基于塔筒振动特性识别风机塔螺栓松动的研究
何先龙1，佘天莉1，徐兵2，李杰2，陈刚2，曹国福2，
Method for detecting bolts looseness of a wind turbine tower based on its vibration characteristics
HE Xianlong1, SHE Tianli1, XU Bing2, LI Jie2, CHEN Gang2 and CAO Guofu2
振动与冲击
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2016, (14): 112
-118
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