Study on Control Strategy of Intelligent Guidance System for Foggy Area Traffic Safety

Abstract:

In recent years, an innovative Intelligent Guidance System for traffic safety under limited visibility conditions appeared and evolved. According to prevailing visibility and traffic conditions, such systems can provide roadway outline reinforcement, vehicle active guidance, rear-end collision warning functions by changing brightness, color, flashing frequency, etc. of the illuminant guidance facilities. Rear-end collision warning function is the marked feature different from traditional guidance facilities. This paper elaborates main principle, system configuration, word mode, control strategy of such system. Especially, emphasis is put on the analysis of key control parameters such as threshold of red lamp duration, quantity of trigged red lamps, which impact practical effects of such system greatly. Regarding the particular rear-end collision warning function, the author use time series chart of trigged red lamps status and list table of key parameters change to induce and optimize key control parameters configuration. The relationship of safe spacing between vehicles, advised speed limit, threshold of red lamp duration and quantity of trigged red lamps is established. And this can be referred to improve the practical effectiveness when such systems are constructed and used.

• Periodical: Applied Mechanics and Materials (Volumes 209-211)
• Pages: 654-662
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.209-211.654
• Online since: October 2012
• Authors: Shu Guang Hu*, Chang Cheng Li, Shao Yang Yan, Xin Xin
• Keywords: Fog, Guidance System, Illuminant Facilities, Traffic Safety, Visibility

References

[1] Wuidui, Deng Xuejiao, "Forecast System of Visibility at Speedway Foggy Area at Nanling Mountains"，Journal of Tropical Meteorology, Vol.22, No.5, 2006.10, PP. 417-422

[2] Li Qinghua, He Hanyuan, Zhu jinhua, "Foggy Weather Feature and Forecast along the Line of Shanxi Speedway", Taiyuan Science & Technology, 2007.3, PP. 50-52

[3] TANG Junjun, GAO Hailong, ZHANG Weihan, "A Study of Supervising System Structure for Expressways in Fog Area", Highway, No.8, 2005.8, PP. 108-113

[4] Lynette C. Goodwin, "Best Practices for Road Weather Management Version 2.0"(report FHWA-OP-03-081), Federal Highway Administration, 2003.5

[5] FANG Genfa, CHEN You-hong, "Electronic Guidance System for Fog Area Traffic of Highway", Journal of Zhejiang Institute of Communications, Vol.9, No.4, 2008.12, PP. 9-13

[6] Lin Yubin, "Study and Application of the Warning System in Foggy Areas on Highways", Shanxi Science and Technology, No.5, 2009.9, PP. 99-101

[7] Changcheng Li, Han Feng, Xiaoling Zhi, and Nale Zhao, Intelligent Guidance System for Foggy Area Traffic Safety Operation, Proceedings of 14th international IEEE annual conference on intelligent transportation systems, October 5-7, 2011, Washington, DC,USA, pp.428-432

DOI: 10.1109/itsc.2011.6082920