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.

Keywords:

Function approximation, fuzzy density means cluster, initial cluster center, membership function, petroleum drilling, variation of total volume,

References

Competing interests

The authors have no competing interests.

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Copyright

The authors have no competing interests.