The fundamental diagram (FD) describes the relation between the flow and density in equilibrium conditions. In this paper, we propose an estimation approach to estimate the FD based on data from moving observers. This approach consists of two main steps: (1) estimate flow and density for space-time areas based on trajectories of moving observers and the times and locations they are overtaken or being overtaken and (2) estimate the FD based on the fflow,densityg-estimates. To evaluate and gain a deeper understanding of the proposed approach, a simulation study was conducted. This study shows that the fflow,densityg-estimates provide valuable information to estimate the FD. Furthermore, the FDs belonging to the simulated traffic flow are estimated accurately. We realize that the second step is expected to be less accurate for traffic that behaves stochastic. Therefore, we provide a potential solution path to extend the second step in future work.
|Title of host publication||Proceedings of the ITSC 2018: 21st IEEE International Conference on Intelligent Transportation Systems|
|Number of pages||7|
|Publication status||Published - 2018|
|Event||21st IEEE International Conference on Intelligent Transportation Systems, ITSC 2018 - Maui, United States|
Duration: 4 Nov 2018 → 7 Nov 2018
Conference number: 21
|Conference||21st IEEE International Conference on Intelligent Transportation Systems, ITSC 2018|
|Abbreviated title||ITSC 2018|
|Period||4/11/18 → 7/11/18|
Bibliographical noteGreen Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
- moving observers
- Edie’s definitions
- fundamental diagram