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The Application of SOFM Fuzzy Neural Network in Project Cost Estimate

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Author(s): WenFeng Feng | WenJuan Zhu

Journal: Journal of Software
ISSN 1796-217X

Volume: 6;
Issue: 8;
Start page: 1452;
Date: 2011;
Original page

Keywords: fuzzy neural network | self-organizing feature map | cost estimate

ABSTRACT
Applications of neural network were widely used in construct project cost estimate. Aim at handling weakness of poor convergence and insufficient forecast, an improved fuzzy neural network method based on SOFM (self-organizing feature map) was proposed to replace the fashionable T-S fuzzy neural network. The method illustrated how to apply SOFM to improve the fault such as poor convergence and insufficient forecast. After optimizing of T-S fuzzy neural network model, construct project cost estimate model had been built up. Finally, the model was set up with the purpose of comparing generalization ability by 18 examples and 2 testing samples. Comparing the simulation, a positive result was found that SOFM fuzzy neural network had a better performance in reducing the forecast error and iterating times than BP, and GA-BP. Therefore, this model is fit for handling construct project cost estimate.
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