This research evaluated advanced detection technologies that can be used to increase green time to trucks and reduce their stops and delays. Equipment selection criteria required devices that were reasonably accurate in classification of vehicles (to distinguish trucks in the traffic stream) under all weather and lighting conditions and determination of vehicle speeds. The research team selected active infrared and passive acoustic technologies. Components of the detection system include: an industrial PC, proprietary boards inside the computer, infrared and acoustic detectors, a pole for mounting the selected systems, and a classifier system using pavement sensors for verification purposes. The purpose of the node computer was to interpret signals from detectors, store data, and communicate with the controller cabinet upon detection of a truck.
Selection of advanced technologies for detection of trucks
1998
12 Seiten, 11 Quellen
Conference paper
English
Selection of advanced technologies for detection of trucks [3207-14]
British Library Conference Proceedings | 1998
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