| 滚动轴承-柔性碰摩转子系统非线性动力学响应分析 |
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| 引用本文： | 梁明轩,袁惠群.滚动轴承-柔性碰摩转子系统非线性动力学响应分析[J].动力学与控制学报,2013,11(2):153-158. |
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| 作者姓名： | 梁明轩 袁惠群 |
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| 作者单位： | 东北大学机械工程与自动化学院,沈阳 110819;东北大学理学院,沈阳 110819 |
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| 基金项目： | 国家高技术研究发展计划项目 (2012AA040104) |
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| 摘 要： | 针对现有轴承-转子系统动力学模型的不足,考虑非线性滚动轴承力、不平衡量、碰摩故障及陀螺效应,建立了滚动轴承-柔性对称碰摩转子系统非线性集中质量模型.通过数值计算与比较,结果表明:低转速下系统响应主要表现为滚动轴承的变刚度振动,高转速下轴承变刚度振动的影响相对减弱,转子不平衡和碰摩故障对系统的影响逐渐增强,陀螺效应对高转速下对称转子的响应不容忽略.
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| 关 键 词： | 滚动轴承 碰摩故障 非线性响应 陀螺效应 |
| 收稿时间： | 2013/2/22 0:00:00 |
| 修稿时间： | 4/2/2013 12:00:00 AM |
Nonlinear dynamic response on rotor system of ball bearing-flexible rub |
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| Liang Mingxuan,Yuan Huiqun.Nonlinear dynamic response on rotor system of ball bearing-flexible rub[J].Journal of Dynamics and Control,2013,11(2):153-158. |
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| Authors: | Liang Mingxuan Yuan Huiqun |
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| Affiliation: | 1. School of Mechanical Engineer ＆ Automation, Northeastern University, Shenyang 110819, China ) ( 2. School of Science, Northeastern University, Shenyang 110819, China ) |
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| Abstract: | For overcoming the deficiencies of the existing bearing rotor system dynamic model, a nonlinear lumped mass model of ball bearing flexible rub rotor system is established, in which the nonlinear ball bearing force, unbalance, rubbing fault and gyroscopic effect are considered. Based on the numerical calculation and comparison, some conclusions can be obtained. The rotor system response is variable stiffness vibration of the ball bearing under low speed. Comparing with that of high speed the variable stiffness vibration of the ball bearing weaken. The influence of the rotor unbalance and rubbing fault on rotor system is strengthened gradually. The gyroscopic effect on high speed symmetric rotor response is important. |
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| Keywords: | ball bearing rubbing fault nonlinear response gyroscopic effect |
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