详情

Prototype Development: Automated and Continuous Aggregate Sampling and Laser Targeting System

项目名称：	Prototype Development: Automated and Continuous Aggregate Sampling and Laser Targeting System
摘要：	This project will develop and demonstrate the field application of a prototype of an automated real-time quality control aggregate monitoring system based on laser induced breakdown spectroscopy to characterize aggregate properties. Work in Stage 1 will focus on the Sampling and Laser Targeting (SLT) System prototype development in which system hardware will be designed, specified, purchased or fabricated, and tested. The components associated with the laser optics system (including the laser, spectrometer, fiber optic cable, mirrors and lenses, housing with ventilation system and laptop computer) will be integrated into the SLT material flow and dust suppression system. The integrated system will be housed in a movable closed cabinet and tested to ensure that the laser optics system, dust suppression system and material flow system are all functional. If necessary, modifications will be made to resolve design and operational issues. Work in Stage 2 will focus on SLT prototype validation, development and integration of system software, and American Association of State Highway and Transportation Officials (AASHTO) standard development. Laser-calibration tests will be conducted with the integrated prototype system using aggregate samples collected from one or more state departments of transportation (DOTs) (Kansas, New York, Texas) that participated in the previous Ideas Deserving Exploratory Analysis (IDEA) project, National Cooperative Highway Research Program (NCHRP)-150. Samples will be fed through the system and spectrographic data collected. The data will be modeled using multivariate analysis to validate the new prototype system and, if necessary, modifications will be made to resolve design and operational issues. An integrating software package will be developed to enable direct communication between the spectrometer and the modeled data output to provide rapid response to the spectral signal received during actual system operation. A draft Standard of Practice or a draft Test Method on the laser scanning technology will be prepared for submission to AASHTO for consideration. The final report will provide all relevant technical and testing information for the prototype as well as plans for its commercialization and implementation by state DOTs.
状态：	Active
资金：	125000.00
资助组织：	Federal Highway Administration<==>American Association of State Highway & Transportation Officials (AASHTO)<==>National Cooperative Highway Research Program
项目负责人：	Jawed, Inam
执行机构：	Chesner Engineering, P.C.
开始时间：	20141210
主题领域：	Highways；Maintenance and Preservation