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    • 52. 发明授权
    • Pavement condition analysis from modeling impact of traffic characteristics, weather data and road conditions on segments of a transportation network infrastructure
    • 路面状况分析,从运输网络基础设施部分的交通特征,天气数据和道路状况造成的影响
    • US09098654B2
    • 2015-08-04
    • US14294056
    • 2014-06-02
    • ITERIS, INC.
    • John J. MewesLeon F. Osborne
    • G06G7/48G06F17/50
    • G06F17/5009Y02T10/82
    • A pavement condition analysis system and method models a state of a roadway by processing at least traffic and weather data to simulate the impact of traffic and weather conditions on a particular section of a transportation infrastructure. Traffic data is ingested from a plurality of different external sources to incorporate various approaches estimating traffic characteristics such as speed, flow, and incidents, into a road condition model to analyze traffic conditions on the roadway in order to improve road condition assessments and/or prediction. A road condition model applies these traffic characteristics, weather data, and other input data relevant to road conditions, accounting for heat and moisture exchanges between the road, the atmosphere, and pavement substrate(s) in a pavement's composition, as further influenced by traffic and road maintenance activities, to generate accurate and reliable simulations and predictions of pavement condition states for motorists, communication to vehicles, use by industry and public entities, and other end uses such as media distribution.
    • 道路状况分析系统和方法通过处理至少交通和天气数据来模拟道路状态,以模拟交通和天气条件对交通基础设施的特定部分的影响。 交通数据从多个不同的外部来源摄入,以将估计诸如速度,流量和事件之类的交通特征的各种方法并入道路状况模型中,以分析道路上的交通状况,以改善道路状况评估和/或预测 。 道路状况模型应用与道路状况相关的这些交通特征,天气数据和其他输入数据,考虑道路,大气和路面构成中的路面基底之间的热交换,进一步受交通影响 和道路维护活动,以便为驾驶者,与车辆的通信,工业和公共实体的使用以及其他最终用途(如媒体分发)产生准确可靠的模拟和预测路面条件状态。
    • 53. 发明申请
    • TRAFFIC BOTTLENECK DETECTION AND CLASSIFICATION ON A TRANSPORTATION NETWORK GRAPH
    • 运输网络图上的交通瓶颈检测和分类
    • US20150081196A1
    • 2015-03-19
    • US14490145
    • 2014-09-18
    • ITERIS, INC
    • KARL F. PETTYANDREW J. MOYLAN
    • G08G1/01H04L29/08
    • G08G1/0133H04W4/027H04W4/029H04W4/046
    • Traffic congestion detection, classification and identification includes analysis of link-speed data representative of vehicular speed and capacity on one or more roadway segments to determine non-linear, multi-segment traffic bottlenecks in a transportation network graph. Link-speed data is processed to detect bottleneck conditions, classify bottlenecks and bottleneck-like traffic features according to their complexity, and identify sustained or recurring bottlenecks. Such a system and method of traffic congestion detection, classification and identification provides a framework for using this link-speed data to detect the head and queue of bottlenecks on a directed graph representing the transportation network, classify the resulting bottlenecks and bottleneck-like traffic features according to the shape of their queue, and identify and measure sustained or recurrent bottlenecks even when the location, or head, of the bottleneck varies slightly across multiple time periods or across multiple days.
    • 交通拥堵检测,分类和识别包括分析代表一个或多个道路段上的车辆速度和容量的链路速度数据,以确定交通网络图中的非线性,多段交通瓶颈。 处理链路速度数据以检测瓶颈条件,根据其复杂性对瓶颈和瓶颈状流量特征进行分类,并确定持续或反复出现的瓶颈。 这种交通拥堵检测,分类和识别的系统和方法提供了使用这种链路速度数据来检测表示运输网络的有向图上的瓶颈的头部和队列的框架,对所产生的瓶颈和瓶颈状的交通特征进行分类 根据队列的形状,识别和测量持续或复发的瓶颈,即使瓶颈的位置或头部在多个时间段或多天内略有不同。