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Reliability Analysis for Rotor-Stator Systems with Rubbing

机译：碰摩转子-定子系统的可靠性分析。

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摘要

On the basis of the dynamic equations of the Jeffcott rotor-stator model with imbalance, the reliability of the rotor-stator systems with rubbing is examined. A statistical fourth moment method is developed to determine the first four moments of system response and state function. The distribution function of the system state function is approximately determined by the standard normal distribution functions using the Edgeworth series technique. The reliability is obtained and the effect on reliability of shaft stiffness and damping, stator stiffness and damping, radial clearance and stator radial stiffness is studied. Numerical results are also presented and discussed.
机译：基于不平衡的Jeffcott转子-定子模型的动力学方程，检验了带有摩擦的转子-定子系统的可靠性。开发了统计第四矩方法来确定系统响应和状态函数的前四个矩。系统状态函数的分布函数大约由使用Edgeworth级数技术的标准正态分布函数确定。获得了可靠性，并研究了对轴刚度和阻尼，定子刚度和阻尼，径向游隙和定子径向刚度的可靠性的影响。数值结果也被提出和讨论。

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