Research On Supervisory Control Subsystem Of ATS Of Urban Rail Transit

Urban Rail Transit Automatic monitoring subsystem(ATS, Automatic Train Supervision), is upper management system of automatic train control system(ATC, Automatic Train Control), to be responsible for all the train real-time monitoring and scheduling management, we call smart modern urban rail traffic control system as "nerve center." Analyzing sub-module function of ATS system for urban rail transport, and researching mathematical foundation of technology and implementation methods of sub-module functions, introducing new advanced intelligent control theory, perfecting architecture system features for ATS, Improving system stability, efficiency and integrity, is a long-term study of ATS system.In this paper, referencing full of previous work experience,taking urban rail transit ATS system functional requirements as a starting point, analyzing capabilities of sub-module in simulation as the purpose, has mainly done work as follows:(1)Analyzing the equipment composition and functional requirements of urban rail transit ATS, taking identification number for train trips、automatic train route technology and automatically adjust of train, as the core functionality to analyze;(2)Giving detailed analysis of the process of train’s number trips tracking, selecting technology based on track circuits and axle equipment, standard stepper, to achieve Train No. dynamic transfer in trips window, and bound trips window to the front of the train position, passing train number in continuous dynamic mode;(3)Based on binary data storage mode, to store the data of abstract diagram map nodes and edges of station as list, setting two heavy approach point of the trigger, to achieve automatic search trigger by a combination of search algorithm of breadth-first and depth-first;(4)Introducing Bat Algorithm, initializing the number of bats and search frequency ofOptimal, building up the optimal solution by locally optimal, Judging cases of train delays,to select the best adjust strategy of single or cluster train late by iterative adjustments, to achieve automatic trains adjustment function, so that the adjusted diagram is closest to scheduled;(5)Based on VC++ 6.0,selecting ActiveX controls technologies and XML text storage technologies, SQL Server 2000 database technology, in the MFC framework, taking urban rail transit ATS station map as elements, and realized the train simulation in the interface dynamic of station map;(6)On Matlab platform, simulating urban rail transit trains tracking on intervals and adjusting by Bat algorithm, and analyze simulation results combines the simulation results which trains run in the station interface map.Through designing and analyzing train number identification and tracking for urban rail transit、automatic train route and automatic train operation adjustment by mathematical methods, to achieve a dynamic train simulation of urban rail transit running simulation, combines to tracking intervals and adjustment simulation by Matlab platform, Verify that the train number tracing algorithm、route search algorithm and Bat algorithm have a good usability, security and intelligence quality in urban rail transit system of ATS, obtaining valuable analog data.