Research On Track Simulation Technology

Considering the necessity of experimental teaching in Colleges and Universities,for enhancing the teaching of track simulation experiment and dealing with the imbalance between experimental teaching and theoretical teaching,it is very important to carry out the teaching of simulation experiment.This article is in the background of the construction of Liaoning Province ordinary university simulation experiment teaching,according to the actual application and the requirements of the simulation system,designing a set of track simulation platform based on geographic information system.First of all,This article designs the overall scheme of track simulation,analyses of the relationship between state track and AIS(Automatic Identification System)track,radar track and multiple target encounter,puts forward the state trajectory piecewise linear interpolation simulation algorithm based on non uniform B spline curve.Secondly,This article based on the analysis of the error characteristics of AIS measurement,generate AIS measurement data by the state track data,complete the research of AIS track simulation technology.Focusing on analysis of ship traffic radar measurement error characteristics,according to the state track data,generate radar measurement data values,article research radar track filtering model based on the measuring data,realize the modular design of the tracking model using DLL technology,complete the research of radar track simulation technology.Analysis maritime traffic high-density situation and the phenomena of ship sailing cross,meet,parallel and so on,design multiple target encounter state based on state track and specific area,realize ship's motion control,complete the simulation research of multiple target encounter.Finally,This article design the management strategy of track organization,distinguish the similarities and differences of the state track,and store the generated state track database,so as to call and analyze.Analysis of radar and AIS measurement data,storage radar and AIS measurement parameters,generate measurement parameter library files,and analyze the radar,AIS transmission message format,design based on the track simulation experiment platform message transmission format,in order to facilitate the track integration system transfer.Design a modular,extensible and easy to operate simulation platform,which includes display module,setting module,data processing module and control module to achieve a close correlation among the modules.Test this track simulation platform,simulation interface display track information,verify the platform of practicality and universality.