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LIANG Chao, FAN Bing-quan, HAN Yin. Coordination control method of regional traffic flow[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 112-117. doi: 10.19818/j.cnki.1671-1637.2011.03.019
Citation: LIANG Chao, FAN Bing-quan, HAN Yin. Coordination control method of regional traffic flow[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 112-117. doi: 10.19818/j.cnki.1671-1637.2011.03.019
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Coordination control method of regional traffic flow

doi: 10.19818/j.cnki.1671-1637.2011.03.019

  • School of Business, University of Shanghai for Science and Technology, Shanghai 200093, China

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  • Author Bio:

    LIANG Chao(1966-), male, doctoral student, +86-21-55275273, lcra307@yahoo.com.cn

    FAN Bing-quan(1942-), male, professor, +86-21-55275273, crts-usst@163.com

  • Received Date: 2011-01-09
  • Publish Date: 2011-06-25
    Abstract
  • On the basis of agent technology and fuzzy control method, a coordination control method of regional traffic flow was proposed. Section congestion degree and green light duration were taken as input variables, green light's correction prolong time was taken as output variable, the acquiring methods of variable data and the corresponding relationships among the variables were determined, and a coordination controller was designed. According to different schemes of time assignments at downstream intersections, various fuzzy control rules were formulated, control strategy was corrected, and corresponding simulation was carried out by MATLAB. Simulation result shows that after using the control method, average total delay is 127.431 s·km-1, and decreases by about 9.9%. Average section density is 18.828 veh·km-1. Average section flow is 9 597 veh·h-1. Average speed is 17.798 km·h-1, and rises by about 6.3%. It can be significantly seen that with the method section density decreases, and traffic condition is improved.

     

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