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    • 51. 发明授权
    • Fiber-optic based traffic and infrastructure monitoring system
    • US10458818B2
    • 2019-10-29
    • US16099896
    • 2017-05-09
    • Fugro Technology B.V.
    • Devrez Mehmet KarabacakJohannes Maria SingerGerman Enrique KnoppersJohn O'Dowd
    • G08G1/04G08G1/01E01F11/00G08G1/015G08G1/02G01D5/353G08G1/052
    • In an arrangement of a traffic infrastructure and an optic sensor system (10, 20), the traffic infrastructure has a traffic carrying surface (51) for providing support of conveyance elements (92) of a vehicle (90), therewith allowing movements of the vehicle over the traffic carrying surface. The optic sensor system (10, 20) comprising an interrogator (10) and at least one fiber optic sensor (20) arranged below the traffic carrying surface that is coupled to the interrogator. The at least one fiber optic sensor (20) comprising an optic fiber (21) with a plurality of optic strain-sensor elements (22) distributed over its length. The plurality of optic strain-sensor elements (22) have mutually different optical characteristics, e.g. a mutually different characteristic wavelength. The interrogator (10) is configured to transmit an optical interrogation signal into the at least one fiber optic sensor, to receive a response optical signal modulated by said fiber optic sensor, and to identify changes in the optical characteristics of the response optical signal resulting from strains induced in said optic strain-sensor elements as a result of a conveyance element (92) of a vehicle (90) moving over the traffic carrying surface (51) across said at least one fiber optic sensor. wherein the at least one fiber optic sensor (20) extends at least substantially according to a straight line in a direction at least substantially parallel to the traffic carrying surface.
    • 59. 发明授权
    • Commercial vehicle electronic screening hardware/software system with primary and secondary sensor sets
    • 商用车电子屏蔽硬件/软件系统与主要和次要传感器组
    • US06980093B2
    • 2005-12-27
    • US10430869
    • 2003-05-07
    • Mark A. OurslerWendy W. ChiuGary C. WorrellJohn H. Fewer, Jr.Ronald K. Char
    • Mark A. OurslerWendy W. ChiuGary C. WorrellJohn H. Fewer, Jr.Ronald K. Char
    • G01G19/02G08G1/017G08G1/02G08G1/09B60Q1/00
    • G08G1/017G01G19/02G08G1/02
    • A primary set of sensors is situated along a highway approaching a weighing/inspection station, and a secondary set of sensors is situated along a ramp that is traversed by vehicles exiting the highway into a weighing/inspection station. The secondary sensors use vehicle identification based upon transponders and/or alternate means (such as license plate readers) that are suitable for lower speeds and for vehicles not equipped with transponders. The sensors are coupled to a processing system that accesses a database storing data correlated to vehicles using the highway. Upon the sensing of certain parameters by the primary sensors, the vehicles are directed to exit the highway to the weigh station entry ramp. The secondary set of sensors along the ramp provide an ability to identify transponder and non-transponder equipped vehicles and more accurate sensing capability due, among other things, to the slower speed of the vehicle while passing sensors.
    • 主要的传感器集合沿着接近称重/检查站的高速公路设置,并且沿着斜坡设置第二组传感器,该斜坡由离开高速公路的车辆穿过称重/检查站。 次级传感器使用基于适合于较低速度的转发器和/或替代装置(例如牌照读取器)的车辆识别以及未配备应答器的车辆。 传感器耦合到处理系统,该处理系统访问存储与使用高速公路的车辆相关的数据的数据库。 当通过主传感器感测到某些参数时,车辆被引导以将高速公路离开到称重站入口斜坡。 沿着斜坡的次级传感器提供了识别应答器和非应答器配备的车辆的能力,并且由于除了别的以外,在传递传感器时车辆速度较慢的情况下更准确的感测能力。