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首页> 外文会议>The 2002 Global Powertrain Congress on Advanced Transmission/Drivetrain Systems Vol.21 Sep 24-26, 2002 Ann Arbor, Michigan USA >Automatic Transmission System Dynamics Simulation for the Reduction of Gear Whine
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Automatic Transmission System Dynamics Simulation for the Reduction of Gear Whine

机译：减少齿轮噪音的自动变速箱动力学仿真

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摘要

Automatic transmissions have gear whine issues due to transmission error at the gear-set, which can be amplified by system dynamics. To address this, Ford Motor Company has developed simulation guidelines to identify potential gear whine concerns, to understand the transmission system dynamics and to conduct sensitivity studies aimed at minimizing gear whine risk in the pre-prototype stage. Standardization of the analysis technique has also been extended to the prototype prove-out stage, where gear whine issues are traditionally addressed using testing. The guidelines describe detailed finite element component and interface modeling methods for each of the transmission development stages. The guidelines also indicate key metrics used to identify gear whine in the analytical model and are based on past analysis experiences for the resolution of transmission gear whine. This methodology, the metrics, and critical design parameters that affect gear whine are presented in this paper. This simulation methodology has been applied to a new transmission program, which is in the design and development stage. The transmission system finite element model includes flexible models or mass/inertias of all internal components in the power-flow and noise path. The critical components affecting a potential gear whine concern have been correlated. Recommended design changes from the correlated model to reduce gear whine have been identified and reported.
机译：由于齿轮组的变速箱误差，自动变速箱会出现齿轮磨损问题，这可以通过系统动力学来放大。为了解决这个问题，福特汽车公司开发了模拟指南，以识别潜在的齿轮发声问题，了解传动系统的动态，并进行敏感性研究，以最大程度地降低原型开发阶段的齿轮发声风险。分析技术的标准化也已扩展到原型验证阶段，该阶段传统上通过测试解决了齿轮发声问题。该指南描述了每个变速箱开发阶段的详细有限元组件和接口建模方法。该指南还指出了在分析模型中用于识别齿轮发声的关键指标，并且基于过去对变速箱齿轮发声的分析经验。本文介绍了影响齿轮发声的方法论，度量标准和关键设计参数。该仿真方法已应用于处于设计和开发阶段的新变速箱程序。传输系统有限元模型包括功率流和噪声路径中所有内部组件的灵活模型或质量/惯性。影响潜在的齿轮发声问题的关键组件已建立关联。已经确定并报告了相关模型的建议设计更改，以减少齿轮发声。

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