Graphical analysis of rollback process in ad hoc distributed traffic simulation
- Authors
- Suh, Wonho
- Issue Date
- Jan-2021
- Publisher
- MDPI AG
- Keywords
- Ad hoc distribution; Distributed simulation; Graphical analysis; Rollback
- Citation
- Applied Sciences (Switzerland), v.11, no.1, pp.1 - 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- Applied Sciences (Switzerland)
- Volume
- 11
- Number
- 1
- Start Page
- 1
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/651
- DOI
- 10.3390/app11010121
- ISSN
- 2076-3417
- Abstract
- Recent advancements in sensor, mobile computing, and wireless communication technologies is creating new opportunities to effectively exploit real-time traffic data. Onboard vehicles collect, process, simulate traffic states in a distributed fashion and a local transportation management center coordinates the overall simulation with an optimistic execution technique. Such a distributed approach can provide more up-to-date and robust estimates with decreased communication bandwidth requirements and increased computing capacity. This paper proposes an online ad hoc distributed simulation. The physical operating platform for the model including operating system, communi-cational middleware, and traffic simulation model are described. Also, this paper investigates the analytical background of rollback process of the proposed ad hoc distributed simulation model. Flow rate diagram and cumulative number of vehicle diagram show that the overall system simulation speed and estimate accuracy may differ significantly as a function of the selected threshold. © 2020 by the author. Licensee MDPI, Basel, Switzerland.
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