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本文用阻抗匹配法提出了转子—轴承—基础—土壤系统稳定性计算的理论方法,计算了郑州机械研究所油膜振荡实验台的稳定性;计算结果与郑州所的实测值较吻合;并探讨了考虑基础—土壤影响之后失稳转速提高的原因与基础参数对系统稳定性的影响。
In this paper, the theoretical method of rotor-bearing-foundation-soil system stability calculation is proposed by impedance matching method, and the stability of the oil film oscillation test bench of Zhengzhou Institute of Machinery is calculated. The calculation results are in good agreement with the measured values in Zhengzhou. Consideration of the Causes of Increasing Instability Speed after Soil Influence and Influence of Basic Parameters on System Stability.