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

Determination Method of Nonlinear Membership Function Based on the Density Function of the Square Error

Liu Qi, Liu Kuili, Liu Xuelin, Wang Jie, Chen Zhanwei and Huang Zhenzhen
Corresponding Author:  Liu Qi 

Key words:  Density function of square error, flow out rate, function approximation, fuzzy density cluster, membership function, petroleum drilling,
Vol. 5 , (08): 2504-2508
Submitted Accepted Published
July 27, 2012 September 03, 2012 March 15, 2013
Abstract:

In this study, membership function is used to express the uncertainty in the petroleum drilling, then the fuzzy density clustering method based on density function of square error is put forward, which has avoided the defect of artificial clustering parameter and initial centroid, by using this fast algorithm, the clustering center, the number of clustering center and the parameters used for describing the nonlinear membership function can be obtained. In the simulation, the nonlinear membership function of change percentage of flow out rate EB_Da36 is determined, which has solved the problem that the membership function is hard to be defined.
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  Cite this Reference:
Liu Qi, Liu Kuili, Liu Xuelin, Wang Jie, Chen Zhanwei and Huang Zhenzhen, 2013. Determination Method of Nonlinear Membership Function Based on the Density Function of the Square Error.  Research Journal of Applied Sciences, Engineering and Technology, 5(08): 2504-2508.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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