[1]WANG Hui,QIN Shu,LIU Shaoying,et al.An improved algorithm of backward cloud based on curve fitting[J].CAAI Transactions on Intelligent Systems,2014,9(5):590-594.[doi:10.3969/j.issn.1673-4785.201304078]
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CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
9
Number of periods:
2014 5
Page number:
590-594
Column:
学术论文—人工智能基础
Public date:
2014-10-25
- Title:
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An improved algorithm of backward cloud based on curve fitting
- Author(s):
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WANG Hui; QIN Shu; LIU Shaoying; YU Lijun; WANG Kejun
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Herbin Engineering University College of Automation, Harbin 150001, China
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- Keywords:
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backward cloud generator; cloud model; curve fitting; parameters optimization; stabilit
- CLC:
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TP183
- DOI:
-
10.3969/j.issn.1673-4785.201304078
- Abstract:
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Backward cloud generator is a model, which transforms quantitative values into qualitative concepts. The estimated value of Ex has a great impact on En and He in backward cloud generated algorithm. The direct use of the sample mean will lead to large errors. This paper makes the more thorough research to the algorithm of cloud model. Furthermore, the backward cloud generated algorithm has been improved. The sample mean is used as the initial value of the nonlinear fitting function. Then, the fitting function returns parameter as estimated value of Ex. This can improve the instability of randomly selected the fitting initial value and achieve parameters optimization of the backward cloud algorithm. Compared with other several backward cloud generation algorithms, simulation result shows that the improved algorithm has better stability and higher accuracy.