This dissertation primarily represents the study of in multi-degree-of-freedom system dynamics and structural dynamics analyses of an aeronautic gear transmission.

本文主要在齿轮传动系统的多自由度系统动力学及其主要传动件结构动力分析两个方面进行了论述和研究。

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The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.

并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。

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A decoupling control approach based on inverse system has been used for the innovative five degree-of-freedom bearing less induction motor, which is multi-variable, nonlinear and high coupling.

针对新型五自由度无轴承异步电动机这一多变量、非线性、强耦合的系统，采用逆系统的方法进行解耦控制。

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