Academic literature on the topic 'Non-optimal traffic situation'

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Journal articles on the topic "Non-optimal traffic situation"

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Zhu, Yan. "Collaborative Intelligent Traffic Planning in the Internet of Vehicles." Sensors 24, no. 4 (2024): 1303. http://dx.doi.org/10.3390/s24041303.

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With the increasing number of urban vehicles, as well as the current situation of non-intelligent traffic control systems, spatiotemporal non-uniform traffic resource occupation, and limited traffic planning and design, existing urban traffic planning methods cannot effectively solve problems such as frequent traffic congestion and uncontrollable commuting time for residents. In order to solve the above problems, this paper first constructs a multi-queue, multi-server queuing model based on the server vacation and a multi-hop cascaded queuing model from the perspective of local intersections a
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Luo, Ying, M. Hadiuzzaman, Jie Fang, and Tony Z. Qiu. "Assessing the mobility benefits of proactive optimal variable speed limit control during recurrent and non-recurrent congestion." Canadian Journal of Civil Engineering 42, no. 7 (2015): 477–89. http://dx.doi.org/10.1139/cjce-2013-0427.

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Over the past few decades, several active traffic control methods have been proposed to improve freeway efficiency at bottleneck locations. Variable speed limit (VSL) is one of these effective controls. Previous studies have evaluated VSL control, but primarily during recurrent congestion only. This study focuses on evaluating the performance of VSL control for both recurrent and non-recurrent congestion. To assess the effectiveness of a previously proposed VSL control in a real-world situation, this study has three evaluation objectives: (1) examine the control performance when recurrent and
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Scholz, Johannes, and Richard L. Church. "Shortest Paths from a Group Perspective—A Note on Selfish Routing Games with Cognitive Agents." ISPRS International Journal of Geo-Information 7, no. 9 (2018): 345. http://dx.doi.org/10.3390/ijgi7090345.

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This paper presents an analysis of the effects of cognitive agents employing selfish routing behavior in traffic networks with linear latency functions. Selfish routing occurs when each agent traveling on a network acts in a purely selfish manner, therefore the Braess Paradox is likely to occur. The Braess Paradox describes a situation where an additional edge with positive capacity is added to a given network, which leads to higher total system delay. By applying the concept of cognitive agents, each agent is able to make a range of non-selfish and selfish decisions. In addition, each agent h
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Sasaninejad, Sara, Joris Van Malderen, Joris Walraevens, and Sabine Wittevrongel. "Expected Waiting Times at an Intersection with a Green Extension Strategy for Freight Vehicles: An Analytical Analysis." Mathematics 11, no. 3 (2023): 721. http://dx.doi.org/10.3390/math11030721.

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The need for transporting commodities has led to more and more freight vehicles on urban roads. Specific operational constraints of such vehicles could induce non-homogeneities in the smooth movement of traffic, especially at intersections where acceleration/deceleration events occur frequently. This leads to unnecessary wasted time for all vehicles, even in low to moderate traffic conditions. Hence, the literature reports different proposals to enhance the continuity of traffic at intersections. Among them, the green extension strategy has attracted researchers’ attention, owing to its simpli
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Andriulo, Giovanni. "A strategy of quick hierarchization of road bridge maintenance activities." European Transport/Trasporti Europei 80, ET.2020 (2020): 1–18. http://dx.doi.org/10.48295/et.2020.80.4.

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The control and maintenance of infrastructures is a crucial aspect for the sustainability and development of the economic and social activities of a country. The managing authorities, in order to preserve the efficiency and safety of the traffic flows, have to deal with a rather old infrastructure asset that is often in a non-optimal conservation state with an increasing degradation process induced by the increment of the traffic loads and by the environmental actions. The situation is exacerbated by the limited economic resources and reduced workforces at disposal with the consequence that an
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Greaves, Jesse A., and Daniel J. Scheeres. "Observation and Maneuver Detection for Cislunar Vehicles." Journal of the Astronautical Sciences 68, no. 4 (2021): 826–54. http://dx.doi.org/10.1007/s40295-021-00283-y.

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AbstractInternational interest in the sustained development of cislunar space will generate traffic and debris in the region which requires monitoring; similar to how current space situation awareness is necessary for the traffic and debris near Earth. There are many challenges associated with developing a cislunar situation awareness program, but 2 primary issues addressed by this paper are observational strategies and maneuver detection methods. This work proposes an observational strategy that utilizes the ballistic Optimal Control Based Estimator (OCBE) to filter measurements from cislunar
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Eggenschwiler, Kurt, Tilljan Jansohn, Matthias Blau, and Beat Schäffer. "Effects of sound absorbing facades on the acoustical quality in different simulated inner courtyard situations." Acta Acustica 8 (2024): 76. https://doi.org/10.1051/aacus/2024053.

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Residential perimeter blocks can shield traffic noise, but the acoustical quality may be sub-optimal in the inner courtyards. This study investigated how effective sound-absorbing facade surfaces and balcony soffits as well as an absorbing floor (lawn) influence the acoustical quality in inner courtyards. Room acoustical simulations were carried out for eight generic and two real-world models with very large numbers of transmission paths. Facades (reflecting, fully absorbing, partially absorbing), balcony soffits (reflecting, absorbing) and courtyard floor (reflecting, absorbing) were varied.
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Lührs, Benjamin, Florian Linke, Sigrun Matthes, Volker Grewe, and Feijia Yin. "Climate Impact Mitigation Potential of European Air Traffic in a Weather Situation with Strong Contrail Formation." Aerospace 8, no. 2 (2021): 50. http://dx.doi.org/10.3390/aerospace8020050.

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Air traffic contributes to anthropogenic global warming by about 5% due to CO2 emissions and non-CO2 effects, which are primarily caused by the emission of NOx and water vapor as well as the formation of contrails. Since—in the long term—the aviation industry is expected to maintain its trend to grow, mitigation measures are required to counteract its negative effects upon the environment. One of the promising operational mitigation measures that has been a subject of the EU project ATM4E is climate-optimized flight planning by considering algorithmic climate change functions that allow for th
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Wang, Xiaorong, Yinzhen Li, Changxi Ma, and Shurui Cao. "Biform Game Approach to Strategy Optimization of Autonomous Vehicle Lane Changes on Highway Ramps." Applied Sciences 15, no. 5 (2025): 2568. https://doi.org/10.3390/app15052568.

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The traditional non-cooperative and cooperative game methods have limitations in solving the traffic problems of autonomous or assisted driving vehicles using vehicle-to-everything communication. In this paper, the biform game method is introduced to optimize the lane-changing behavior of autonomous or assisted driving vehicles in highway on-ramp areas based on vehicle-to-everything. Considering the lane-changing and speed adjustment needs of autonomous vehicles in high-speed scenarios, a forced lane-changing framework was constructed, and the speed gain allocation was determined based on the
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Dai, Yi-Zheng, and Chen-Yang Zhang. "Comparative Study on Characteristics of Urban Road Network in Station Catchment Area between China and Other Countries for Station-City Integration." Journal of Advanced Transportation 2022 (May 11, 2022): 1–12. http://dx.doi.org/10.1155/2022/1910404.

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The urban road network is one of the most important factors affecting urban traffic operation in station catchment areas, as well as the main factor in station-city integration. China’s high-speed railway has developed rapidly, and station catchment areas encompassed by station-city integration have emerged as city planning and urban design aims. However, the differences in urban road network characteristics in the station catchment area between China and other countries have not been adequately researched yet. Considering 20 station catchment areas encompassed by the station-city integration
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Dissertations / Theses on the topic "Non-optimal traffic situation"

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Попова, О. Н. "Прогнозирование неоптимальной дорожной ситуации по значению загрязнения в точке, удаленной от дороги". Thesis, Сумский государственный университет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/39426.

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Современный мир невозможно представить без автомобиля. За последнее время автопарк страны значительно увеличился, и сейчас каждый четвертый житель нашей страны имеет в распоряжении собственный автомобиль. Это свидетельствует о том, что количество пробок на дорогах увеличивается, вследствие чего возникает неоптимальная дорожная ситуация. С экологической точки зрения это говорит о том, что предельно-допустимая концентрация вредных веществ на дорогах может превышать норму, что неблагоприятно сказывается на здоровье человека.
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Conference papers on the topic "Non-optimal traffic situation"

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Danninger, Alois, and Uwe Martin. "CO2 reduction for long haul trucks by predictive control." In FISITA World Congress 2021. FISITA, 2021. http://dx.doi.org/10.46720/f2020-adm-014.

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In the transport sector, the reduction of real driving emissions and fuel consumption in long haul traffic is one of the main societal challenges. Regulations e.g. Euro VI are a baseline with respect to targets in defined test environment conditions, while a clear need exist to have real driving efficiency measurements to promote the introduction of innovative solutions for fuel consumption and emission reductions. Reduction of CO2 and pollutant emissions interact with each other and vary with the specific vehicle application, operating conditions and mission. The overall objective of this wor
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