山东大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (2): 94-99.doi: 10.6040/j.issn.1672-3961.0.2017.615
李朋1,2,吴华春1,2*,崔瑞芳1,2,熊振宇1,2
LI Peng1,2, WU Huachun1,2*, CUI Ruifang1,2, XIONG Zhenyu1,2
摘要: 针对传统磁悬浮转子动力学模型简单、模态分析误差较大的问题,提出考虑转子间接触效应的建模方法。采用接触有限元法建立磁悬浮转子过盈配合的有限元模型,通过理论计算和静力仿真分析相结合的方式,优化接触刚度因子(normal stiffness factor, FKN)和修正摩擦系数,得到过盈量与摩擦系数间的对应关系,为同类转子的模态精确分析提供参考。针对磁悬浮转子是否考虑接触效应进行对比分析,结果表明考虑接触效应能够有效提高模型的精度,求解更准确。
中图分类号:
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