搜索结果: 46-60 共查到“知识库 交通运输安全工程”相关记录238条 . 查询时间(2.755 秒)
A Comparative Analysis of Pedestrian and Bicyclist Safety Around University Campuses
A Comparative Analysis Pedestrian and Bicyclist Safety Around University Campuses
2014/5/8
Large college campuses generate considerable volumes of traffic ina variety of modes, and in greater numbers, than found in most U.S. settings. This setting presents a unique study opportunity, as wel...
道路交通安全行动的注意维护定理之原则
注意维护定理 原则
2014/7/4
本文对道路交通安全行动的注意维护定理进行了补充,一是对注意维护定理的含义进行了完善,二是在剖析道路交通安全7个基本特性、5个目前行动中不足的基础上,提出了注意维护定理的8大原则,三是指出提出原则的目的,既是为了还原道路交通安全的本来面目,更是为了指导道路交通安全行动的具体实践。
Risk Assessment and Risk Management for Transportation Research
Risk Assessment Risk Management
2014/5/8
Transportation agencies have looked to research to improve both their internal businesspractices and the products and services they deliver.However,while the potential for benefits resulting from rese...
视频监控系统是目前国内外高速公路运行管理系统中主要依赖的技术手段。目前大部分运行安全事件以人工观察视频监控图像为主,其中90%及以上的视频监控图像无法得到重点关注,无法在第一时间发现运行安全事件是现有视频监控系统的主要瓶颈,且事件发现覆盖率极低。
基于Matlab的螺纹参数检测软件
Matlab 边缘提取 二值化 参数检测
2016/9/26
为提高螺纹参数检测的精度及速度,对其参数图像进行数字处理技术研究。介绍数字图像处理在螺纹检 测中的应用。通过对螺纹图像采取预处理、中值滤波、边缘检测等方法实现对螺纹边缘的提取,并给出Matlab 软件 实现方法及螺纹几何尺寸的测量算法。结果表明:该软件能实现螺纹几何尺寸的非接触测量,测量速度快、精度高。
A New Partnership: Rail Transit and Convention Growth
Partnership Rail Transit Convention Growth
2014/5/8
The American Public Transportation Association (APTA) is a nonprofit international association of 1,500 public and
private sector organizations, engaged in the areas of bus, paratransit, light rail,...
2013年北京交通发展年报
2013年 北京 交通发展 年报
2014/5/8
2012年是“十二五”规划实施的第二年,面对日趋严峻的国际经济形势,以及内部调整转型、自然灾害叠加等多重因素影响,交通部门在党中央、国务院和市委、市政府的坚强领导下,坚决贯彻落实党的十八大和市十一次党代会精神,以交通拥堵第九阶段(2012年)工作方案为抓手,坚持做好“四个服务”,全面推进《北京市“十二五”时期交通发展规划》的实施。各项交通基础设施建设进展顺利,公共交通服务水平稳步提升,常态化交通需...
应急交通疏散中的逆向车道操作方法
逆向车道操作 元胞传输模型 数值求解 微观交通仿真
2014/3/26
逆向车道操作方法是应急交通疏散研究的重要课题。以元胞传输模型(CTM)理论为基础,以最小化总行程时间为目标函数,构建了逆向车道操作数学模型。将模型应用于实例,利用MathProg语言和Lp_solve求解器对模型进行数值求解,利用微观交通仿真软件VISSIM对疏散过程进行微观仿真,并通过数值结果与仿真结果的比较,对模型进行了验证,从而使应急交通疏散的研究更贴近于实际情况。研究结果表明,该模型的逆向...
Making accessibility analyses accessible: A tool to facilitate the public review of the effects of regional transportation plans on accessibility
Accessibility Regional Transportation Plan
2013/11/21
The regional transportation planning process in the United States has not been easily opened to public oversight even after strengthened requirements for public participation and civil rights consider...
The implications of and institutional barriers to compact land development for transportation: Evidence from Bejing
transport land use motorised travel China Beijing
2013/11/21
Land use patterns are believed to affect transportation, while low-capacity land-use management is often seen as one of the primary institutional barriers to sustainable transport. Examining the case ...
Metropolitan smart growth centers: An assessment of incentive policies in four regions
transportation smart growth metropolitan planning organizations
2013/11/21
Across the United States, metropolitan areas face challenges related to transportation and land use. An emerging policy in many regions is to promote development around higher-density, mixed-use (smar...
Explaining walking distance to public transport: The dominance of public transport supply
Accessibility access to public transport land use
2013/11/21
Potential influences on explaining walking distance from home to access public transport are investigated, including trip and demographic characteristics and public transport supply. In Sydney, Austra...
基于贝叶斯网络的城市轨道交通运营系统可靠性评价
城市轨道交通 可靠性评价 贝叶斯网络
2014/7/4
本文以城市轨道交通运营系统为研究对象,通过分析城市轨道交通运营系统可靠性评价指标体系结构,建立基于贝叶斯网络的城市轨道交通运营系统可靠性评价的模型。最后,以某地铁为例,集结专家意见,进行实例分析,并提出了对该地铁运营可靠性的几点改善措施。
提出了基于信号冗余关系的自动变速操纵系统(ASCS)稳态行驶工况非平稳随机信号多重故障检测和诊断策略。通过分析ASCS非平稳信号特性以及信号之间的冗余关系,提出故障检测和诊断策略设计原则:不可信原则、多故障兼容原则和概率原则,作为故障检测和诊断策略设计的指导思想。同时根据故障诊断结果的准确性和有效性特点将故障诊断结果划分为一级、二级、三级3种类型。通过分析ASCS稳态工况的先验知识,提出非平稳随机...