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本文用非线性力学模型研究低速传动系统常发生的爬行运动。首先建立它的运动方程,并分析从静摩擦到动摩擦的转变对滑块运动的影响。然后用相平面法分析滑块的运动规律,并确定爬行运动的相轨迹——极限环。最后找到低速传动系统发生爬行运动的临界参数条件以及有关计算公式和图线。这些结果都能与实际观察吻合,设计低速传动系统时可以应用。
In this paper, the non-linear mechanical model of low-speed transmission system often crawling. First, set up its equations of motion, and analyze the effect of the transition from static friction to dynamic friction on the slider motion. Then use the phase plane method to analyze the movement of the slider and determine the phase trajectory of the crawling motion - the limit cycle. Finally, we find the critical parameters of low-speed transmission system creep motion conditions and the calculation formula and the plot line. These results are consistent with the actual observation, the design of low-speed transmission system can be applied.