34,868 Hits in 7.1 sec

A new network model for the analysis of air traffic networks

Tamás Péter, Krisztián Szabó
2012 Periodica Polytechnica Transportation Engineering  
The article gives a new network model for the analysis of large air traffic networks and provides new opportunities also in the area of control theory.  ...  Another problem is the fact that if the air traffic control is inefficient, it brings about substantial excess costs, as well.  ...  The Eulerian model became popular in air traffic flow control problem applications partly because these models are suitable for traditional linear system control planning, as well.  ... 
doi:10.3311/ fatcat:tftjw5e6jna4pnj3udgj6ologi

Design of Air Traffic Control Operation System Using Multi Agent Technology and Simulation

Zhipeng Wei, Jing Li
2015 The Open Fuels & Energy Science Journal  
An arrivals and departures simulation application has validated that the Agent based hybrid air traffic model is provided with high fidelity in micro behavior and macro performance of the system.  ...  Typical Agent-based air traffic models such as aircraft agent and controller agent have been constructed.  ...  Air traffic network is constructed by the routes in airspace, and the air traffic flow operational system (ATFOS) is constructed by the movement of aircrafts flow flying in the air traffic network, air  ... 
doi:10.2174/1876973x01508010368 fatcat:wn63jmjwqnbzzeipmt6hgarhla

Essential Tasks to Reduce Environmental Pollution in Urban Transportation Networks

Fengxiang Qiao, Qing Li, Lei Yu
2017 Environment Pollution and Climate Change  
E n vi ronme n t P o ll u tio n an d C li m a te Cha n g e  ...  The network control models for urban networks involve the development of traffic flow theories and various transportation network optimization models [32] , with an objective to mitigate vehicle emissions  ...  models that optimize traffic controls to improve urban air quality: Since network transportation problem is actually a demand vs. supply problem, the optimization models of network transportation management  ... 
doi:10.4172/2573-458x.1000142 fatcat:6yk5daeju5hkvk7a7j2yvrfph4

Editorial: Trends in transportation

J. Fearnsides
1975 IEEE Transactions on Automatic Control  
Another set of problems arises in the need to determine the desired traffic flows on transportation networks.  ...  Such questions arise in the consideration of the problem of minimizing the difference between desired and actual traffic flows.  ... 
doi:10.1109/tac.1975.1101115 fatcat:2oioj7psl5amnlxqvqxogrfuyu

Traffic Control Problems using Graph Connectivity

Arun KumarBaruah
2014 International Journal of Computer Applications  
This result has got application in traffic control problems at an arbitrary intersection so as to minimize the waiting time of the traffic participants and the cost of locating the sensors in order to  ...  In modern day automobile traffic the problem of traffic congestion calls for the design of efficient control strategies.  ...  ACKNOWLEDGEMENTS This Research is funded by grants from the UGC, New Delhi, India as a Major Research Project awarded to the author.  ... 
doi:10.5120/15026-3342 fatcat:7kiihscmnba3djjdlexq6x56bu

Data-Driven Analysis of the Chaotic Characteristics of Air Traffic Flow

Zhaoyue Zhang, An Zhang, Cong Sun, Shuaida Xiang, Shanmei Li
2020 Journal of Advanced Transportation  
The latter is currently in an exploratory stage because it has just been introduced into the study of air traffic flow.  ...  of the degree distributions of two fitting methods under different time scales are evaluated, which provides support for the air traffic flow theory.  ...  Acknowledgments is study was supported in part by the National Natural Science Foundation of China (No. 71801215) and in part by the Research Funds for Interdisciplinary Subject, Northwestern Polytechnical  ... 
doi:10.1155/2020/8830731 doaj:67a74429e06a4a1c8e6f92a1fde7c3c8 fatcat:juwgrr6b55eazjsymv5pibba3m

Mathematical Approaches in Advanced Control Theories 2013

Baocang Ding, Weihai Zhang, Tianming Liu, Xianxia Zhang, Dewei Li, Tao Zou
2014 Journal of Applied Mathematics  
Advanced control technologies have become ubiquitous in various engineering applications (e.g., chemical process control, robot control, air traffic control, vehicle control, multiagent control, and networked  ...  The development of mathematical methods is essential for the applications of advanced control theories.  ...  Acknowledgments Finally, we would like to thank all the authors who have submitted papers to the special issue and the reviewers involved in the refereeing of the submissions.  ... 
doi:10.1155/2014/718595 fatcat:3aatqsnjyvcdrfto7uszswtobu

Optimal Route Policy In Air Traffic Control With Competing Airlines

Siliang Wang, Minghui Wang
2010 Zenodo  
Numerical simulation results show the feasibility of solving the air traffic flow control problem using market mechanism and pricing algorithms on the air traffic network.  ...  This work proposes a novel market-based air traffic flow control model considering competitive airlines in air traffic network.  ...  CONCLUSION This study presents a novel air traffic control model based on market theory in air traffic network.  ... 
doi:10.5281/zenodo.1057670 fatcat:t5hnusmjm5hnljeh63fell33he

Game Theory-based Routing for Software-Defined Networks

Amit Nayyer
2020 International Journal for Research in Applied Science and Engineering Technology  
Software Defined Networking is an emerging paradigm that allows the separation of the control plane from the forwarding plane.  ...  Dynamic routing is one of the notions where the decisions are made in real-time by viewing traffic in the network. Inspecting the current traffic, an optimal path is chosen.  ...  In "Urban traffic control problem: A game theory approach" [6] author propose to use signal lights as finite controlled Markov chains.  ... 
doi:10.22214/ijraset.2020.32676 fatcat:3lgcmgehlve2tcktspqtnzrvym

Do new sources of traffic data make the application of Chaos Theory to traffic management a realistic possibility?

Abraham T. Narh, Neil Thorpe, Margaret C. Bell, Graeme A. Hill
2016 Transport reviews  
As traffic is a time-dependent and non-linear system, Chaos Theory is a prime candidate for application to Urban Traffic Control (UTC) to improve congestion and pollution management.  ...  Previous applications have been restricted to relatively uncomplicated motorway and inter-urban networks, arguably where the associated problems of congestion and vehicle emissions are less severe, due  ...  Acknowledgement The authors would like to acknowledge the support of the EPSRC for funding this research and the Instrumented Cities Project in Leicester which made available the traffic data.  ... 
doi:10.1080/01441647.2016.1140687 fatcat:mykfhv6or5cgvlzmb6b6hix6uy

Market-Based Air Traffic Flow Control with Competing Airlines

Steven L. Waslander, Robin L. Raffard, Claire J. Tomlin
2008 Journal of Guidance Control and Dynamics  
In order to advance efficient and equitable use of the National Airspace System during capacity disruptions due to weather, air traffic management is modeled as a network flow optimization program which  ...  Simulation results are presented for feasible problem sizes of both flow models, and demonstrate the gains that can be achieved by implementing market mechanisms for air traffic management.  ...  This theoretical foundation represents a formal justification for the application of market mechanisms to the air traffic control problem. A.  ... 
doi:10.2514/1.30595 fatcat:lka2iu7j55fmxg4i6wxaaakkr4

Computational Algorithms and Modeling for the Traffic Flow

Seong-Cheol Lee, Hong-Kyu Kwon
2016 Indian Journal of Science and Technology  
In this case, a traffic congestion problem can be solved with an estimation of traffic flow. An optimization model in this paper is described, which was applied on the traffic equilibrium problem.  ...  Findings: The traffic congestion had been mainly increasing the air pollution problems, and also it might cause the bad traffic conditions such as idling, acceleration, and braking.  ...  Research on the mathematical modeling of traffic network handling the traffic flow using the road network as the flow in the network (number of users) has been actively carried out 5 .  ... 
doi:10.17485/ijst/2016/v9i44/105111 fatcat:wen3asvharaqxdnrremvrcwc2u

Traffic Environmental Capacity and MFD Based Traffic Emission Dynamic Control Model

Yiman Du, Yuhan Jia, Jianping Wu, Ming Xu, Senyan Yang
2015 Journal of Residuals Science and Technology  
As a case study, the proposed methodology is applied to a road network located in central area of Nanjing.  ...  In recent years, the transportation system has become a major source of air pollution. Consequently, it is vital to improve traffic efficiency to preserve urban air quality.  ...  When simulating, the OD data is assigned to the road network as traffic flow. The emission of CO is selected as the measure and only private cars are considered.  ... 
doi:10.12783/issn.1544-8053/12/4/5 fatcat:ffbmlf4wpzdvhbe2ajimoh7vdu

Convex Formulations of Air Traffic Flow Optimization Problems

D.B. Work, A.M. Bayen
2008 Proceedings of the IEEE  
| The problem of regulating air traffic in the en route airspace of the National Airspace System is studied using a Eulerian network model to describe air traffic flow.  ...  We pose the problem of optimal traffic flow regulation as a continuous optimization program in which the partial differential equation appears in the constraints.  ...  Raffard for sharing with us his assessment of the feasibility of posing the first problem outlined in this article as a convex program, based on an earlier conversation with Prof. C. Tomlin, A.  ... 
doi:10.1109/jproc.2008.2006150 fatcat:nrhv5rvbnbgnpngnk3em3p7sqy

Research on Air Traffic Flow Forecast Based on ELM Non-Iterative Algorithm

Zhaoyue Zhang, An Zhang, Cong Sun, Shuaida Xiang, Jichen Guan, Xuedong Huang
2020 Journal on spesial topics in mobile networks and applications  
The findings of this research provide a reference for air traffic flow theory.  ...  In this paper, the chaotic characteristics of air traffic flow are studied, ADS-B data easily available to ground aviation users are selected as the basic data of traffic flow, and a high-dimensional prediction  ...  Acknowledgements This study was supported in part by the National Natural Science Foundation of China (Nos. 71801215), and in part by the Research Funds for Interdisciplinary subject, Northwestern Polytechnical  ... 
doi:10.1007/s11036-020-01679-0 fatcat:pff7qrvg3je4pnqpeqmicfwh5i
« Previous Showing results 1 — 15 out of 34,868 results