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Dynamic Simulation Method of High-Speed Railway Engineering Construction Processes Based on Virtual Geographic Environment
2020
ISPRS International Journal of Geo-Information
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To address these key issues, this paper presents a dynamic simulation method for constructions processes based on a virtual geographic environment. ...
First, a high-precision virtual geographic scene in which the construction process and methods can be visualized and modelled intuitively is established with terrain, imagery, and engineering 3D models ...
Conflicts of Interest: The authors declare no conflicts of interest. ...
doi:10.3390/ijgi9050292
fatcat:gysdamjfzvcn5mvpcv3y3orsia
Digital Railway System
[chapter]
2012
Emerging Informatics - Innovative Concepts and Applications
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cars, EMUs (Electrical Motor Units), etc.) and railway environment (dynamic and static information, multi-resolution and 3D information) based on geographical information system (GIS), Global position ...
It is based on the improvement and transformation of existing railway information system, and has an important role in enhancing the railway management, the level of service and images, and ensuring transport ...
detection for high-speed train, train operation control, digitalization of traction power supply, line public affairs, and digitalization of geographical environment. ...
doi:10.5772/37402
fatcat:24qrhqa3mrejtlfgwze4glpsoe
Image-Based 3D Scene Reconstruction and Rescue Simulation Framework for Railway Accidents
2016
2016 International Conference on Virtual Reality and Visualization (ICVRV)
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the dynamic rescue process respectively. ...
Based on the improved constrained non-linear least square optimization, the framework can automatically model the accident scene with only one panorama in a short time. ...
(4) Dynamics simulation of train accident rescue External physics models were integrated into the commercial engine (UNIGINE) which is based on rigid body dynamics to realistically simulate objects ...
doi:10.1109/icvrv.2016.62
fatcat:z5cz2dcv4rc5pjkfpfyl4n2qru
A Meta-model Based Modeling Method for Geographic Information Model in CTCS Hardware-in-the-loop Simulation System
2008
Journal of Computers
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According to the requirement of hardware-inthe-loop simulation system for CTCS Level 3 (Chinese Train Control System Level 3), a meta-model based modeling method for railway geographic information is proposed ...
Index Terms-Chinese Train Control System, hardwarein-the-loop simulation system, meta-model, railway geographic information model ...
ACKNOWLEDGMENT This work was supported by the Research Foundation of the Ministry of Railways and Tsinghai University (RFMOR &THU) under Grant T200705. ...
doi:10.4304/jcp.3.12.19-26
fatcat:mjlnlpyxybf5hopjenkv32rcoi
Methodology for the Construction of a Virtual Environment for the Simulation of Critical Processes
[chapter]
2012
Applications of Virtual Reality
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The architecture of a virtual environment using an agent-based system (ABS) and a geographical information system (GIS) Simulation is the process of building a model of a real system and conducting experiments ...
Choosing a tool that enables an effective visualization of the results of a simulation is the primary goal in building a virtual environment. ...
. www.intechopen.com
Methodology for the Construction of a
Virtual Environment for the Simulation of Critical Processes
137
www.intechopen.comMethodology for the Construction of a Virtual Environment ...
doi:10.5772/36761
fatcat:thsseoncqvhh7ctmdqc2deh2q4
Sustainability development strategy of China's high speed rail
2016
Journal of Zhejiang University: Science A
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Also developed are the Beijing-Shanghai high speed line irregularity spectrum, a train/track system dynamic characteristic evaluation method based on the generalized energy method, a train/track system ...
The basic theories of the high speed train must be developed based on research, and must be suitable for the environmental conditions and operational requirements in China. 3. ...
doi:10.1631/jzus.a1600747
fatcat:nmsv6gx665ea7is6df4fwlo7lu
VGEs as a New Platform for Urban Modeling and Simulation
2022
Sustainability
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We here propose virtual geographic environments (VGEs) as a new platform of urban modeling and simulation. ...
Two typical cases are provided to illustrate how VGEs support urban modeling and simulation on different scales: VGE-based collaborative modeling and the simulation of air pollution dispersion in the Pearl ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/su14137980
fatcat:bb6jrl67y5ashj3nkeeo6ckfsy
Intelligent construction for the transportation infrastructure: a review
2022
Intelligent Transportation Infrastructure
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Based on the results of this review, current research trends, applications, technologies, research gaps, and future needs are discussed. ...
(AI), big data, virtual reality (VR), remote sensing, building information modeling (BIM), digital twins (DTs), and the internet of things (IoT). ...
They were blinded from reviewing or making decisions on the manuscript. ...
doi:10.1093/iti/liac007
fatcat:6bnu3rzvvfg6vi6qwvk3irznee
Visualization of Railway Transportation Engineering Management Using BIM Technology under the Application of Internet of Things Edge Computing
2022
Wireless Communications and Mobile Computing
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The results show that BIM can construct the 3D visualization model with high fidelity for the railway environment. ...
Based on the above problems, this paper first puts forward the railway transportation line planning and design method based on Building Information Modeling (BIM) technology. ...
simulates the railway environment of high fidelity. is is mainly due the Hohhot West Railway Station to carry out the relevant to the collaborative work of InfraWorks and Civil 3D, test experiments. e ...
doi:10.1155/2022/4326437
fatcat:hp4sjenbazca5nqlgjs3e3nhgm
Development of Driving Simulation Scenarios Based on Building Information Modeling (BIM) for Road Safety Analysis
2021
Sustainability
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However, an accurate recreation of the road and its environment represents a real bottleneck in the process. ...
Complying to guidelines is not enough to ensure the highest safety levels, so many of them encourage designers to virtually recreate and test their roads, benefitting from the evolution of driving simulators ...
The scenario characteristics to be modeled (road alignment, cross-section, superstructure, geographical environment, environmental conditions, types of vehicles and drivers involved, type of simulator ...
doi:10.3390/su13042039
fatcat:3ktwz7siozgcternylwd7rfstq
Engineering Modeling Unconventional Emergency Artificial Society
2011
Systems Engineering Procedia
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Artificial society is a bottom-up modeling method which is a new paradigm of simulating human society from bottom up. A great amount of work has used the artificial society method. ...
Lots of engineering modeling methods have been designed to investigate and analyze complex systems, such as artificial life, cellular automata and artificial society. ...
Acknowledgements The authors gratefully acknowledge the financial support from National Nature and Science Foundation of China under Grant Nos. 9102403, and 61070034, Program for New Century Excellent ...
doi:10.1016/j.sepro.2011.10.004
fatcat:ab5f5lytm5dnxey2rk35mdsjuy
Scanning the Issue
2022
IEEE transactions on intelligent transportation systems (Print)
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With the development of deep representation learning, the domain of reinforcement learning (RL) has become a powerful learning framework now capable of learning complex policies in high-dimensional environments ...
The role of simulators in training agents, methods to validate, test, and robustify existing solutions in RL are discussed. ...
The performance of HammerDrive is evaluated on behavioral and gaze data from 20 participants driving a realistic virtual reality simulator. ...
doi:10.1109/tits.2022.3174254
fatcat:o6z3ncdkgbh5dmvvywtok7hwke
Virtual Coupling in Railways: A Comprehensive Review
2023
Machines
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Therefore, a flexible mode of transport with high-capacity passenger trains and a high degree of modularity in the trains' composition is necessary. ...
railways. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/machines11050521
fatcat:dmhyrvll35dsrkhvzjhu2vzw5a
Building information modelling review with potential applications in tunnel engineering of China
2017
Royal Society Open Science
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Building information modelling (BIM) can be applied to tunnel engineering to address a number of problems, including complex structure, extensive design, long construction cycle and increased security ...
Geographic Information System), low utilization rate and poor awareness. ...
We are furthermore grateful to the Shaanxi Provincial Science and Technology Department for the permission on BIM research in tunnel engineering, and the Chang'an University for reviewing and approving ...
doi:10.1098/rsos.170174
pmid:28878970
pmcid:PMC5579085
fatcat:hau45xf2z5f57chcgfycqht54a
Digital Construction Strategies and BIM in Railway Tunnelling Engineering
[chapter]
2019
Tunnel Engineering [Working Title]
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This chapter discusses what, why and how digital construction can add value during the lifecycle of a tunnel. ...
Think of having to spend billions of pounds for a tunnel that does not provide an enhanced travel experience and in a few years' time requiring a major investment to remodel in order to operate it. ...
25 Digital Construction Strategies and BIM in Railway Tunnelling Engineering DOI: http://dx.doi.org /10.5772/intechopen.87942 ...
doi:10.5772/intechopen.87942
fatcat:3hdacf2kgfchdeslw5odsgli5a
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