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Automatic roller path tracking and mapping for pavement compaction using infrared thermography
Computer-Aided Civil and Infrastructure Engineering ( IF 9.6 ) Pub Date : 2021-04-24 , DOI: 10.1111/mice.12683 Linjun Lu 1 , Fei Dai 1 , John P. Zaniewski 1
Computer-Aided Civil and Infrastructure Engineering ( IF 9.6 ) Pub Date : 2021-04-24 , DOI: 10.1111/mice.12683 Linjun Lu 1 , Fei Dai 1 , John P. Zaniewski 1
Affiliation
Compaction is an important task in asphalt pavement construction. It ensures high quality of the pavement to provide required long-term performance. Intelligent compaction (IC) integrated with global positioning system (GPS) is an innovative technology to help control the compaction quality of asphalt pavement by continuously providing the operator with the roller's current position and the number of rolling passes. However, the high equipment cost and signal disturbance are two identified issues when adopting the GPS for position estimation. This paper proposed a thermal-based method for real-time roller path tracking and mapping in pavement compaction operations. In this method, first, the incremental roller motion between each two consecutive frames was jointly estimated via calculation of the roller's heading direction by exploiting the pavement boundary information and the roller's translation using the optical flow technique. Then, the accuracy of the estimated incremental motion was optimized by incorporation of the roller's lateral position estimated by a position optimization model proposed by the authors. Finally, the roller's global location was estimated by chaining frame-by-frame roller motions recursively. Both laboratory and field validations were conducted to examine the performance of the proposed method, leading to the maximum mean absolute errors along the lateral direction to be 5.2 mm and 3.3 cm, respectively, and the maximum cumulative error rates along the longitudinal direction to be 0.85% and 0.73%, respectively. The validation results signified the method's potential as a low-cost and applicable alternative to the GPS in the current IC technology for roller's position tracking and mapping.
中文翻译:
使用红外热像仪自动跟踪和测绘路面压实
压实是沥青路面施工中的一项重要工作。它确保了路面的高质量,以提供所需的长期性能。集成全球定位系统(GPS)的智能压实(IC)是一项创新技术,通过不断向操作员提供压路机的当前位置和碾压次数来帮助控制沥青路面的压实质量。然而,在采用 GPS 进行位置估计时,高昂的设备成本和信号干扰是两个确定的问题。本文提出了一种基于热的方法,用于在路面压实操作中实时跟踪和映射滚子路径。在该方法中,首先,通过计算滚子',联合估计每两个连续帧之间的增量滚子运动。使用光流技术利用路面边界信息和滚子的平移来确定前进方向。然后,通过结合由作者提出的位置优化模型估计的滚子横向位置来优化估计增量运动的精度。最后,通过递归地链接逐帧滚子运动来估计滚子的全局位置。进行了实验室和现场验证以检查所提出方法的性能,导致沿横向的最大平均绝对误差分别为 5.2 mm 和 3.3 cm,沿纵向的最大累积误差率为 0.85 % 和 0.73%,分别。验证结果表明方法'
更新日期:2021-04-24
中文翻译:
使用红外热像仪自动跟踪和测绘路面压实
压实是沥青路面施工中的一项重要工作。它确保了路面的高质量,以提供所需的长期性能。集成全球定位系统(GPS)的智能压实(IC)是一项创新技术,通过不断向操作员提供压路机的当前位置和碾压次数来帮助控制沥青路面的压实质量。然而,在采用 GPS 进行位置估计时,高昂的设备成本和信号干扰是两个确定的问题。本文提出了一种基于热的方法,用于在路面压实操作中实时跟踪和映射滚子路径。在该方法中,首先,通过计算滚子',联合估计每两个连续帧之间的增量滚子运动。使用光流技术利用路面边界信息和滚子的平移来确定前进方向。然后,通过结合由作者提出的位置优化模型估计的滚子横向位置来优化估计增量运动的精度。最后,通过递归地链接逐帧滚子运动来估计滚子的全局位置。进行了实验室和现场验证以检查所提出方法的性能,导致沿横向的最大平均绝对误差分别为 5.2 mm 和 3.3 cm,沿纵向的最大累积误差率为 0.85 % 和 0.73%,分别。验证结果表明方法'