Mobile laser scanning based determination of railway network topology and branching direction on turnouts PDF Download
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Author: Stein, Denis
Publisher: KIT Scientific Publishing
ISBN: 3731507439
Category : Technology (General)
Languages : en
Pages : 168
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Book Description
GNSS is often inaccurate and satellite signals are not always available, which results in ambiguous situations. In order to reduce their negative effects on train-borne localization, this work proposes an approach for the detection of tracks, turnouts, and branching directions solely from 2d lidar sensor measurements. The experimental evaluation shows highly correct and complete results. In summary, these detections are sufficient to reduce ambiguity problems in train-borne localization.
Author: Stein, Denis
Publisher: KIT Scientific Publishing
ISBN: 3731507439
Category : Technology (General)
Languages : en
Pages : 168
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Book Description
GNSS is often inaccurate and satellite signals are not always available, which results in ambiguous situations. In order to reduce their negative effects on train-borne localization, this work proposes an approach for the detection of tracks, turnouts, and branching directions solely from 2d lidar sensor measurements. The experimental evaluation shows highly correct and complete results. In summary, these detections are sufficient to reduce ambiguity problems in train-borne localization.
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580609435
Category :
Languages : en
Pages : 110
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Book Description
Railway engineering, Railway rails, Rails, Railway track, Railway fixed equipment, Manganese steels, Heat-treatable steels, Hardness measurement, Flatness measurement, Tolerances (measurement), Fracture toughness, Fatigue testing, Stress analysis, Tensile testing, Laboratory testing, Visual inspection (testing), Railway applications
Author: Klaus Knothe
Publisher: Springer
ISBN: 3319453769
Category : Technology & Engineering
Languages : en
Pages : 328
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Book Description
This book on the dynamics of rail vehicles is developed from the manuscripts for a class with the same name at TU Berlin. It is directed mainly to master students with pre-knowledge in mathematics and mechanics and engineers that want to learn more. The important phenomena of the running behaviour of rail vehicles are derived and explained. Also recent research results and experience from the operation of rail vehicles are included. One focus is the description of the complex wheel-rail contact phenomena that are essential to understand the concept of running stability and curving. A reader should in the end be able to understand the background of simulation tools that are used by the railway industry and universities today.
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580482922
Category :
Languages : en
Pages : 110
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Book Description
Railway rails, Rails, Railway track, Railway fixed equipment, Turnouts, Point work, Steels, Dimensions, Tolerances (measurement), Chemical composition, Hardness, Approval testing, Hardness measurement, Flatness measurement, Tensile testing, Laboratory testing, Inspection, Quality control, Railway applications
![INNOTRACK : concluding technical report ; [innovative track systems] PDF](https://books.google.com/books/content/images/frontcover/1WGdDAEACAAJ?fife=w80-h100)
Author: Anders Ekberg
Publisher:
ISBN: 9782746118508
Category : Railroad tracks
Languages : en
Pages : 288
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Book Description
The track structure, rails, switches and crossings account for more than 50% of maintenance and renewal costs for the rail industry. To improve the competitiveness of rail transportation, the cost-efficiency of these areas needs to be addressed. This is the background to INNOTRACK, an integrated research project funded by the European Commission's 6th research framework programme. Running from September 2006 to December 2009, INNOTRACK has developed a multitude of innovative solutions in the areas of track substructure, rails & welds, and switches & crossings. The solutions have been assessed from technical, logistics and life cycle cost point of views.
Author:
Publisher: Transportation Research Board
ISBN: 0309258243
Category : Technology & Engineering
Languages : en
Pages : 695
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Book Description
TCRP report 155 provides guidelines and descriptions for the design of various common types of light rail transit (LRT) track. The track structure types include ballasted track, direct fixation ("ballastless") track, and embedded track. The report considers the characteristics and interfaces of vehicle wheels and rail, tracks and wheel gauges, rail sections, alignments, speeds, and track moduli. The report includes chapters on vehicles, alignment, track structures, track components, special track work, aerial structures/bridges, corrosion control, noise and vibration, signals, traction power, and the integration of LRT track into urban streets.
Author: Satish Chandra
Publisher:
ISBN: 9780198083535
Category : Railroad engineering
Languages : en
Pages : 676
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Book Description
Railway Engineering has been specially designed for undergraduate students of civil engineering. From fundamental topics to modern technological developments, the book covers all aspects of the railways including various modernization plans covering tracks, locomotives, and rolling stock. Important statistical data about the Indian Railways and other useful information have also been incorporated to make the coverage comprehensive. A number of illustrative examples supplement text to aid easy understanding of design methods discussed. The book should also serve the need of students of polytechnics and those appearing of the AMIE examination and would also be a ready reference for railway professionals.
Author: Wanming Zhai
Publisher: Springer Nature
ISBN: 9813292830
Category : Technology & Engineering
Languages : en
Pages : 426
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Book Description
This book systematically presents the theory, numerical implementation, field experiments and practical engineering applications of the ‘Vehicle–Track Coupled Dynamics’. Representing a radical departure from classic vehicle system dynamics and track dynamics, the vehicle–track coupled dynamics theory considers the vehicle and track as one interactive and integrated system coupled through wheel–rail interaction. This new theory enables a more comprehensive and accurate solution to the train–track dynamic interaction problem which is a fundamental and important research topic in railway transportation system, especially for the rapidly developed high-speed and heavy-haul railways. It has been widely applied in practical railway engineering. Dr. Wanming Zhai is a Chair Professor of Railway Engineering at Southwest Jiaotong University, where he is also chairman of the Academic Committee and Director of the Train and Track Research Institute. He is a member of the Chinese Academy of Sciences and one of the leading scientists in railway system dynamics. Professor Zhai is Editor-in-Chief of both the International Journal of Rail Transportation, published by Taylor & Francis Group, and the Journal of Modern Transportation, published by Springer. In addition, he is a trustee of the International Association for Vehicle System Dynamics, Vice President of the Chinese Society of Theoretical and Applied Mechanics, and Vice President of the Chinese Society for Vibration Engineering. /div
Author: Ernest Theodore Selig
Publisher: Thomas Telford
ISBN: 9780727720139
Category : Business & Economics
Languages : en
Pages : 468
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Book Description
This comprehensive study provides practical advice and guidance on the important topics of rail transport and ground engineering, the use of which will result in optimum quality with the minimum maintenance effort and the most economical use of resources. The authors have synthesized all of their international knowledge and experience in this field, and produced, for the first time, a definitive guide for the design, construction, maintenance and renewal of railway track as they relate to geotechnology.
Author: Ahmed A. Shabana
Publisher: CRC Press
ISBN: 1420045857
Category : Science
Languages : en
Pages : 362
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Book Description
Computational multibody system approaches have been extensively used in modeling many physical systems. Railroad Vehicle Dynamics: A Computational Approach presents computational multibody system formulations that can be used to develop computer models for complex railroad vehicle systems. Focusing on nonlinear formulations, this book explains the limitations of linearized formulations that are frequently used in analysis. Vehicle/rail interaction, a distinguishing feature of railroad vehicle systems, requires a special force or kinematic element to be included in multibody system algorithms. Using this approach, the authors address and solve geometric problems that are specific to railroad vehicle systems.
