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Feedback control scheme of traffic jams based on the coupled map car-following model

Chinese Physics B 2013年第9期22卷 203-208页

作者：周桐孙棣华赵敏李华民 Key Laboratory of Dependable Service Computing in Cyber Physical Society of Ministry of Education Chongqing University College of Automation Chongqing University

Based on the pioneering work of Konishi et al. [Phys. Rev. E （1999） 60 4000], a new feedback control scheme is presented to suppress traffic jams based on the coupled map car-following model under the open boundary condition. The effect of the safe headway on the traffic system is considered. According to the control theory, the condition under which traffic jams can be suppressed is analyzed. The results are compared with the previous results concerning congestion control. The simulations show that the suppression performance of our scheme on traffic jams is better than those of the previous schemes, although all the schemes can suppress traffic jams. The simulation results are consistent with theoretical analyses.

关键词： traffic jam coupled map car-following model control scheme safe headway

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CAR-FOLLOWING MODEL BASED ON DRIVING BEHAVIOR AND RESEARCH ON THE STABILITY OF THE MODEL

CAR-FOLLOWING MODEL BASED ON DRIVING BEHAVIOR AND RESEARCH O...

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第一届交通运输工程国际学术会议

作者： Hao-Ran Zhang1 2 Wei Wang3 and Gang Ren4 1School of Transportation Southeast University Postcode: 210096 Nanjing Jiangsu China 2China Highway Planning and Design Institute (HPDI) Consultants INC. Postcode:100010 Beijing China 3School of Transportation Southeast University Postcode: 210096 Nanjing Jiangsu China 4School of Transportation Southeast University Postcode: 210096 Nanjing Jiangsu China

Established car-following model based on driving behavior, and look forward to be applied in traffic simulation, traffic safety and intelligent transport control. Researched on different driving behavior and established car-following model correspondingly. By analyzing the model, determined the reasonable value range of the parameters and simulated various car-following processes. The car-following model established based on driving behavior can simulate actual driving behavior precisely. The value range of parameters of car-following models established according to different driving behavior is different. Different driving behavior requires different safe headway. When the values of the parameter exceed the rational range, the corresponding car-following behavior is unsafely. We drew the conclusion by simulation of car-following motorcade: taking safe time headway as definition of safe headway is superior to using safe space headway;vehicles in fluctuant motorcade must keep longer safe headway than in stable motorcade;the accelerating or decelerating performance of vehicles has small influence to safe headway;vehicles have better accelerating performance must keep longer safe headway, and vehicle has worse decelerating performance requires longer safe headway.

关键词： traffic safety traffic simulation driving behavior car-following car-following model safe headway

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