Collaborative Research: Correlating Geospatial Data Lineage and Positional Accuracy for Excavation Damage Prevention

合作研究：关联地理空间数据谱系和位置精度以预防开挖损坏

• 批准号: 1265895
• 负责人: Hubo Cai
• 金额: $ 15万
• 依托单位: Purdue University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-06-01 至 2016-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1265895&HistoricalAwards=false
• 关键词: Collaborative; Research; Correlating; Geospatial; Data

The objective of this research is to explore methods that model and quantify the uncertainty associated with recorded underground utility location data. Locational uncertainty is the error associated with the methods of mapping underground utilities, and will be modeled as three-dimensional geometric shapes that correspond to the probability that these shapes contain the utilities. Locational uncertainty is dependent on locational accuracy, which will be estimated from data lineage - the format and process used to collect data. The premise associated with this research is that locational uncertainty results from inaccurate locational information that, in turn, is a function of data lineage. The utility data and its quantified uncertainty will be integrated with excavation operations, and communicated to operators by blending the geometry and attribute information with operators' views of the work environment using video-see-through augmented reality. Field experiments will be conducted with industry partners to validate the proposed geospatial uncertainty model and evaluate its benefits of improving excavation safety.If successful, the research results will lead to improvements in construction operations such as, excavation in the presence of buried utilities, drilling in the presence of hidden obstructions, and robotic construction in the absence of exact prior knowledge of the environment. The project will impact education by promoting subsurface utility engineering as an area of specialization. A diverse group of under-represented students will participate in the project through active collaboration with the Women in Science and Engineering, and the Minority Engineering Program offices at Purdue and the University of Michigan. In summary, the societal benefits of the project are expected to be the improved safety of excavation and other construction operations, and the multi-disciplinary education and training of current and future engineers in an emerging engineering specialty.

本研究的目的是探索的方法，模型和量化的不确定性与记录的地下设施位置数据。地下管线不确定性是与地下管线测绘方法相关的误差，并将被建模为三维几何形状，这些形状对应于这些形状包含管线的概率。定位的不确定性取决于定位的准确性，而定位的准确性将通过数据沿袭（用于收集数据的格式和过程）来估计。与这项研究相关的前提是，位置不确定性的结果从不准确的位置信息，反过来，是一个功能的数据沿袭。公用事业数据及其量化的不确定性将与挖掘作业相结合，并通过使用视频透视增强现实将几何和属性信息与操作员对工作环境的看法相结合来传达给操作员。我们将与行业合作伙伴进行实地实验，以验证所提出的地理空间不确定性模型，并评估其在提高挖掘安全性方面的好处。如果成功，研究结果将导致施工操作的改进，例如，在存在地下设施的情况下进行挖掘，在存在隐藏障碍物的情况下进行钻探，以及在缺乏确切的环境先验知识的情况下进行机器人施工。该项目将通过促进地下公用事业工程作为一个专业领域来影响教育。一个代表性不足的学生群体将通过与科学和工程领域的妇女以及普渡大学和密歇根大学的少数民族工程项目办公室积极合作参与该项目。总而言之，该项目的社会效益预计将是提高挖掘和其他施工作业的安全性，以及对当前和未来工程师进行新兴工程专业的多学科教育和培训。