Combining SOM and evolutionary computation algorithms for RBF neural network training

Zhen-Yao Chen () and R. J. Kuo ()
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Zhen-Yao Chen: DE LIN Institute of Technology
R. J. Kuo: National Taiwan University of Science and Technology

Journal of Intelligent Manufacturing, 2019, vol. 30, issue 3, No 12, 1137-1154

Abstract: Abstract This paper intends to enhance the learning performance of radial basis function neural network (RBFnn) using self-organizing map (SOM) neural network (SOMnn). In addition, the particle swarm optimization (PSO) and genetic algorithm (GA) based (PG) algorithm is employed to train RBFnn for function approximation. The proposed mix of SOMnn with PG (MSPG) algorithm combines the automatically clustering ability of SOMnn and the PG algorithm. The simulation results revealed that SOMnn, PSO and GA approaches can be combined ingeniously and redeveloped into a hybrid algorithm which aims for obtaining a more accurate learning performance among relevant algorithms. On the other hand, method evaluation results for four continuous test function experiments and the demand estimation case showed that the MSPG algorithm outperforms other algorithms and the Box–Jenkins models in accuracy. Additionally, the proposed MSPG algorithm is allowed to be embedded into business’ enterprise resource planning system in different industries to provide suppliers, resellers or retailers in the supply chain more accurate demand information for evaluation and so to lower the inventory cost. Next, it can be further applied to the intelligent manufacturing system to cope with real situation in the industry to meet the need of customization.

Keywords: Hybrid algorithm; Radial basis function neural network; Self-organizing map neural network; Particle swarm optimization; Genetic algorithm (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s10845-017-1313-7

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