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高速公路匝道混沌控制综合评价研究 预览

Study on comprehensive evaluation of on-ramp chaos control in freeway
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摘要 提出采用加权主成分分析的高速公路匝道混沌控制综合评价的思想,采用系统分析方法,确定高速公路匝道混沌控制综合评价指标体系;建立基于加权主成分分析方法的综合评价模型.具体例子的评价结果表明在匝道需求和主线上游流量均较大的情况下加大匝道用户评价指标权重,可实现社会公平和效率最大化的共同目标;在其他情况下,取同一权重即可在实现效率最大化目标的同时兼顾到社会公平性这一目标;验证了高速公路匝道混沌控制信号施加和撤销条件的正确性,显示了该综合评价方法的可行性. The though was proposed to evaluate comprehensively the effects of on-ramp chaos control in freeway using weighted principal component analysis(WPCA). Through system analysis, the synthetic evaluation indices of on-ramp chaos control in freeway were determined. The comprehensive evaluation model of on-ramp chaos control in freeway was established by using WPCA. The results of the concrete engineering example show that the evaluation indices 'weights of on-ramp users should be larger than that of mainline users in order to maximum efficiency and balance social equity if the mainline upstream traffic volume and ramp demand are large. Otherwise, the weights should be same for realizing mainly maximal efficiency and balancing social equity by way of parenthesis. The correctness of the condition, by which the chaos control signal is inputting rapidly and is canceled appropriately, and the validity of the comprehensive evaluation method were proved.
作者 高潮 庞明宝 郑娜 王彦虎 GAO Chao;PANG Ming-bao;ZHENG Na;WANG Yan-hu;School of Civil Engineering,Hebei University of Technology;
出处 《河北工业大学学报》 CAS 北大核心 2013年第5期87-92,共6页 Journal of Hebei University of Technology
基金 国家自然科学基金(50478088) 河北省自然科学基金(E2011202073)
关键词 智能交通系统 加权主成分分析 高速公路 混沌控制 匝道控制 intelligent transportation system(ITS) weighted principal component analysis(WPCA) freeway chaos control on-ramp control
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