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Inicio  /  Coatings  /  Vol: 7 Núm: 4 Par: April (2017)  /  Artículo
ARTÍCULO
TITULO

Hybrid Metaheuristic-Neural Assessment of the Adhesion in Existing Cement Composites

Lukasz Sadowski    
Mehdi Nikoo and Mohammad Nikoo    

Resumen

The article presents the hybrid metaheuristic-neural assessment of the pull-off adhesion in existing multi-layer cement composites using artificial neural networks (ANNs) and the imperialist competitive algorithm (ICA). The ICA is a metaheuristic algorithm inspired by the human political-social evolution. This method is based solely on the use of ANNs and two non-destructive testing (NDT) methods: the impact-echo method (I-E) and the impulse response method (IR). In this research, the ICA has been used to optimize the weights of the ANN. The combined ICA-ANN model has been compared to the genetic algorithm (GA) and particle swarm optimization (PSO) to evaluate its accuracy. The results showed that the ICA-ANN model outperforms other techniques when testing datasets in terms of both effectiveness and efficiency. As presented in the validation stage, it is possible to reliably map the adhesion level on a tested surface without local damage to the latter.

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