Integrated platform for coordinate metrology to enhance adaptability

坐标计量集成平台，增强适应性

• 批准号: 376298-2011
• 负责人: Barari, Ahmad
• 金额: $ 1.68万
• 依托单位: University of Ontario Institute of Technology
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2018
• 资助国家: 加拿大
• 起止时间: 2018-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=644603
• 关键词: Integrated; platform; coordinate; metrology; enhance

The purpose of this research program is to develop a more reliable platform for coordinate metrology, to enhance adaptability and sustainability of the corresponding engineering/ scientific applications that need to use the information of geometrical or topological characteristics of surfaces. A typical manufacturing process reduces waste by compensatory works on defected parts, when the process is capable to recognize patterns and nature of possible errors to eliminate or correct them adaptively. This adaptability is the key to achieve greater sustainability for manufacturing processes or other engineering/scientific applications. ** Sequential performance of three analytical tasks of Point Measurement Planning (PMP), Substitute Geometry Estimation (SGE), and Deviation Zone Evaluation (DZE) in today's coordinate metrology, is subject to different sources of uncertainties, due to estimation of some aspects of a probability distribution on the basis of sampling. This can adversely affect the reliability of inspection. From the applicant's past research, developing concurrency in controlling the three mentioned computational tasks results in valuable opportunities to reduce inspection uncertainties. This novel approach is called an Integrated Inspection System (IIS) and it is an efficient solution to combat the inherent uncertainties in coordinate metrology. In IIS, an estimation of geometric deviations by DZE needs to be dynamically utilized by PMP to acquire the most useful dataset from the measuring surface. Hence, gradual progress of DZE has an important role in IIS implementation. Moreover, as the number of measured points increases, estimation of the optimum geometry by SGE becomes a challenging task due to the high nonlinearity of the resulting optimization problem.** The IIS research program aims to develop customized computational methodologies to enable an infrastructural change in today's coordinate metrology workplace, to reduce levels of uncertainties and to increase sustainability in various Canadian industrial sectors. It will also have a direct impact on training of highly qualified personnel who can become the leaders of Canada's future metrology industry.**

该研究计划的目的是开发一个更可靠的坐标计量平台，以增强需要使用表面几何或拓扑特征信息的相应工程/科学应用的适应性和可持续性。当典型的制造过程能够识别可能的错误的模式和性质以自适应地消除或纠正它们时，通过对有缺陷的零件进行补偿工作来减少浪费。这种适应性是实现制造工艺或其他工程/科学应用更大可持续性的关键。 ** 在当今的坐标计量中，点测量规划 (PMP)、替代几何估计 (SGE) 和偏差区评估 (DZE) 三个分析任务的顺序执行会受到不同来源的不确定性的影响，这是由于基于采样对概率分布的某些方面进行估计。这会对检查的可靠性产生不利影响。根据申请人过去的研究，开发控制上述三个计算任务的并发性为减少检查不确定性带来了宝贵的机会。这种新颖的方法称为集成检测系统（IIS），它是解决坐标计量固有不确定性的有效解决方案。在 IIS 中，PMP 需要动态利用 DZE 对几何偏差的估计，以从测量表面获取最有用的数据集。因此，DZE的逐步进展对于IIS的实现具有重要的作用。此外，随着测量点数量的增加，由于所产生的优化问题的高度非线性，SGE 估计最佳几何形状成为一项具有挑战性的任务。** IIS 研究计划旨在开发定制计算方法，以实现当今坐标计量工作场所的基础设施变革，降低不确定性水平并提高加拿大各个工业部门的可持续性。它还将对高素质人才的培训产生直接影响，这些人才可以成为加拿大未来计量行业的领导者。**