In this article, current situation and trend in the research of gear drive oscillation are discussed and design of optimum dynamic performance probed.

论述了当前齿轮传动振动研究的现状及发展趋向，对齿轮传动动态性能优化设计进行了探讨。

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Constant current charging by switch control is the main method to generate non-sinusoid oscillation waveform.

采用开关元件控制的恒流充放电是产生稳定非正弦振荡波的主要方法。

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Especially, the sub-harmonic oscillation of the low frequency inductor current is analyzed and the method to solve this problem is proposed.

分析了变换器低频电感电流的次谐波振荡问题，并提出了抑制措施，实验验证了理论分析的正确性。

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