Chapter
Apr 26, 2012
Short-Term Traffic Flow Predication Based on PSO-SVM
Authors: Chengtao Cao [email protected] and Jianmin XuAuthor Affiliations
Publication: International Conference on Transportation Engineering 2007
Abstract
The accurate predication of short-term traffic flow is essential in ITS. On the basis of analyzing the parameter performance of support vector machine (SVM) for regression estimation, the paper proposes a short-term traffic flow predication model based on PSO-SVM. The parameter of SVM was optimized by using particle swarm optimization (PSO). The method takes advantage of the minimum structure risk of SVM and the quickly globally optimizing ability of PSO. As the proposed model can reduce the dimensionality of data space and preserve features of traffic flow time series, it can efficiently predict traffic flow. The simulation results of traffic flow collected from Chinese national highway G107 prove its validity. The average predication error is 3.4%.
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© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Artificial intelligence and machine learning
- Computer programming
- Computing in civil engineering
- Engineering fundamentals
- Engineering materials (by type)
- Information Technology (IT)
- Infrastructure
- Materials engineering
- Mathematics
- Models (by type)
- Parameters (statistics)
- Particles
- Regression analysis
- Statistical analysis (by type)
- Statistics
- Traffic analysis
- Traffic engineering
- Traffic flow
- Traffic management
- Traffic models
- Transportation engineering
Authors
Affiliations
College of Traffic and Communications, South China University of Technology, Guangzhou, 510641, China. E-mail: [email protected]
Jianmin Xu
College of Traffic and Communications, South China University of Technology, Guangzhou, 510641, China
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