旋转机械转轴裂纹损伤故障研究进展

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The recent main achievement and development about the study on fault diagnosis of rotating machinery with crack faults in shaft are summarized and discussed. First, the research status about the research methods, the dynamics model of erak stiffness, nonlinear dynamics characteristics of rotating machinery with crack faults are addressed. Then the problems to be solved in research of crack faults in shaft of rotating machinery are pointed out, and the research trends of fault diagnosis in rotating machinery are prospected.综述了近年来旋转机械转轴裂纹损伤故障诊断研究的主要成果和发展前景。对旋转机械转子系统转轴裂纹损伤非线性特性的研究方法、裂纹刚度模型和非线性动力学特性问题的国内外研究现状进行了概述。在此基础上，指出了目前旋转机械转轴裂纹损伤故障问题研究尚待解决的问题，并对今后的发展趋势进行了展望。