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Dec 14, 2023
Traffic States Division of Expressway Ultra-Short Weaving Segment Based on WSAGA-FCM Algorithm
Authors: Jing Tian [email protected], Fengchun Han [email protected], Zhengtao Yang [email protected], and Zeyou Zhang [email protected]Author Affiliations
Publication: CICTP 2023
ABSTRACT
In this paper, based on the survey of short weaving segment of Beijing Expressway, we propose the definition of ultra-short weaving segment and summarize its operation characteristics and lane change mode. The fuzzy C-mean clustering (FCM) algorithm is improved by using entropy weighting method to assign appropriate weights to parameters and genetic annealing algorithm to find the initial optimal clustering center, forming the weight simulated annealing genetic annealing-fuzzy C-mean clustering (WSAGA-FCM) algorithm. Considering the characteristics of ultra-short weaving segment, density and weaving ratio are selected as clustering indicators to classify the traffic states of an ultra-short weaving segment. The accuracy of the clustering result of the improved algorithm is increased to 98.81%, and the intra-class weighted distance is reduced to 43.14% of the original one. Finally, the traffic control strategies are proposed for the traffic states.
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Published In
CICTP 2023
Pages: 290 - 300
History
Published online: Dec 14, 2023
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ASCE Technical Topics:
- Algorithms
- Engineering fundamentals
- Engineering mechanics
- Entropy methods
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Mathematics
- Models (by type)
- Surveys (non-geomatic)
- Thermodynamics
- Traffic analysis
- Traffic engineering
- Traffic management
- Traffic models
- Traffic safety
- Traffic surveys
- Transportation engineering
Authors
Affiliations
1Dept. of Traffic Management Engineering, People’s Public Security Univ. of China, Beijing, China. Email: [email protected]
2Professor, Dept. of Traffic Management Engineering, Public Security Univ. of China, Beijing, China. Email: [email protected]
3Dept. of Traffic Management Engineering, People’s Public Security Univ. of China, Beijing, China. Email: [email protected]
4Dept. of Traffic Management Engineering, People’s Public Security Univ. of China, Beijing, China. Email: [email protected]
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