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Study on the Improved D-S Evidence Theory and its Application on Gas Outburst Prediction

Authors:
Yanzi Miao

Keywords: D-S Evidence Theory; Gas Outburst Prediction; Fuzzy Sets.

Abstract:
This paper introduces improved combination rules for the D-S Evidence Theory for dealing with the evidence conflicts which considers the coherence evidence and the conflicts evidences together and allocate the conflicts to various focal elements according to the credibility of the coherence evidence. Also after introduce the similarity degree to denote the similarity between two fuzzy focal elements, and extended the Bel and Pl functions for processing fuzzy data, the improved extension combination rules of the D-S evidence theory to fuzzy sets are described. The coal and gas outburst prediction experiments show that the fusion result with the improved combination rule of the D-S Evidence Theory is more reasonable and could give a more certain decision than each independent method.

Pages: 22 to 27

Copyright: Copyright (c) IARIA, 2010

Publication date: November 21, 2010

Published in: conference

ISSN: 2308-3735

ISBN: 978-1-61208-107-6

Location: Lisbon, Portugal

Dates: from November 21, 2010 to November 26, 2010