Nonlinear dynamic characteristics of mechatronics integrated planetary gears considering wear and temperature effects

Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics Pub Date : 2024-05-20 DOI:10.1177/14644193241253979

Jungang Wang, Xincheng Bi, Ruina Mo, Jiwen Ren, Yong Yi

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Abstract

The electromechanical planetary gear system has high work efficiency and long service life, but factors such as heat, wear, and electrical signals can affect the transmission performance of electromechanical planetary gears. This article comprehensively considers factors such as temperature, tooth surface wear, lubrication, current and voltage, damping ratio, etc. Based on the principle of thermal deformation, Archard wear model, and equivalent circuit principle, a dynamic model of electromechanical planetary gears is established. The existing literature has not comprehensively analyzed the effects of temperature, wear, and electrical signal changes on the nonlinear characteristics of electromechanical planetary gear systems. The results show that when the motor current is between 7 A and 18 A and the voltage is lower than the rated voltage, the system is in a stable state; as the temperature rises, the system tends to stabilize; the gear wear exceeds 30 μm, and the bifurcation characteristics of the system are more pronounced.

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考虑磨损和温度效应的机电一体化行星齿轮的非线性动态特性

机电行星齿轮系统工作效率高、使用寿命长，但发热、磨损、电信号等因素会影响机电行星齿轮的传动性能。本文综合考虑了温度、齿面磨损、润滑、电流和电压、阻尼比等因素。基于热变形原理、Archard 磨损模型和等效电路原理，建立了机电行星齿轮的动态模型。现有文献没有全面分析温度、磨损和电信号变化对机电行星齿轮系统非线性特性的影响。结果表明，当电机电流在 7 A 至 18 A 之间且电压低于额定电压时，系统处于稳定状态；随着温度的升高，系统趋于稳定；齿轮磨损超过 30 μm，系统的分叉特性更加明显。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics

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