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Distributed Constraint-Based Railway Simulation [chapter]

Hans Schlenker
2005 Lecture Notes in Computer Science  
This work goes beyond that in two main aspects: We use constraint satisfaction to get rid of dead lock problems and the simulation is done distributed for better performance.  ...  This should make it possible to solve very large railway simulation problems.  ...  Constraint-Based Railway Simulation In constraint-based simulation (CBS), we also use discrete time events, but use a completely different modeling: The system to be simulated is described as one complex  ... 
doi:10.1007/11415763_14 fatcat:nndot4o2mva5pd2j3oy3iylubi

Distributed Constraint-Based Railway Simulation [chapter]

Hans Schlenker
2002 Lecture Notes in Computer Science  
This work goes beyond that in two main aspects: We use constraint satisfaction to get rid of dead lock problems and the simulation is done distributed for better performance.  ...  This should make it possible to solve very large railway simulation problems.  ...  Constraint-Based Railway Simulation In constraint-based simulation (CBS), we also use discrete time events, but use a completely different modeling: The system to be simulated is described as one complex  ... 
doi:10.1007/3-540-46135-3_60 fatcat:hwytnocqpbbehiwe3obwczfnou

Distributed Constraint-Based Railway Simulation [chapter]

Hans Schlenker
2003 Lecture Notes in Computer Science  
This work goes beyond that in two main aspects: We use constraint satisfaction to get rid of dead lock problems and the simulation is done distributed for better performance.  ...  This should make it possible to solve very large railway simulation problems.  ...  Constraint-Based Railway Simulation In constraint-based simulation (CBS), we also use discrete time events, but use a completely different modeling: The system to be simulated is described as one complex  ... 
doi:10.1007/978-3-540-45193-8_119 fatcat:qfgfylk6kbemvbem7fciwz6oom

Geo-Distributed Simulation and Verification Infrastructure for safe train Galilleo-based positioning

Stallo Cosimo, Neri Alessandro, Salvatori Pietro, Rispoli Francesco, Desenfans Olivier, Marais Juliette, Aguila Antonio, Sierra Beatriz, Campo Ricardo, Molina Daniel, Herranz Susana, Leblan Xavier (+1 others)
2020 Zenodo  
The work shows the high level concept and methodology followed for designing a geo-distributed simulation and verification infrastructure connecting remotely GNSS excellence centres and ERTMS/ETCS laboratories  ...  Proper methodology and tools are adopted to simulate GNSS behaviour in different railway scenarios in nominal or in presence of global and local hazards.  ...  It supports H/W in the loop simulation and has high scalability through distributed simulation in cloud environment. 2.  ... 
doi:10.5281/zenodo.4896672 fatcat:qct3hg23czfnlhb33za5g5w6ga

State-of-the-art of railway operations research [chapter]

I. A. Hansen
2010 Vorticity and Turbulence Effects in Fluid Structure Interactions  
distributions of hinder by headway constraints and route conflicts is presented, while stochastic timetable optimisation may help to determine a more efficient distribution of running time margins and  ...  Operations quality can be modeled by the estimation of (admitted) queue length and micro-simulation.  ...  Acknowledgements This publication is a result of the research project 'Modelling and analysis of operations in railway networks: the influence of stochasticity' supported by the Dutch research foundation  ... 
doi:10.2495/978-1-84564-500-7/04 fatcat:ywmr4kwgvjhfzn4qcevf5hcvky

Capacity constrained accessibility of high-speed rail

Yu Shen, Jinhua Zhao
2015 Transportation  
We estimate the expected waiting time and the probability of forgoing trips based on the M/G B /1 type of queuing and discrete-event simulation, and formally incorporate the impacts of capacity constraints  ...  Because the new CCA measure effectively incorporates the impact of capacity constraints, it is responsive to different arrival rules, service distributions, and system loads, and therefore provides a more  ...  The discrete-event simulation is programmed in Java based on AnyLogic simulation platform, and the outputs are recorded in SQL and analyzed in R.  ... 
doi:10.1007/s11116-015-9660-8 fatcat:tc7p7vgipjauvnovuupbtqbzju

Coordination and Optimization of Long-Distance Passenger Departure Timetable Connected to High-Speed Railway Station: Considering the Heterogeneity of Transfer Passengers Demand

Bing Zhang, Dandan Zhou, Nana Huang, Xun Zhou, Xunyou Ni
2022 Journal of Advanced Transportation  
The model takes the minimum total cost and the highest transport capacity as the goal, with the constraints of the departure interval, the waiting time of the stranded passengers, the amount of passenger  ...  loss of passengers, but also alleviate the pressure of passenger flow accumulation caused by uneven arrival of high-speed railways.  ...  trains based on the connection of railway passenger hubs and simulated them with the actual data of Shenyang Metro Line 1 connected to Shenyang Station. e experimental results show that optimizing the  ... 
doi:10.1155/2022/6743552 doaj:47b4b3f6b1504b5c91c386faba63561a fatcat:n2skt5awmbe7tdmshbc7nuj66q

Integrated condition-based track maintenance planning and crew scheduling of railway networks

Zhou Su, Ali Jamshidi, Alfredo Núñez, Simone Baldi, Bart De Schutter
2019 Transportation Research Part C: Emerging Technologies  
-Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in We develop a multi-level decision making approach for optimal condition-based maintenance planning of a railway  ...  Simulation results show that the proposed approach is robust, non-conservative, and scalable.  ...  In the literature, distributed control methods have been applied to distributed control methods applied to railway traffic control problem, e.g. the distributed optimal control method based on dual decomposition  ... 
doi:10.1016/j.trc.2019.05.045 fatcat:qvxpzuzvc5asrf4rbeerg2ohyi

Distributed Optimization for Railway Track Maintenance Operations Planning

Muhammad Faris, Alfredo Nunez, Zhou Su, Bart De Schutter
2018 2018 21st International Conference on Intelligent Transportation Systems (ITSC)  
operations of large-scale railway infrastructure formulated as a Mixed-Integer Linear Programming (MILP) problem.  ...  Distributed Robust Safe But Knowledgeable (DRSBK).  ...  The railway track is a distributed parameter system that changes over time and over space.  ... 
doi:10.1109/itsc.2018.8569335 dblp:conf/itsc/FarisNSS18 fatcat:t2q7po222jgnfov67ibjmwqnqy

RailNet: A simulation model for operational planning of rail freight

Guillaume Michal, Nam Huynh, Nagesh Shukla, Albert Munoz, Johan Barthelemy
2017 Transportation Research Procedia  
The simulation modelling platform developed in this paper is called RailNet, which simulates the existing railway network constraints and is capable of adding freight paths for planning and scheduling.  ...  The simulation modelling platform developed in this paper is called RailNet, which simulates the existing railway network constraints and is capable of adding freight paths for planning and scheduling.  ...  Further, Confessore et al. (2009) have used simulation based methods for estimating capacity of railways.  ... 
doi:10.1016/j.trpro.2017.05.426 fatcat:bayyjiizn5fsrl2fixai4qcrxa

Bi-level programming model and genetic simulated annealing algorithm for inland collection and distribution system optimization under uncertain demand

Q.K. Cao, M.N. Qin, X.Y. Ren
2018 Advances in Production Engineering & Management  
Based on the demand change, this paper measures the disturbance of the demand change to the inland collection and distribution system from ports and customers, it establishes bi-level programming model  ...  The genetic simulated annealing algorithm is an effective algorithm to solve the bi-level programming model with multiple targets.  ...  Thus, the key to making the constraint a deterministic constraint is to express the critical value with a known distribution.  ... 
doi:10.14743/apem2018.2.280 fatcat:qyhbq27fpnftfopiacmk36niry

A simulation-based optimization approach for passenger train timetabling with periodic track maintenance and stops for praying

Zahra Bahramian, Morteza Bagheri
2015 Journal of Modern Transportation  
The two proposed methods are based on integration of a simulation and an optimization method to simulate train traffic flow and generate near optimal train timetable under realistic constraints including  ...  The Islamic Republic of Iran Railways (IRIR) data and regulations have been used to optimize train timetable.  ...  GA implemented optimization strategies based on simulation of the natural evolution of a species.  ... 
doi:10.1007/s40534-015-0077-z fatcat:tjmfrbeuyfg5vfq4iu3bdgqm6q

A simulation-based optimization approach to reschedule train traffic in uncertain conditions during disruptions

Masoud Shakibayifar, A. Sheikholeslami, F. Corman
2017 Scientia Iranica. International Journal of Science and Technology  
We designed a simulation-based optimization model that incorporates dynamic dispatch priority rules with the objective of minimizing the total delay time of trains.  ...  The result indicates that the developed simulation-based optimization approach has substantial advantages in producing practical solution quickly, when compared to commercial optimization software.  ...  The developed simulation-based optimization approach has the exibility of adjusting train operations under time and resource constraints in an e cient way.  ... 
doi:10.24200/sci.2017.4186 fatcat:tyniwnbbvncjlomevfkm6qq5aa

Domain-dependent distributed models for railway scheduling

M.A. Salido, M. Abril, F. Barber, L. Ingolotti, P. Tormos, A. Lova
2007 Knowledge-Based Systems  
In this work, we model the railway scheduling problem by means of domain-dependent distributed constraint models, and we show that these models maintained better behaviors than general distributed models  ...  based on graph partitioning.  ...  Partition proposal 3 is based on distributing the original railway problem by means of contiguous stations.  ... 
doi:10.1016/j.knosys.2006.11.013 fatcat:xgdw6s2cwjhl5c5kejtlersdya

An Adaptive Power Control Scheme for Multicast Service in Green Cellular Railway Communication Network

Jiying Huang, Zhangdui Zhong, Jianwen Ding
2016 Journal on spesial topics in mobile networks and applications  
In this paper, to achieve an energy efficient solution for wireless cellular railway network, we proposed an optimal power control solution to adjust eNodeB's transmission power adaptively based on actual  ...  railway communication network.  ...  Open Access This article is distributed under the terms of the Creative Comm ons Attribution 4.0 International License (http:// creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution  ... 
doi:10.1007/s11036-016-0712-x fatcat:nebw5chy5zflfmscslw7r4jrle
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