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Abstract
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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
Submitted: July 27, 2012
Accepted: September 03, 2012
Published: March 15, 2013 |
Abstract:
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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.
Key words: Function approximation, fuzzy density means cluster, initial cluster center, membership function, petroleum drilling, variation of total volume,
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Cite this Reference:
Liu Qi, Chen Xi, Wu Zhenjie, Liu Xuelin, Wang Jie and Chen Zhanwei, . Determination Method of Nonlinear Membership Function Based on the Fuzzy Density Means Cluster. Research Journal of Applied Sciences, Engineering and Technology, (08): 2527-2530.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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