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Dynamic Response of Gear Systems with Irregular Surface Pitting
编号：121 访问权限：仅限参会人 更新：2026-10-11 15:35:10 浏览：16次 口头报告

报告开始：暂无开始时间（Asia/Shanghai）

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摘要
Abstract—This study investigates the effects of irregular tooth-surface pitting under mixed lubrication on the dynamic behavior of gears. A matrix model is used to represent the irregular pit geometry, and oil-film stiffness is incorporated into the calculation of time-varying mesh stiffness (TVMS). The reconstructed tooth surface is used to determine surface roughness and the friction coefficient, which is then applied in a six-degree-of-freedom gear dynamic model. The simulation results indicate that pitting modifies both TVMS and friction, increases displacement peaks, and produces sidebands spaced at the pinion rotational frequency. Under the simulated operating conditions, these sideband amplitudes increase with pitting severity, suggesting their potential use as indicators for assessing gear pitting faults.
关键词
Irregular surface pitting,Oil-film stiffness,TVMS,Dynamic response
报告人
Mingli Hou
students Anhui University

稿件作者
Mingli Hou Anhui University
Xianzeng Liu Anhui University
Yongbin Liu Anhui University
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重要日期

  • 会议日期

    11月06日

    2026

    至

    11月08日

    2026

  • 10月15日 2026

    初稿截稿日期

主办单位
IEEE Instrumentation and Measurement Society
承办单位
Sichuan University
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