Computers in Railways VI

SECTION 1: INFRASTRUCTURE Geodetic surveying of railway objects; Rail head and wheel profile geometry measurement; Software for railway track irregularity correction using heavy tamping machine; Optimisation of length of transition curves with vehicle reaction taken into consideration; In-vehicle application of the RECTIF system for curve alignment optimization; Computer aided railway engineering. SECTION 2: SAFETY CRITICAL SYSTEMS Safety assessment of Copenhagen driverless automatic mass transit system; Falls on track detection in public transport by artificial vision; Obstacle detection in front of automatic trains by linear stereo vision; Use of computer databases to manipulate safety information; Developing standards for new technology signal systems for rail transit applications; Using formal methods for quality assurance of interlocking systems; Safety case production; The role of independent safety assessment in managing project risks for new or modified programmable electronic systems for railways. SECTION 3: PLANNING Use of computers in planning and execution of infrastructure investment; The impact of passenger capacity analysis on station design; The TDG application: an highly interactive tool for railway timetable planning and traffic monitoring; The GCOSTTM Model for demand estimation; Railway line capacity planning support model; Application of computer simulation to rail capacity planning. SECTION 4: SYSTEMS ENGINEERING AND EMC Towards a complete systems engineering environment; The application of systems engineering tools on London Underground; System engineering approach for London Underground: Year 2000 compliance; A systems approach to solve the locomotive and signalling EMC problem; Systems engineering and systems integration the West Rail approach. SECTION 5: SCHEDULING AND FREIGHT CAR DISTRIBUTION Systems integration and organisational choice; Crew operation scheduling based on simulated evolution technique; CREWS: a train scheduling tool; Improving the Dutch railway services by network-wide timetable simulation; DYNAMIS: a model for the calculation of running times for an efficient time-table construction; Ad-hoc planning of timetables for accidents or maintenance sites; Development of intelligent crew roster management system; The max-plus algebra approach to railway timetable design; Designing container yard management systems; Empty freight car distribution at Swedish State Railways; Investigation of shunt operation performance of jointless track circuits using a specialised track circuit computer simulation tool. SECTION 6: VEHICLE DYNAMICS AND FATIGUE Shape optimization analysis for corrugated wheels; Simulation of severe wheel-rail wear; Simulation of acoustical properties of rail cars. SECTION 7: POWER SUPPLY AND TRACTION A study to estimate effective coefficient of regenerative energy in electric railway; TTS/SIMON Power Log a simulation tool evaluating electrical train power supply systems; The result of simulation on response of a pole with a string applied at the top end to vibrational force applied to its base; Mechatronic engineering as one facet of CAPE; Simulation and analysis of current distribution on DC electric multiple-units with bus line; Evaluation of power feeding systems for regenerative trains; Computer aided design tool for the study of electric traction fixed installations and train operation; Short circuit analysis for traction power supply system of new concept guided busway; Statistical and probalistic methods applied to dc traction system supply. SECTION 8: TRAFFIC CONTROL Delay analysis for train operation; Simulation of the operation of personal rapid transit systems; Malmbanan traffic simulations: investments and capacity allocation; An analytical model for the calculation of the capacity of lines, junctions and station tracks; Results of the implementation of an optimal control system in an integrated control centre for metro lines; Computer-aided methods for railway operation conflict solving; An optimal traffic regulation method for metro type railways based on passenger oriented traffic evaluation; An evaluation of algorithms and systems for Computer-Aided Train Dispatching; Constraint programming for real-time train circulation management problems in railway nodes; State of the art computer application to railway traffic control and automation; Centralised traffic control centres; Automatic conflict detection and advanced decision support for optimal usage of railway infrastructure: purpose and concepts; Locomotive asset management: integration of GPS, mobile telemetry and GIS technologies; Modelling and simulation of the European Train Control System for test case generation; Modelling and simulation of the European Train Control Satellite based locating for guided traffic; A model for schedule optimisation in an intercity transport system. SECTION 9: MAINTENANCE Computerisation of rail vehicles maintenance systems; Computer aided maintenance systems for railway applications; Communications and control system for fleet maintenance management of the DBAG locomotive BR101; Remote control monitoring into the next millennium; Designing a maintenance tool for high-speed signalling; ECOTRACK: a tool for track maintenance and renewal managers; Electronic interlocking maintenance using modern computers. SECTION 10: TICKETING Contactless smart card AFC trials in East Japan Railway; The concept and a trial operation of multipurpose electronic ticket in Japan. SECTION 11: MULTI TRAIN SIMULATORS Hybrid Petri nets as a new formalism for modelling railway systems; A multi-train movement simulator with moving block signalling; A train operating method with real-time adaptability to performance variations of rolling stock; Experimental validation of propagation models for radiocommunications applications in industrial environments. SECTION 12: PANTOGRAPH AND CATENARY PANDA: a friendly CAD tool for pantograph design and testing; Virtual acquisition system for experimentation in 'Pantograph-Catenary Interaction'; Preliminary field testing of a servoactuated pantograph; High speed railways: pantograph and overhead line modelling and simulation; Computerised systems for catenary geometry assessment; Dynamic behaviour of pantographs due to different wear situations; Modelling of electromagnetic emission from catenary-pantograph sliding contact; Arcing in AC rilways: a mathematical approach. SECTION 13: HUMAN INTERFACE AND DECISION SUPPORT Automatic conflict detection and advanced decision support for optimal usage of railway infrastructure: prototyping and test results; Information and knowledge valuable assets used for train operation and control; Improving interface usability for train dispatchers in future traffic control systems; Train routing planning MMI and relationship with DSS algorithms; Consequence analysis of human unreliability during railway traffic control; Techniques for human performance analysis in railway applications; Workplace analysis and business process re-engineering: railway control centres. SECTION 14: BLOCK SIGNALLING AND INTERLOCKING Theoretical analysis of block carrying capacity under moving autoblock system; Absolute distance braking and relative distance braking train operation control modes in moving block systems; Safety, availability and capacity of electronic interlocking; Analysis of minimum train headway on a moving block system by a genetic algorithm. SECTION 15: ATC AND SIGNALLING EQUIPMENT Fault detection and isolation in a multisensor train navigation system; Development of low cost, on-board ATS-P technology at the East Japan Railway Company; Study on automatic train protection system for speed-raised main lines of Chinese Railway; ATACS: first phase control system and its experimental test results; Intelligent signalling system using train information; A new approach to model signalling systems on railway network; COSMOS (Computerised safety, maintenance and operation system of the Shinkansen)