Grade estimation using fuzzy- set algorithms |
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| Authors: | T D Pham |
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| Institution: | (1) Department of Electrical Engineering, University of Sydney, Sydney, NSW, Australia |
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| Abstract: | This paper presents a new approach for estimating unknown ore grades within a mining deposit in a fuzzy environment using
fuzzy c- means clustering and a fuzzy inference system. Based on a collection of cluster centers obtained from fuzzy c- means,
a fuzzy rule base and fuzzy search domains are established to compute grades at these cluster centers. These cluter center-
grade pairs act as control information in the fuzzy space- grade system in order to infer unknown grades on the basis of fuzzy
interpolation, fuzzy extrapolation, and a defuzzification process of fuzzy control. |
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| Keywords: | grade estimation fuzzy sets fuzzy c-means fuzzy inference fuzzy interpolation fuzzy extrapolation |
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