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平面正弦钢球传动机构扭振动力学及灵敏度分析
Authors
宁林飞
张思
+3 more
李美求
石应华
罗竞波
Publication date
1 January 2020
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
随着平面正弦钢球活齿传动在各行业的广泛应用,其动态特性和振动问题的研究也显得极为重要。针对平面正弦钢球传动机构的扭转振动模型及其固有特性,采用集中参数法建立了5自由度的扭转振动力学模型。根据无阻尼自由振动方程,计算系统的固有频率和模态振型;采用偏导数法分析系统固有频率对惯量参数和刚度参数的灵敏度,归纳出对系统固有频率影响较为显著的结构参数。通过修改对系统固有频率灵敏度较高的参数,以避免系统与外界激励产生共振,从而提高了系统运行的稳定性
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Last time updated on 06/04/2023