Dynamic Reliability-Based Optimization for the Graduation Precision of End Gear Tray

2023 9th International Symposium on System Security, Safety, and Reliability (ISSSR) Pub Date : 2023-06-01 DOI:10.1109/ISSSR58837.2023.00025

Bingxiang Wang, Xianzhen Huang, Miaoxin Chang, Xingang Wang

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引用次数: 0

Abstract

The graduation precision of the end gear tray directly affects the accuracy of the whole tool. By considering the multiple error factors, a graduation precision error model of the end gear tray is established. Then, its dynamic reliability is firstly analyzed by both First-Order-Second-Moment and Second-Order-Fourth-Moment. Besides, the dynamic reliability-based sensitivity and the influence of the parameter variations on the reliability are analyzed. Especially, based on sensitivity analysis, the dynamic reliability-based optimization design is carried out. The result shows that not only the dynamic reliability of the end gear tray graduation precision is greatly improved by optimization, but also the sensitivity of the random parameters is minimized on the premise of reliability assurance, and the volume and the manufacturing cost are both greatly reduced. Finally, Monte Carlo simulation is adopted to test the optimization results of the end gear tray and the result proves the practicality and accuracy of the proposed method.

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基于动态可靠性的端齿轮盘毕业精度优化

端齿轮盘的分度精度直接影响到整个刀具的精度。在考虑多种误差因素的基础上，建立了端齿盘的分度精度误差模型。然后，首先用一阶-二阶矩和二阶-四阶矩分析了其动态可靠度。此外，还分析了基于动态可靠度的灵敏度和参数变化对可靠性的影响。特别是在灵敏度分析的基础上，进行了基于动态可靠性的优化设计。结果表明，通过优化不仅大大提高了端齿轮盘分度精度的动态可靠性，而且在保证可靠性的前提下，使随机参数的敏感性最小化，大大减小了体积和制造成本。最后，采用蒙特卡罗仿真对端齿盘的优化结果进行了验证，结果证明了所提方法的实用性和准确性。

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

2023 9th International Symposium on System Security, Safety, and Reliability (ISSSR)

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