E-raamat: Computers in Railways XVI

Contents
Section 1: Energy supply and consumption
Enhanced efficiency in railway driving: development of ECOS (Energy
Consumption Optimization Software) tool; Transient stability of a rotary
frequency converter fed railway interconnected with a parallel low frequency
High Voltage Transmission system; Current estimation method at the time of a
contact-wire breakage during standstill below insulated overlap based on
contact-wire necking length; An improved power supply system for neutral
sections in railway electric power systems; Adjustment of the
charge-discharge parameters of a stationary energy storage system for DC
electric railways using PI control; Research on underground tunnel
intelligent lighting control technology
for energy saving railway system
Section 2: Advanced train control
Multiple PR controller-based method for suppressing the resonance oscillation
of traction networks using the auxiliary converter of an electric locomotive;
A novel control method to prevent regenerative braking failure and minimize
loss of system based on supercapacitor series connected to the traction
inverter; The clamp force control of train electro-mechanical brake device on
self-adaptation control; Common mode voltage suppression method based on
model predictive control for a permanent magnet synchronous motor considering
current error limit; Collaborative optimization of management strategy with
energy interaction and sizing for the tram's hybrid storage system;
Ultra-high frequency train operation using the soft coupling technique:
headway evaluations
Section 3: Computer simulations
A design strategy on the Talbot Type Articulation of a freight wagon;
Proposal for a railway layer model; Validation of numerical simulation using
3D-discrete element ballasted track model; Rule-directed safety validation of
SSI-based interlocking application data models; Passenger flow analysis in
railway transit station by potential pathline method; TRENISSIMO: improving
the microscopic simulation of railway networks
Section 4: Intelligent railway systems
Use of ontology for data integration in a degraded mode signalling system;
Reservation-compulsory commuting railways: innovation that will be made
possible by UCRT/IPASS; Operational scenario of CoBoT for escort of the
mobility handicapped at railway stations
Section 5: Monitoring and maintenance
Contribution to the modification of input data of subgrade structure
dimensioning for non-traffic load according to the ZSR methodology;
Development of a dynamic track measuring device for gauge and twist to reduce
derailment accidents; Restoration of actual track geometry using data
measured by an inertial trolley
Section 6: Operational planning
Recent restoration of skip-stop operation in the Korean urban railway; Train
traffic simulation algorithm based on historical train traffic records
Section 7: Operations quality
Optimization of speed changes and its effects on running time and capacity;
The impact of buffer time distributions on the nominal capacity of railway
lines
Section 8: Railway vehicle dynamics
Curving performance simulation of bogie angle linked steering truck;
Suppression of vertical vibration in railway vehicle carbodies through
control of damping force in primary suspension: presentation of results from
running tests with meter-gauge car on a secondary line
Section 9: Risk management
The weakest link of a chain determines its strength: valuing the passenger
risk of missed transfers; The concept of - Risk Ranking - Prioritisation
Matrix - method and its application for prioritisation of the non-compliance
rail ultrasonic testing tracks
Section 10: Safety and security
A new interactive railway virtual simulator for testing preventive safety;
Experimental study on the effect of cross-sectional area ratio between tunnel
and shaft on plug-holing phenomena in shallow underground tunnels; Measures
for ensuring the safety and security of automated operation of public
transportation in Japan; Improving safety by integrating dysfunctional
analysis into the design of railway systems; Introducing automatic ultrasonic
inspection technology to welded rails on a flexible floating railway bridge
Section 11: Timetable planning and rescheduling
Train rescheduling generation considering rolling stock types and closed-off
areas; Random delays forming in the dense train flow; Analysis of temporal
factors influencing minimum dwell time distributions
Section 12: Track design and maintenance
Noise reduction for ballasted tracks: a socio-economic assessment;
Optimisation of concrete sleeper design for heavy haul operated railway track
by non-linear finite element and empirical studies; Development of metal
rubber pads for high speed railways; Comparison of conventional and acoustic
impact echo tests for detecting a cavity underneath a concrete slab track;
Non-linear soil behaviour on freight vs passenger lines
Section 13: Train control systems
Methods for introducing a new interlocking system in Omiya station, Japan;
Formal modelling and data validation of general railway interlocking system
Section 14: Freight transport
An investigation into the benefits and constraints of shifting freight
traffic from roads onto high-speed railways
Section 15: Rail freight transport and logistics
NGT CARGO - concept for a high-speed freight train in Europe
Author index