| At present,URTATCS(Urban Rail Transit Automatic Control System)generally choose CBTC(Communication Based Train Control)system in which the ATS(Train Operation Supervision)System plays a monitoring and control role in top-level.This thesis aims at the generation of train operation simulation data in VOBC(Vehicle On-Board Control)simulator for ATS function test,analyzes the train operation data when VOBC is work normally,and defines the method of generating data automatically based on the interface data between the ATS system and VOBC.It is designed and realized in form of train operation simulation data software.The main research results of this thesis include:Firstly,the thesis introduces the structure of the simulation system for ATS system test.And the system function and communication interface of the VOBC simulator is mainly introduced.Then,the interface data is analyzed between VOBC and other extern interface,train operation simulation data is defined based on the interface data,the scheme of generating data is analyzed and researched.Secondly,System requirement and system design are realized.System requirement includes software architecture requirements,interface requirements and function requirements;the system overall process and architecture is designed.Based on the analyses of interface requirements and scheme research,the data structure and basic data calculation algorithm is designed.According to overall system architecture,the simulation data generation software is designed in detail,including interface,main function modules and data table.Then,the basic data algorithm is programed to calculate the train’s position,speed,acceleration,and traction/braking data.Based on the designed software architecture,the interface and main function modules of simulation data generation software is developed.Finally,based on a part of subway line data and simulated vehicle data,train operation simulation data generator is tested.The result shows that the goal is achieved.By import timetable function data and station map data,the train operation simulated data of many scenarios is automatic generated by the Train Operation Simulation Data Generator,which is not only meet the characteristics of vehicle traction and braking,but also meet the requirements of interval running time.It can generate train operation simulation data for VOBC simulator.In addition,it is shows that the improve genetic algorithm is better than standard genetic algorithm in calculate interval speed curve. |
