修改变量的非线性动态特征 超标圆弧圆弧牙痕 圆柱形轮
1School of Engineering and Technology, Zunyi Normal University, Zunyi, 563006, China. scumdq@163.com.
Scientific reports
|April 29, 2025
概括
变高波形圆弧牙痕 (VH-CATT) 圆柱轮的牙表面修改显著改善了非线性动态特性. 这种增强可以减少振动,噪音和传输错误,从而增加使用寿命和承载能力.
科学领域:
- 机械工程 机械工程
- 动力学和控制系统系统.
- 部落学 (tribology) 是一个学科.
背景情况:
- 非线性动态特征是可变的过度圆弧圆弧牙痕 (VH-CATT) 圆柱轮的关键性能指标.
- 对这些动态的准确分析对于预测和提高VH-CATT轮系统的使用寿命至关重要.
研究的目的:
- 为了研究VH-CATT圆柱轮的非线性动态特性.
- 分析牙表面修饰对这些动态行为的影响.
- 为提高VH-CATT轮承载能力提供基础.
主要方法:
- 建立了时间变化的刚度,传输误差和网格冲击的公式.
- 根据形成理论开发了修改的VH-CATT轮的数学模型.
- 使用可控制设计和牙表面优化模型来确定最佳修改参数.
- 使用曲扭矩合动态模型来评估修改效应,并通过传动实验验证实.
主要成果:
- 牙表面的修改导致负载减少,硬度增加,传输误差 (LTE) 和其波动减少.
- 修改转移了分叉图,将复杂的运动转化为特定频率范围内的周期性运动.
- 与未经修改的轮相比,经过修改的轮表现出较低的振动位移,较低的传输误差和更好的传输效率.
结论:
- 牙表面的修改有效地增强了VH-CATT圆柱轮的非线性动态特性.
- 这些修改有利于减少振动和噪音,从而提高整体性能和承载能力.
- 实验验证证证实了理论发现,支持这些修改的实际应用.
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