论文标题
通过功能数据进行表面质量变化检测的假设测试
Hypothesis Tests with Functional Data for Surface Quality Change Detection in Surface Finishing Processes
论文作者
论文摘要
这项工作涉及提供在表面整理过程中停止或改变工具的原则决策过程。决策过程应该适用于非平板几何形状的产品。该解决方案基于从表面完成过程的两个连续阶段对轴承区域曲线进行假设检验。在每个阶段，轴承面积曲线实际上是代表表面粗糙度的非参数分位曲线，是从产品表面上许多采样位置的表面剖面测量中提取的。这些曲线的假设检验会告诉决策者是否在当前的整理动作引起的表面质量发生了变化。当检测到这种变化时，当前的动作被认为有效，因此应继续，当未检测到变更时，当前行动的有效性被提出质疑，这可能会在行动过程中发出一些变化。基于假设检验的决策程序应用于球形和平坦表面的应用证明了所提出的方法的有效性和好处，并确认其几何形状 - 不合命中的性质。
This work is concerned with providing a principled decision process for stopping or tool-changing in a surface finishing process. The decision process is supposed to work for products of non-flat geometry. The solution is based on conducting hypothesis testing on the bearing area curves from two consecutive stages of a surface finishing process. In each stage, the bearing area curves, which are in fact the nonparametric quantile curves representing the surface roughness, are extracted from surface profile measurements at a number of sampling locations on the surface of the products. The hypothesis test of these curves informs the decision makers whether there is a change in surface quality induced by the current finishing action. When such change is detected, the current action is deemed effective and should thus continue, while when no change is detected, the effectiveness of the current action is then called into question, signaling possibly some change in the course of action. Application of the hypothesis testing-based decision procedure to both spherical and flat surfaces demonstrates the effectiveness and benefit of the proposed method and confirms its geometry-agnostic nature.
