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基于公众出行感知调研与测算的交通状态实时评价指标 被引量:4
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作者 朱琳 宋国华 +2 位作者 于雷 温慧敏 孙建平 《北京工业大学学报》 CAS CSCD 北大核心 2013年第10期1526-1531,共6页
为弥补城市道路和走廊交通运行评价的不足、提高交通状态评价的实时性,基于对公众出行感知调研和加权测算的对比分析,提出了基于浮动车数据的交通状态指数实时评价方法.采集每1 min间隔的出行交通感知,分别以时间和距离为权重,计算区间... 为弥补城市道路和走廊交通运行评价的不足、提高交通状态评价的实时性,基于对公众出行感知调研和加权测算的对比分析,提出了基于浮动车数据的交通状态指数实时评价方法.采集每1 min间隔的出行交通感知,分别以时间和距离为权重,计算区间出行的综合感知,与实测区间感知数据相比较,结果表明:出行者对拥堵状况下的时间变化更加敏感.在此基础上,选择路段行程时间为权重,由路段交通状态指数建立道路交通状态综合评价指数.以北京市西二环和八达岭高速为实例,对交通走廊运行状态和拥堵强度进行了评价,论证了指标和方法的实用性. 展开更多
关键词 道路交通状态指数 实时评价指标 公众出行感知 综合评价法 行程时间 行程距离
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Analysis of the Impact of Their Travel Decisions Based on Public Perception of Air Quality -A Case of Shanghai
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作者 REN Chuang 《International English Education Research》 2016年第5期34-36,共3页
Based on air quality perception, researching through field survey forms on Shanghai' s public travel decisions, article give a comparative analysis and a descriptive statistics on survey data. The study found, differ... Based on air quality perception, researching through field survey forms on Shanghai' s public travel decisions, article give a comparative analysis and a descriptive statistics on survey data. The study found, different identity, qualifications, age, background of Shanghai' s Public perception to air quality perform a universal character, and the rate of concerning for air pollution is relatively high, but to air pollution, they lack of understanding of its essence. Shanghai's public have a large usage of mobile devices, the way of concerns for air quality shows a "move concern" feature. There is a certain influence of air quality on public's travel decisions, on the condition that public often go out and show their concern on air quality information. 展开更多
关键词 Air quality perception Descriptive statistics Travel decision
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