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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Munoz, L. Xiaotian Sun Horowitz, R. Alvarez, L. |
| Copyright Year | 2003 |
| Description | Author affiliation: Dept. of Mech. Eng., California Univ., Berkeley, CA, USA (Munoz, L.; Xiaotian Sun; Horowitz, R.) |
| Abstract | A macroscopic traffic flow model, called the switching-mode model (SMM), has been derived from the cell transmission model (CTM) and then applied to the estimation of traffic densities at unmonitored locations along a highway. The SMM is a hybrid system that switches among different sets if linear difference equations, or modes, depending on the mainline boundary data and the congestion status of the cells in a highway section. Using standard linear systems techniques, the observability and controllability properties of the SMM modes have been determined. Both the SMM and a density-based version of the CTM have been simulated over a section of I-210 West in Southern California, using several days of loop detector data collected during the morning rush-hour period. The simulation results show that the SMM and CTM produce density estimates that are both similar to one another and in good agreement with measured densities on I-210. The mean percentage error averaged over all the test days was approximately 13% for both models. |
| Sponsorship | American Automatic Control Council IFAC |
| Starting Page | 3750 |
| Ending Page | 3755 |
| File Size | 430526 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780378962 |
| ISSN | 07431619 |
| DOI | 10.1109/ACC.2003.1240418 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Traffic control Road transportation Switches Difference equations Linear systems Observability Controllability Detectors Density measurement Testing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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