Chapter
Apr 26, 2012
Speed Estimation on Freeways Using Floating Cars Equipped with GPS Receivers
Publication: International Conference on Transportation Engineering 2007
Abstract
With the deployment of Advanced Traveler Information System (ATIS), how to collect dynamic traffic information effectively has become an important part of the system. In the paper, floating cars (FCs) equipped with GPS receivers automatically collect time, local coordinates, and speed at regular sampling periods. First, the sample size of floating cars is discussed and a probability model is analyzed considering speed estimation accuracy. Secondly, speed data collected is used to estimate link average speed on freeway using self-adaptive exponential smoothing method. Finally, the performance of the method is discussed based on the data of Chengyu freeway in 2005.
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Information
Published In
International Conference on Transportation Engineering 2007
Pages: 2936 - 2941
Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Automation and robotics
- Automobiles
- Data collection
- Engineering fundamentals
- Highway and road management
- Highway transportation
- Highways and roads
- Information systems
- Infrastructure
- Mathematics
- Methodology (by type)
- Model accuracy
- Models (by type)
- Probability
- Research methods (by type)
- Systems engineering
- Traffic engineering
- Traffic management
- Traffic speed
- Transportation engineering
- Vehicles
Authors
Affiliations
Laboratory of CTT, College of Traffic and Transportation, Southwest Jiaotong University, Chengdu, Sichuan. E-mail: [email protected]
Chengdu Metro Company, Chengdu, Sichuan. E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.