Operational transfer path analysis for the fixed shaft gear transmission system based on the simulation and experiment

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-09-14 DOI:10.1177/09544070241276031

Hui Liu, Qi Yan, Pu Gao, Keyu Yan, Yunkun Xie

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引用次数: 0

Abstract

The Operational Transfer Path Analysis (OTPA) is widely used to analyze signal transfer paths in various fields, but its applications in gear transmission systems are limited. In this paper, the OTPA method is appropriately applied to the study of vibration signal transfer paths of fixed shaft gear transmission systems. Firstly, the dynamic model of a three-axis two-stage fixed-shaft gear transmission system is developed. This model takes into account factors such as the impact of dynamic center distance on backlash and provides a comprehensive analysis of time-varying meshing stiffness and forces. Experiments are conducted to verify the accuracy of the model. Subsequently, this paper delves into the OTPA process for solving the signal transfer coefficient matrix. It also derives the calculation method for computing the contribution of signal transfer paths, which provides a theoretical basis for establishing the evaluation mechanism of the signal transfer paths. Next, the gear transmission system’s signal transfer is analyzed based on the OTPA method, and the contribution of each path is computed. The dominant path is identified by ranking the contribution of these paths. Finally, the excitation experiment of a single signal transfer path reveals the essence of the signal transfer mechanism. This research contributes to a deeper understanding of signal transfer paths within gear transmission systems based on the OTPA method, it identifies the optimal distribution of sensor installation positions for fault signal diagnosis, paving the way for more effective fault detection and diagnosis in the gear transmission system.

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基于仿真和实验的固定轴齿轮传动系统运行传递路径分析

运算传递路径分析法（OTPA）被广泛应用于各个领域的信号传递路径分析，但其在齿轮传动系统中的应用却很有限。本文将 OTPA 方法恰当地应用于研究固定轴齿轮传动系统的振动信号传递路径。首先，建立了三轴两级固定轴齿轮传动系统的动态模型。该模型考虑了动态中心距对反向间隙的影响等因素，并对时变啮合刚度和力进行了全面分析。实验验证了模型的准确性。随后，本文深入探讨了求解信号传递系数矩阵的 OTPA 过程。本文还推导了计算信号传递路径贡献的计算方法，为建立信号传递路径的评估机制提供了理论依据。接下来，根据 OTPA 方法对齿轮传动系统的信号传输进行分析，并计算各路径的贡献率。通过对这些路径的贡献率进行排序，确定了主导路径。最后，单一信号传输路径的激励实验揭示了信号传输机制的本质。这项研究有助于基于 OTPA 方法更深入地理解齿轮传动系统内的信号传递路径，确定了故障信号诊断中传感器安装位置的最佳分布，为更有效地检测和诊断齿轮传动系统中的故障铺平了道路。

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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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.