东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2009, Vol. 30 ›› Issue (2): 258-261.DOI: -

• 论著 • 上一篇    下一篇

弹性转子系统动力学行为

王正浩;袁惠群;李东;闻邦椿;   

  1. 东北大学机械工程与自动化学院;
  • 收稿日期:2013-06-22 修回日期:2013-06-22 出版日期:2009-02-15 发布日期:2013-06-22
  • 通讯作者: Wang, Z.-H.
  • 作者简介:-
  • 基金资助:
    国家高技术研究发展计划项目(2006AA04Z408)

Dynamic behavior of elastic rotor system

Wang, Zheng-Hao (1); Yuan, Hui-Qun (1); Li, Dong (1); Wen, Bang-Chun (1)   

  1. (1) School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China
  • Received:2013-06-22 Revised:2013-06-22 Online:2009-02-15 Published:2013-06-22
  • Contact: Wang, Z.-H.
  • About author:-
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摘要： 提出了考虑机匣弹性、机匣与定子间的弹性联接和陀螺效应的碰摩转子动力学系统模型;运用数值积分方法获取了系统响应,分析了机匣与圆盘质量比和双圆盘偏心矩比对转子系统分岔与混沌行为的影响.结果发现,系统进入混沌的路径主要是阵发性混沌和周期3经倍分岔进入混沌;与刚性支承的情况加以比较,发现系统的弹性对混沌响应有一定的抑制作用.分析结果表明:机匣弹性使混沌响应的区域缩小,高阶临界转速减小,对高阶临界转速和共振振幅的影响比较大,而对低阶临界转速和共振振幅的影响较小.

关键词: 弹性转子系统, 分岔与混沌, 质量比, 偏心矩比, 碰摩

Abstract: Considering the elasticity of stator and the elastic connection between rotor and stator, a dynamic model of rotor system was developed with the rub-impact fault and gyroscopic effect both coming to pass. Getting the system response through numerical integration, the effects of the mass ratio of stator to rotor and eccentric torgue ratio of the two disks on the system bifurcation and chaos were analyzed. The results showed that the main routes the system enters chaos are from the intermittent chaos and the period 3 then through the period-doubling bifurcation. The elasticity of this system restrains the response to chaos to a certain extent in comparison with the system supported rigidly. A conclusion is therefore drawn that the elasticity of stator will get the domain of chaos response and high-order critical speed decreased and greatly affect the high-order critical speed and resonance amplitude, but it slightly affects the low-order critical speed and resonance amplitude.

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