Research On Flight Data Visualization Simulation For Cessna172Airplane

In this thesis, a visualization simulation platform based on the analysis of big data has been built for general aviation. The flight status could be appeared again in a3D virtual environment by the obtained flight data of cessna172, meanwhile it was a important reference for flight quality assessment, accident investigation, engineering maintenance etc.Flight data visualization is a key composition part of the flight quality condition monitoring and belongs to the concrete category of related laws and regulations of the civil aviation administration of China about large transport aircraft in the domestic airlines, but the general aviation is lagging behind of the large air transportation. In this dissertation, according to the flight data of cessna172, data filtering and data interpolation had been finished, Then the recreation of flight was accomplished based on FlightGear and the same time Baidu map API was utilized to display the flight path, finally a3D visual and dynamic simulation about cessna172had been constructed.In this paper, the status and development trend of the flight data visualization at home and abroad first had been introduced, with the development of visual simulation technology briefly described. The research focued on the flight pretreatment, using the improvement Pauta criterion to process the flight data outliers for getting the accurate data. At the same time, an OLS with piecewise sliding was proposed, which could be used to complete the data interpolation.A detailed analysis on the FlightGear had been maked, including the main library components, software architecture, program flow and so on. Then in this dissertation, the depth develipment to FlightGear had been carried on and the XML configuration document about data communication had been rewrited too, according to the actual flight data, in order to reproduce the flight data. At the same time, using the C++programming language achieved the UDP communication of flight data and the digital instrument had been developed by the VS2010, on which the important data of the flight and the flight state were displayed synchronously.At the end, the Baidu maps and it’s API had been briefly introduced, with a summary and comparison on several main electronic maps. Then the Baidu maps API had been selected to achieve flight path display. Apart from those, combining JavaScript language and Baidu map API, the conversion of the CSV file to JSON file and GPS coordinates to BD09coordinates of the Baidu had been completed. Finally the route drawing, flight simulation and clicks on the interaction with the BD09coordinates had been achieved.Generalize from the program’s running result, the algorithm in part of the data preprocessing could effectively eliminate abnormal data and realize the data interpolation; then a full-view, full-motion3D flight simulation had been achieved based on FlightGear and the same time the main parameter could be disply synchronously on the instrument. In the system the map and track was combined very well,which make the display of flight track more accurate and precise. Overall, the system reached the expected purpose, and realized flight data visualization simulation on the cessna172aircraft.