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    Abstract
2013 (Vol. 5, Issue: 08)
Article Information:

Determination Method of Nonlinear Membership Function Based on the Fuzzy Density Means Cluster

Liu Qi, Chen Xi, Wu Zhenjie, Liu Xuelin, Wang Jie and Chen Zhanwei
Corresponding Author:  Liu Qi 

Key words:  Function approximation, fuzzy density means cluster, initial cluster center, membership function, petroleum drilling, variation of total volume,
Vol. 5 , (08): 2527-2530
Submitted Accepted Published
July 27, 2012 September 03, 2012 March 15, 2013
Abstract:

Gaussian and Sigmoid membership function are commonly used, both of which have well smoothness, clear physical meaning and have no zeros in their figures. In this paper, fuzzy density means clustering method based on data distance is put forward, by using this method, the initial cluster center is obtained objectively, which has avoided the cluster results falling into a local minimum, finally the parameters used for describe the membership function are got. Through simulation, the membership function of data EB_Da51 in petroleum drilling is determined, which solves the problem that the function is hard to be defined.
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  Cite this Reference:
Liu Qi, Chen Xi, Wu Zhenjie, Liu Xuelin, Wang Jie and Chen Zhanwei, 2013. Determination Method of Nonlinear Membership Function Based on the Fuzzy Density Means Cluster.  Research Journal of Applied Sciences, Engineering and Technology, 5(08): 2527-2530.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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