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Gold Science and Technology ›› 2018, Vol. 26 ›› Issue (2): 187-194.doi: 10.11872/j.issn.1005-2518.2018.02.187

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Mine Safety Standardization Grade Evaluation Based on Fisher Discriminant Model

YANG Chao,SHI Xiuzhi   

  1. School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan,China
  • Received:2016-09-28 Revised:2016-12-23 Online:2018-04-30 Published:2018-05-19

Abstract:

 In hoping to simplify the content and the process of mine safety standardization evaluation grade and reflect the level of mine safety standardization truly,a mine safety standardization grade evaluation system was setted up.18 factors were selected as grade evaluation index from six aspects by combining actual situation of mines which are safety management,safety training,safety awareness,safety behavior,employee participation,safety performance mines.The grade evaluation index can provide ideas and reference for the construction of mine safety standardization.Then,the Fisher discriminant analysis (FDA)of mining safety standardization grade evaluation model was established.16 sets of data were selected as training samples,the discriminant function was used to check back,the estimated false positive rate was 0,and the other 4 sets of data were used as test samples,the discriminant rate was 100%.Finally,the model is used to predict the index data of five metal mines safety standardization,where the results are consistent with the actual situation.The study results show that the model applied in the evaluation of mine safety standardization grade is high reliable,the discrimination is accurate.It has become clear that the evaluated model can provided the direction and the way for constructing mine safety standardization which is conducive to the improvement of the level of safety management in mines.

Key words: safety management, safety standardization, grade evaluation system, grade evaluation model, Fi-sher discriminant analysis, discriminant function, training sample, reliability

CLC Number: 

  • X936

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