Integrated platform for coordinate metrology to enhance adaptability

该研究项目的目的是开发一个更可靠的坐标测量平台，以增强相应的工程/科学应用的适应性和可持续性，这些应用需要使用曲面的几何或拓扑特征信息。典型的制造过程通过对有缺陷的零件进行补偿来减少浪费，当该过程能够识别可能错误的模式和性质以自适应地消除或纠正它们时。这种适应性是实现制造过程或其他工程/科学应用的更大可持续性的关键。**在今天的坐标计量学中，点测量计划(PMP)、替代几何估计(SGE)和偏差区域评估(DZE)三项分析任务的顺序性能受到不同不确定源的影响，这是因为在抽样的基础上估计概率分布的某些方面。这可能会对检查的可靠性产生不利影响。从申请人过去的研究来看，开发控制上述三个计算任务的并发性带来了减少检查不确定性的宝贵机会。这种新的方法被称为集成检测系统(IIS)，它是对抗坐标测量中固有的不确定性的有效解决方案。在IIS中，PMP需要动态地利用dze对几何偏差的估计来从测量表面获取最有用的数据集。因此，DZE的逐步推进在IIS的实施中具有重要作用。此外，随着测量点数量的增加，由于优化问题的高度非线性，SGE对最佳几何形状的估计成为一项具有挑战性的任务。**IIS研究计划旨在开发定制的计算方法，以实现当今坐标计量工作场所的基础设施变化，减少不确定性水平，并增加加拿大各工业部门的可持续性。它还将直接影响到高素质人才的培养，这些人才可以成为加拿大未来计量行业的领导者。**

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.**