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  • ISSN 1005-2518 
  • Founded in 1988
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Mining Technology and Mine Management

Optimization of Mining Method with Subjective and Objective Combination Weight TOPSIS Based on Game Theory

  • Longxin DENG ,
  • Jianhong CHEN
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  • School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan,China

Received date: 2021-06-20

  Revised date: 2021-09-22

  Online published: 2022-06-17

Abstract

In the current optimization of mining methods, subjective components lead to more information loss, and the relative importance of evaluation indicators is unreasonable.This paper fully considered the results of the combination of comprehensive degree analysis method and fuzzy analytic hierarchy process-fuzzy extended analytic hierarchy process (FEAHP) and objective weight method CRITIC,used FEAHP to determine the subjective weight of each index in the optimization system of mining method.CRITIC algorithm was used to calculate the conflict between various indicators,so as to calculate the objective weight.Then,the principles of game theory was used to compromise the subjective and objective weights,and find their consistency to obtain a reasonable combination weight.Finally,combined with the real data of the alternatives,the distance between the four alternatives and the positive and negative ideal solutions is obtained by the distance measurement method in TOPSIS,and the relative patching progress of the four alternatives was calculated.The options of the upward approach cement filling method (Scheme 1), the shallow hole retention and subsequent filling method (Scheme 2), the upward horizontal layered filling method (Scheme 3) and the downward horizontal layered filling method (Scheme 4).The relative patching progress of the four alternatives are 0.4547,0.4441,0.5872,0.4072 respectively.It is concluded that the third scheme (upward horizontal stratified filling method) is the best,and the relative paste progress of 0.5872 also fully demonstrates that the upward horizontal stratified filling method has formed a strong contrast with the other three schemes,showing that the scheme meets the requirements of modern mining engineering for safety,low cost,and high profit,highlights its own advantages,and is consistent with mine examples and other experts’ research, indicating that the model is scientific and effective for mining optimization.

Cite this article

Longxin DENG , Jianhong CHEN . Optimization of Mining Method with Subjective and Objective Combination Weight TOPSIS Based on Game Theory[J]. Gold Science and Technology, 2022 , 30(2) : 282 -290 . DOI: 10.11872/j.issn.1005-2518.2022.02.078

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