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A semi-analytical bearing model considering outer race flexibility for model based bearing load monitoring

机译：基于外圈柔性的半解析轴承模型，用于基于模型的轴承负荷监测

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摘要

This paper proposes a novel semi-analytical bearing model addressing flexibility of the bearing outer race structure. It furthermore presents the application of this model in a bearing load condition monitoring approach. The bearing model is developed as current computational low cost bearing models fail to provide an accurate description of the more and more common flexible size and weight optimized bearing designs due to their assumptions of rigidity. In the proposed bearing model raceway flexibility is described by the use of static deformation shapes. The excitation of the deformation shapes is calculated based on the modelled rolling element loads and a Fourier series based compliance approximation. The resulting model is computational low cost and provides an accurate description of the rolling element loads for flexible outer raceway structures. The latter is validated by a simulation-based comparison study with a well-established bearing simulation software tool. An experimental study finally shows the potential of the proposed model in a bearing load monitoring approach.
机译：本文提出了一种新颖的半解析轴承模型，以解决轴承外圈结构的柔性问题。此外，它还介绍了该模型在轴承载荷状态监测方法中的应用。轴承模型的开发是因为当前的计算性低成本轴承模型由于对刚性的假设而无法提供越来越常见的柔性尺寸和重量优化轴承设计的准确描述。在提出的轴承模型中，滚道的柔性通过使用静态变形形状来描述。基于建模的滚动元件载荷和基于傅立叶级数的顺应性近似来计算变形形状的激励。所得模型的计算成本较低，并且可以为柔性外部滚道结构提供滚动元件载荷的准确描述。后者已通过使用成熟的轴承仿真软件工具进行的基于仿真的比较研究得到验证。最后的实验研究表明了该模型在轴承载荷监测方法中的潜力。

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  • 来源
    《Mechanical systems and signal processing》 |2018年第may1期|384-397|共14页
  • 作者

    Stijn Kerst; Barys Shyrokau; Edward Holweg;

  • 作者单位

    Department of Cognitive Robotics, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, The Netherlands;

    Department of Cognitive Robotics, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, The Netherlands;

    Department of Cognitive Robotics, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, The Netherlands;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Rolling bearing; Load reconstruction; Modelling; Condition monitoring;

    机译：滚动轴承;负载重建;造型;状态监测;

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