Vehicle conflict resolution algorithm at non-signalized crossing based on inter-vehicle communication |
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Authors: | WANG Yun-peng E Wen-juan LIU Tian-ping TIAN Da-xin LU Yingrong and LU Guang-quan |
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Affiliation: | 1. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China;Beijing Key Laboratory for Cooperative Vehicle Infrastructure System and Safety Control, Beihang University, Beijing 100191, China 2. School of Urban Rail Transportation, Soochow University, Suzhou 215021, China 3. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China |
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Abstract: | A vehicle conflict detection and resolution method is proposed based on the concept of vehicle infrastructure integration (VII) system to prevent vehicle accident beforehand at blind crossing. After analyzing traffic conflict characteristics and vehicle collision scenarios at intersection, a vehicle dynamics model and an inter-vehicle communication method are discussed. In the inter-vehicle communication environment, the relative relationship between two encountered vehicles are designed. Then vehicle conflict detection and resolution algorithms under two conflict scenarios are put forward to represent the conflict-free movements of vehicles with adjusting vehicle velocity at crossing. Finally, simulation studies are carried out and the results prove that the proposed algorithms are effective for vehicle conflict resolution at blind crossing. |
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Keywords: | vehicle infrastructure integration (VII) system non-signalized intersection vehicle conflict conflict resolution algorithm simulation |
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