中国物理B ›› 2005, Vol. 14 ›› Issue (5): 930-934.doi: 10.1088/1009-1963/14/5/012

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Improvement of driving safety in road traffic system　　　　

李克平, 高自友   

  1. School of Traffic and Transportation, Beijing Jiaotong University,Beijing 100044, China
  • 收稿日期:2004-05-20 修回日期:2004-12-30 出版日期:2005-05-19 发布日期:2005-05-19
  • 基金资助:
    Project supported by the National Natural Science Foundation for Outstanding Young Scientist of China (Grant No 70225005) and the Research Award Program (2001) for Outstanding Young Teachers in Higher Education Institutions of Ministry of Education, China

Improvement of driving safety in road traffic system

Li Ke-Ping (李克平), Gao Zi-You (高自友)   

  1. School of Traffic and Transportation, Beijing Jiaotong University,Beijing 100044, China
  • Received:2004-05-20 Revised:2004-12-30 Online:2005-05-19 Published:2005-05-19
  • Supported by:
    Project supported by the National Natural Science Foundation for Outstanding Young Scientist of China (Grant No 70225005) and the Research Award Program (2001) for Outstanding Young Teachers in Higher Education Institutions of Ministry of Education, China

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摘要： Road traffic system is a complex system in which human participate directly. In this system, human factors play a very important role. In this paper, a kind of control signal has been designated at a given site (i.e., signal point) of the road. Under the effect of control signal, the drivers will decrease their velocities when their vehicles pass the signal point. Our aim is to transit the traffic flow states from disorder to order, and then improve the traffic safety. We have tested this technique for the two-lane traffic model that is based on the deterministic NaSch traffic model. The simulation results indicate that the traffic flow states can be transited from disorder to order. Different order states can be observed in the system, and these states are safer.

Abstract: Road traffic system is a complex system in which human participate directly. In this system, human factors play a very important role. In this paper, a kind of control signal has been designated at a given site (i.e., signal point) of the road. Under the effect of control signal, the drivers will decrease their velocities when their vehicles pass the signal point. Our aim is to transit the traffic flow states from disorder to order, and then improve the traffic safety. We have tested this technique for the two-lane traffic model that is based on the deterministic NaSch traffic model. The simulation results indicate that the traffic flow states can be transited from disorder to order. Different order states can be observed in the system, and these states are safer.

Key words: cellular automation model, traffic flow, driving safety

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  • 0550