A Hybrid System Composed of Neural Networks and Genetic Algorithms

A Hybrid System Composed of Neural Networks and Genetic Algorithms

Dumitrescu Mihaela (University of Pitesti, Pitesti, Romania)
DOI: 10.4018/jabim.2012100105
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Abstract

Neural networks are known for their ability to recognize patterns of noisy, complex data and to estimate a nonlinear relationship between them. But the design of neural networks is very complex because it works on the principle of “black box.” The application of genetic algorithms in neural networks with hybrid systems can improve a network’s ability to make predictions. Hybrid systems involve the use of combined techniques, issues and different models in order to achieve the overall performance better than those offered by each solution considered separately. Projections made by hybrid systems have smaller errors and constructed systems are able to automatically select the variables necessary to function effectively. This is possible due to the principle of selective biological function of genetic algorithms. They select from a large population of neural networks the best generations, made their exchange of elements and even mutations to get the most advanced networks. For an evolving and performance changes economic environment are necessary tools that can help make faster optimal decisions and increase the business efficiency.
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3. Artificial Neural Networks

Artificial neural networks are computer reproduction of the human nervous system (Michalaewicz, Schmidt, Michalewicz, & Chiriac, 2007; Gorunescu, 2011). An artificial neural network contains several layers of artificial neurons: input layer, hidden layer and output layer. They are connected and to build a neural network architecture is a complex activity.Listen

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