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Dec 14, 2021
Research on Speed Limit Value of Expressway Considering the Influence of Road Traffic Environment
Authors: Jianyou Zhao [email protected], Beibei Dong [email protected], Qingyun Liu [email protected], Kunpeng Lv [email protected], and Zhendong Zhang [email protected]Author Affiliations
Publication: CICTP 2021
ABSTRACT
The road traffic environment factors that affect the speed limit value of the expressway mainly include visibility and friction coefficient, plane alignment, vertical section alignment, lane number, lane position, traffic volume and traffic composition. These factors are random and uncontrollable, so a multi-factor expressway speed limit model based on fuzzy control is constructed. This paper calculates the correction coefficient of each factor to the reference speed limit value by establishing the stopping line-of-sight model and the method of regression analysis. The speed limit value of fuzzy logic control model was established. Twenty typical sections were selected using fuzzy algorithm to obtain the influence factors of total correction coefficient in the MATLAB environment, respectively to calculate the fuzzy control model and the traditional model of speed limit value, and comparative analysis of the two algorithms to verify the feasibility and rationality of the proposed model in this paper.
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Published online: Dec 14, 2021
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1School of Automobile, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
2School of Automobile, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
3School of Automobile, Chang’an Univ., Xi’an, Shaanxi, China. Email:[email protected]
4School of Automobile, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
5School of Automobile, Chang’an Univ., Xi’an, Shaanxi, China. Email: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.