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Bibliographies thématiques / 2-phase traffic model

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Littérature scientifique sur le sujet « 2-phase traffic model »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 11 mars 2023

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Articles de revues sur le sujet "2-phase traffic model"

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Colombo, Rinaldo M., Francesca Marcellini, and Michel Rascle. "A 2-Phase Traffic Model Based on a Speed Bound." SIAM Journal on Applied Mathematics 70, no. 7 (2010): 2652–66. http://dx.doi.org/10.1137/090752468.

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COLOMBO, RINALDO M., PAOLA GOATIN, and BENEDETTO PICCOLI. "ROAD NETWORKS WITH PHASE TRANSITIONS." Journal of Hyperbolic Differential Equations 07, no. 01 (2010): 85–106. http://dx.doi.org/10.1142/s0219891610002025.

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This paper is devoted to a hyperbolic 2-phase model for traffic flow on a network. The model is rigorously described and the existence of solutions is proved, without any restriction on the network geometry.

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Bin, Lv. "Modeling of Signal Plans for Transit Signal Priority at Isolated Intersections under Stochastic Condition." Mathematical Problems in Engineering 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/650242.

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Transit signal priority (TSP) is recognized as having the potential to improve transit service reliability at small cost to general traffic. The popular preference for TSP encounters the challenges of various and challenging test scenarios. According to the stochastic characteristics of traffic flow, the signal timing model was established for TSP at an isolated signal intersection, where the passenger average delay was used as the optimization objective, and the weights of all phases were considered. The priority logic that is considered in the study provides cycle length and green time withi

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Enayatollahi, Fatemeh, and M. A. Amiri Atashgah. "WIND EFFECT ANALYSIS ON AIR TRAFFIC CONGESTION IN TERMINAL AREA VIA CELLULAR AUTOMATA." Aviation 22, no. 3 (2018): 102–14. http://dx.doi.org/10.3846/aviation.2018.6252.

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The behavior of any traffic flow is sensitive to the speed pattern of the vehicles involved. The heavier the traffic, the more sensitive the behavior is to speed changes. Focusing on air traffic flow, weather condition has a major role in the deviations of aircraft operational speed from the desired speed and causes surplus delays. In this paper, the effects of wind on delays in a terminal area are analyzed using a Cellular Automaton (CA) model. Cellular automata are discrete models that are widely used for simulating complex emerging properties of dynamic systems. A one-dimensional cellular a

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He, Shuxian, Haihang Han, Huan Zhang, Shanzhi Sun, and Tony Z. Qiu. "Connected Transit Bus Dynamic Priority Weight Modeling and Conflicting Request Resolution Control at the Signalized Intersection." Journal of Advanced Transportation 2022 (December 6, 2022): 1–22. http://dx.doi.org/10.1155/2022/1550015.

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Multiaccess edge computing (MEC) and connected vehicle (CV) technologies have shown great potential and strength for traffic perception and real-time computing, which can be applied to enhance the efficiency of connected transit bus operations under their lower penetration conditions. Moreover, for the transit signal priority system, how to establish a model to measure traffic demand for conflicting priority request resolution and improve system response time has been widely researched for the last few decades. This paper proposes a dynamic priority weight (DPW) model for connected transit bus

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Xia, Lihong, Penghui Li, Zhizhuo Su, Tao Chen, Zhaoxiang Deng, and Dihua Sun. "Longitudinal Driving Behavior before, during, and after a Left-Turn Movement at Signalized Intersections: A Naturalistic Driving Study in China." Sustainability 14, no. 18 (2022): 11630. http://dx.doi.org/10.3390/su141811630.

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A human-like driving model can help to improve the acceptance and safety of automated driving systems (ADS). To improve the performance of human-like driving and interaction with conventional vehicles of ADS, the speed behavior of left-turn vehicles at the signalized intersection was studied using natural driving data. In this study, 374 valid data points of left-turn snippets at signalized intersections were extracted and three phases were introduced based on the reaction behavior of braking, stopping, and accelerating in the left-turn process. Firstly, a one-way ANOVA was used to study the i

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Yu, Lei, Peng Yue, and Hualiang Teng. "Comparative Study of EMME/2 and QRS II for Modeling a Small Community." Transportation Research Record: Journal of the Transportation Research Board 1858, no. 1 (2003): 103–11. http://dx.doi.org/10.3141/1858-15.

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The availability of so many computer-based travel-demand forecasting models provides transportation planners with powerful and flexible tools in the modeling phase of their planning or traffic-impact studies, but it has confused users in the selection of an appropriate model for a particular study. It is commonly recognized that none of the existing travel-demand models is perfectly suited for all network scenarios and traffic conditions. A particular model that is strong in one application scenario may be weak in a different application scenario. A comparative study is presented of two widely

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Echab, H., and H. Ez-Zahraouy. "Dynamic characteristics of traffic flow with consideration of crossing pedestrians’ behavior at a nonsignalized T-shaped intersection." International Journal of Modern Physics C 28, no. 11 (2017): 1750134. http://dx.doi.org/10.1142/s0129183117501340.

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In this paper, we present a cellular automata model to depict the traffic characteristics at such a nonsignalized [Formula: see text]-shaped intersection in the presence of pedestrian crossings. The vehicular traffic flow characteristics with different parameters are studied. Throughput, phase diagrams, space-time and density profiles are built to point various traffic states and the phase transition features. The principal finding of the simulation are as follows: (1) The presence of crossing pedestrians has a significant influence on the vehicular traffic and the system performance, (2) The

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Ahac, Saša, Maja Ahac, Josipa Domitrović, and Vesna Dragčević. "Modeling the Influence of Roundabout Deflection on Its Efficiency as a Noise Abatement Measure." Sustainability 13, no. 10 (2021): 5407. http://dx.doi.org/10.3390/su13105407.

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Challenges that emerge in roundabout design are mostly related to space constrictions and provision of appropriate deflection around the central island. This can result in speed profiles on roundabouts that might reduce their potential as a noise abatement measure. Because of this, the impact of a roundabout on noise levels and its applicability as a traffic calming device and a noise abatement measure should be investigated in the early design stage, by modeling noise levels. In this paper, the following hypothesis is tested: vehicle movement trajectories, defined during the fastest path perf

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Huang, Jianchang, Guohua Song, Jianbo Zhang, Zufen Li, Yizheng Wu, and Lei Yu. "The Impact of Pedestrian and Nonmotorized Vehicle Violations on Vehicle Emissions at Signalized Intersections in the Real World: A Case Study in Beijing." Journal of Advanced Transportation 2021 (March 2, 2021): 1–11. http://dx.doi.org/10.1155/2021/8849234.

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Emission around intersections has become an issue in the urban traffic network. This paper aims to investigate the impact of pedestrian and nonmotorized vehicle violations on emissions at mixed-traffic flow intersection based on the volumes of vehicles, nonmotor vehicles, and pedestrians. Also, it focuses on the arterial and collector intersections with high vehicle volume and limited space. Running red light and crossing intersection diagonally are two critical violations, accounting for 91.75% of effective violations (interference with vehicles’ operation). In this context, a violation block

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Thèses sur le sujet "2-phase traffic model"

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MARCELLINI, FRANCESCA. "Conservation laws in gas dynamics and traffic flow." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/7487.

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This PhD thesis is concerned with applications of nonlinear systems of conservation laws to gas dynamics and traffic flow modeling. The first part is devoted to the analytical description of a fluid flowing in a tube with varying cross section. We study the 2x2 model of the p-system and than, we extend the properties to the full 3x3 Euler system. We also consider a general nxn strictly hyperbolic system of balance laws; we study the Cauchy problem for this system and we apply this result to the fluid flow in a pipe wiyh varying section. Concerning traffic flow, we introduce a new macroscopic m

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Chapitres de livres sur le sujet "2-phase traffic model"

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Gárate-Vélez, Lorena, Claudia Escudero-Lourdes, Daniela Salado-Leza, et al. "Anthropogenic Iron Oxide Nanoparticles Induce Damage to Brain Microvascular Endothelial Cells Forming the Blood-Brain Barrier." In Advances in Alzheimer’s Disease. IOS Press, 2021. http://dx.doi.org/10.3233/aiad210010.

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Background: Iron nanoparticles, mainly in magnetite phase (Fe3O4 NPs), are released to the environment in areas with high traffic density and braking frequency. Fe3O4 NPs were found in postmortem human brains and are assumed to get directly into the brain through the olfactory nerve. However, these pollution-derived NPs may also translocate from the lungs to the bloodstream and then, through the blood-brain barrier (BBB), into the brain inducing oxidative and inflammatory responses that contribute to neurodegeneration. Objective: To describe the interaction and toxicity of pollution-derived Fe3O4 NPs on primary rat brain microvascular endothelial cells (rBMECs), main constituents of in vitro BBB models. Methods: Synthetic bare Fe3O4 NPs that mimic the environmental ones (miFe3O4) were synthesized by co-precipitation and characterized using complementary techniques. The rBMECs were cultured in Transwell® plates. The NPs-cell interaction was evaluated through transmission electron microscopy and standard colorimetric in vitro assays. Results: The miFe3O4 NPs, with a mean diameter of 8.45 ± 0.14 nm, presented both magnetite and maghemite phases, and showed super-paramagnetic properties. Results suggest that miFe3O4 NPs are internalized by rBMECs through endocytosis and that they are able to cross the cells monolayer. The lowest miFe3O4 NPs concentration tested induced mid cytotoxicity in terms of 1) membrane integrity (LDH release) and 2) metabolic activity (MTS transformation). Conclusion: Pollution-derived Fe3O4 NPs may interact and cross the microvascular endothelial cells forming the BBB and cause biological damage.

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Actes de conférences sur le sujet "2-phase traffic model"

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Herzberger, Nicolas, Joscha Wasser, and Frank Flemisch. "Control Centers for Maneuver-based Teleoperation of Highly Automated and Autonomous Vehicles: System Model and Requirements." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002483.

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The drive towards highly automated vehicles is continuing to gain traction, however when bridging the gap from SAE level 2 automated vehicles to highly automated level 4 vehicles, there is a phase that will require temporary takeovers by a human driver. One approach is that a tele-operator is taking over the full control over the vehicle, which requires a sophisticated control center and a data connection enabling video with sufficient bandwidth and low latency. A slightly different approach can be chosen: When a driving automation reaches a system limit or border (e.g. a construction zone or

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Blake, William K., and Paul Donovan. "A New Road-Side Array-Based Method for Characterization of Truck Noise During Passby." In ASME 2008 Noise Control and Acoustics Division Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ncad2008-73055.

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This paper describes the development of a new method for measuring pass-by sound from trucks and other vehicles using 2-dimensional arrays. The approach provides 2-dimensional quantitative maps “images” of the cross-range and elevation distribution in the vehicle side view. The method is an application and extension of an array technology that was originally used for the characterization of static aeroacoustic sources in wind tunnels. The focus of this work is on identifying and rank-ordering the important contributing sources of passby noise. This development includes two phases: developmenta

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Mak, Lawrence, Brian Farnworth, Eugene H. Wissler, et al. "Thermal Requirements for Surviving a Mass Rescue Incident in the Arctic: Preliminary Results." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49471.

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Maritime and air traffic through the Arctic has increased in recent years. Cruise ship and commercial jet liners carry a large number of passengers. With increased traffic, there is a higher probability that a major disaster could occur. Cruise ship and plane accidents could be catastrophic and may require mass rescue. Due to the remote location, limited search and rescue resources, time for these resources to get to the accident location and large number of survivors, the retrieval time could be several days. Therefore, survivors may be required to survive on their own for days while they awa

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Scoliege, Jordan, Jessy Barre, and Philippe Cabon. "Integration of Human Factors in an Automated Driving Supervision System." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002308.

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In the field of transport, the reduction in the number of accidents caused by human error is often put forward as an argument in favor for the deployment of autonomous vehicle (Fagnant, & Kockelman, 2015). However, as long as autonomous vehicles are not capable of handling all driving situations, the human operator remains in the control loop and cooperates with the autonomous system (SAE levels 2, 3, and 4 - scale from 0 to 5 where 5 corresponding to the fully autonomous vehicle). The development of supervision systems could be a means to improve safety in these systems, as it has been th

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Scoliege, Jordan. "Understanding the supervision activity to design a non-existent control system for automated driving through prospective ergonomics." In 8th International Conference on Human Interaction and Emerging Technologies. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002777.

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Just like the progressive evolution of industrial processes towards highly automated systems, today we see a similar evolution in the mobility sector with the development of autonomous vehicles. These evolutions have and will change the work activity of human from "realization" to "supervision". Due to the progressive increase in autonomy, the SAE (Society Of Automotive Engineers) has created a categorization in 6 levels (from 0 to 5, where 5 corresponding to a fully autonomous vehicle). As long as automated vehicles are not able to manage all driving situations (SAE levels 2, 3 and 4), the hu

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Rapports d'organisations sur le sujet "2-phase traffic model"

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Al-Qadi, Imad, Qingqing Cao, Lama Abufares, Siqi Wang, Uthman Mohamed Ali, and Greg Renshaw. Moisture Content and In-place Density of Cold-Recycling Treatments. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-007.

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Cold-recycling treatments are gaining popularity in the United States because of their economic and environmental benefits. Curing is the most critical phase for these treatments. Curing is the process where emulsion breaks and water evaporates, leaving residual binder in the treated material. In this process, the cold-recycled mix gains strength. Sufficient strength is required before opening the cold-treated layer to traffic or placing an overlay. Otherwise, premature failure, related to insufficient strength and trapped moisture, would be expected. However, some challenges arise from the la

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