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    • 1. 再颁专利
    • Unmanned integrated optical remote emissions sensor (RES) for motor vehicles
    • 无人机用的集成光学远程排放传感器(RES)
    • USRE40767E1
    • 2009-06-23
    • US09708713
    • 2000-11-09
    • Jay PetersonDavid R NelsonTroy P. BahanGeorge C. PolchinMichael D. Jack
    • Jay PetersonDavid R NelsonTroy P. BahanGeorge C. PolchinMichael D. Jack
    • G01N21/00G01N21/35
    • G01N21/3504
    • An unmanned integrated RES 12 integrates all of its components except the reflector 22 into a single console 30 that is positioned at the side of a road and has a CPU 36 that controls calibration, verification and data gathering. The RES's source 32 and receiver 34 are preferably stacked one on top of the other such that the IR beam 24 traverses a low and high path as it crosses the road 14. This allows the RES to detect both low and high ground clearance vehicles. To maintain the vehicle processing and identification throughput, the speed sensor 54 and ALPR 48,50 detect the passing vehicles at steep angles, approximately 20 to 35 degrees. In a preferred system, a manned control center 16 communicates with a large number of the unmanned integrated RES to download emissions data, perform remote diagnostics, and, if necessary, dispatch a technician to perform maintenance on a particular RES.
    • 无人机集成RES 12将除了反射器22之外的所有组件集成到位于道路侧面的单个控制台30中,并具有控制校准,验证和数据采集的CPU36。 RES的源32和接收器34优选地堆叠在另一个之上,使得IR光束24在越过道路14时穿过低和高的路径。这允许RES检测低和高的离地间隙车辆。 为了保持车辆处理和识别吞吐量,速度传感器54和ALPR 48,50以大约20至35度的陡峭角度检测经过的车辆。 在优选的系统中,载人控制中心16与大量的无人化集成RES通信以下载排放数据,执行远程诊断,并且如果需要,派遣技术人员对特定RES进行维护。
    • 3. 发明授权
    • Systems and methods for determining compliance of moving vehicles with
emission-concentration standards
    • 确定移动车辆符合排放浓度标准的系统和方法
    • US5719396A
    • 1998-02-17
    • US674075
    • 1996-07-01
    • Michael D. JackTroy P. BahanJeffrey L. HansonDavid R. NelsonAllen J. PaneralJay Peterson
    • Michael D. JackTroy P. BahanJeffrey L. HansonDavid R. NelsonAllen J. PaneralJay Peterson
    • G01N21/35G01N21/00
    • G01N21/3504
    • An emission-concentration monitoring system (20)includes first and second monitor stations (22,32) which are separated by a sensing space (40) along a path (28) of a moving vehicle (26). Each station has a source of electromagnetic radiation (64) which is directed through the vehicle's exhaust plume. Each station also has a set of detectors (66) which are positioned to receive the radiation and configured to measure transmittances at wavelengths which are absorbed by molecular species of exhaust plume (e.g., hydrocarbons, nitric oxide, carbon monoxide and carbon dioxide). These sensed transmittances are converted to emission concentrations by a data processor (50) and compared to a set of emission-concentration standards. The vehicle is determined to be in violation only if its emission concentrations at both the first and second monitor stations exceeds the standards. To insure visual identification of the vehicle, images of it are formed at both stations with video cameras (42, 44) and a license plate reader (46). It has been found that the monitoring system improves testing accuracy because the first and second stations essentially form a check against each other to remove errors due, for example, to vehicular temporal variabilities.
    • 发射浓度监测系统(20)包括沿着移动车辆(26)的路径(28)由感测空间(40)分开的第一和第二监测站(22,32)。 每个站具有电磁辐射源(64),其被引导通过车辆的排气羽流。 每个站还具有一组检测器(66),其被定位成接收辐射并且被配置成测量在被排气羽流(例如烃,一氧化氮,一氧化碳和二氧化碳)的分子物种吸收的波长处的透射率。 这些感测的透射率由数据处理器(50)转换为发射浓度,并与一组发射浓度标准进行比较。 如果第一和第二监测站的排放浓度超过标准,车辆才被确定为违法。 为了确保车辆的视觉识别,在具有摄像机(42,44)和牌照读取器(46)的两个车站形成图像。 已经发现,监控系统提高了测试精度,因为第一站和第二站基本上形成对对方的检查,以消除由于例如车辆时间变化引起的错误。