Life Analysis of Fan Spindle Bearing based on Grey Markov Algorithm
Zhang Han,Wu Jianxin,Qiu Yiqing,Chen Qiang
Table 1 Bearing damage in a wind power plant
Year 2008 2009 2010 2011 2012
Number 66 63 65 59 58
Year 2013 2014 2015 2016 2017
Number 65 58 57 61 63