Statistics of coal mine safety accidents cause based on principal component analysis
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摘要: 以2001—2011年煤矿安全事故发生频次为例，应用主成分分析法得到煤矿安全事故原因的第1、第2主成分，进一步分析得出煤矿安全事故主要是由冒顶事故和机械事故引起。分析结果表明，主成分分析法对煤矿安全设施规划有一定的指导作用。Abstract: Taking occurrence frequencies of coal mine safety accidents in 2001—2011 as example, the first and second principal component of the coal mine safety accidents cause were obtained by use of principal component analysis method, and it was found out that the coal mine safety accidents mainly caused by roof fall accident and machinery accident through further analysis. The analysis result shows that the method has certain guidance for planning of coal mine safety facilities.
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Key words:
- coal mine safety /
- accident statistics /
- accident cause /
- principal component analysis
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