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《Journal of South China University of Technology(Natural Science Edition)》 2016-12
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A Control Method of Variable Speed Limits for Highway Mountain Breeze Transit Road in Rainy Days

WEN Hui-ying;LIU Min;WANG Hai-wei;School of Civil Engineering and Transportation,South China University of Technology;  
Rainfall has a greater negative impact on the traffic safety and efficiency in the mountain breeze transit road of mountain highways. In order to ensure the traffic safety on the mountain breeze transit road in rainy days,improve the traffic efficiency,and reduce the adverse effects of the wind-rain coupling,an overall scheme of the variable speed limit system in rainy days is designed for the mountain breeze transit road,and a calculation model of the safe speed under the coupling effects of wind-rain is constructed based on the anti-sideslip and the safe stopping sight distance. Then,an evaluation model of the variable speed limit system,which aims to minimize the average travel time of the vehicle in the monitoring period,is also constructed. Finally,the simulation experiments based on the actual road and meteorological data are carried out by using the Matlab software. The results show that,as compared with the fixed speed limit,the variable speed limit has a better performance in guaranteeing the traffic safety on the mountain breeze transit road of mountain highways in rainy days,and it improves the operating efficiency of vehicles accordingly.
【Fund】: 国家自然科学基金资助项目(51378222 51578247);; 广东省科技计划项目(2013B010401009);; 广东省自然科学基金资助项目(2016A030310427);; 广东省公益研究与能力建设项目(B2161520)~~
【CateGory Index】: U491
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【Citations】
Chinese Journal Full-text Database 4 Hits
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【Co-citations】
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1 CAI Xiaonan;CHEN Shengdi;JIANG Yuming;LU Jian;Transportation Research Center,Shanghai Jiao Tong University;College of Transportation and Communications,Shanghai Maritime University;College of Transportation Engineering,Tongji University;;The Effects of Side Wind on the Safety of Turning Vehicles on Bridges[J];交通信息与安全;2015-06
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