一个带有平底追随系统的凸轮的动力学分析
Xiaorong Zhang1, Guanwei Luo2, Zheng Wang1
1School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
Scientific reports
|August 9, 2025
概括
由于追随杆弹性导致的凸轮追随系统中的动态错误是使用非线性赫兹弹性接触来解决的. 分析揭示了稳定的操作间隔和故障范围,这对于准确的凸轮形状设计至关重要.
科学领域:
- 机械工程 机械工程
- 动力学和控制系统系统.
背景情况:
- 追随杆的弹性会在跟随系统中引入动态错误.
- 精确的凸轮形状设计需要考虑这些动态效应.
研究的目的:
- 分析带有非线性赫兹弹性接触的追随系统的动态行为.
- 为了确定系统参数的稳定运行区域和故障边界.
主要方法:
- 非线性赫兹弹性接触模型用于跟随者交互.
- 在两个参数平面上进行系统动态分析.
- 两叉,阶段和映射图用于性能相关性.
主要成果:
- 确定了系统参数的稳定运行间隔和故障范围.
- 分析了不同运动状态之间的转移过程.
- 建立了旋转速度,压力,刚性,缩和动态性能之间的相关性.
结论:
- 脱离主要发生在远居阶段和过渡到近居阶段.
- 了解这些动态对于防止脱离和确保可靠的系统运行至关重要.
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