorgi, Saeed ; Akib, Shatirah ; Basser, Hossein ; Anuar, Nor Badrul ; Kiah, Miss Laiha Mat

Neurocomputing (Amsterdam), 2014-09, Vol.140, p.172-184 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
A cooperative expert based support vector regression (Co-ESVR) system to determine collar dimensions around bridge pier
Autor: Jahangirzadeh, Afshin ; Shamshirband, Shahaboddin ; Aghabozorgi, Saeed ; Akib, Shatirah ; Basser, Hossein ; Anuar, Nor Badrul ; Kiah, Miss Laiha Mat
Assuntos: Applied sciences ; Artificial intelligence ; Bridge piers ; Bridges ; Buildings. Public works ; Collar ; Collars ; Computer science; control theory; systems ; Computer systems and distributed systems. User interface ; Cooperative ; Data processing. List processing. Character string processing ; Exact sciences and technology ; Expert system ; Mathematical analysis ; Mathematical models ; Memory organisation. Data processing ; Multi agent system ; Networks ; Optimization ; Regression ; Scour ; Software ; Support vector regression ; Vectors (mathematics)
É parte de: Neurocomputing (Amsterdam), 2014-09, Vol.140, p.172-184
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: In this study, a new procedure to determine the optimum dimensions for a rectangular collar to minimize the temporal trend of scouring around a pier model is proposed. Unlike previous methods of predicting collar dimensions around a bridge pier, the proposed approach concerns the selection of different collar dimension sizes around a bridge scour in terms of the flume׳s upstream (Luc/D), downstream (Ldc/D) and width (Lw/D) of the flume. The projected determination method involves utilizing Expert Multi Agent System (E-MAS) based Support Vector Regression (SVR) agents with respect to cooperative-based expert SVR (Co-ESVR). The SVR agents (i.e. SVRLuc, SVRLdc and SVRLw) are set around a rectangular collar to predict the collar dimensions around a bridge pier. In the first layer, the Expert System (ES) is adopted to gather suitable data and send it to the next layer. The multi agent-based SVR adjusts its parameters to find the optimal cost prediction function in the collar dimensions around the bridge pier to reduce the collar around the bridge scour. The weighted sharing strategy was utilized to select the cost optimization function through the root mean square error (RMSE). The efficiency of the proposed optimization method (Co-ESVR) was explored by comparing its outcomes with experimental results. Numerical results indicate that the Co-ESVR achieves better accuracy in reducing the percentage of scour depth (re) with a smaller network size, compared to the non-cooperative approaches.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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A cooperative expert based support vector regression (Co-ESVR) system to determine collar dimensions around bridge pier

Jahangirzadeh, Afshin ; Shamshirband, Shahaboddin ; Aghabozorgi, Saeed ; Akib, Shatirah ; Basser, Hossein ; Anuar, Nor Badrul ; Kiah, Miss Laiha Mat

Amsterdam: Elsevier B.V

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