Desenvolvimento e aplicação de uma biblioteca Python para modelagem, análise e simulação de aeronaves

Abstract

In recent years, the use of computer models has become an indispensable part of aircraft design, thanks to reducing of costs, time and risks provided. Its adoption allows the prediction of aircraft characteristics even before the manufacturing of a prototype, thus, several performance parameters can be optimized in preliminary design phases, when the costs associated are lower. However, the available softwares that fulfills this purpose have some limitations, mainly related to the acquisition cost, compatibility with other tools and flexibility of the models. Considering this, this work presents the development of an open source library for aircraft modeling, analysis and simulation. The main contribution is the structuring of a modular platform where each of the building blocks can be implemented to the level of detail required by the user. In addition, many of these blocks are pre-implemented and can be adapted to specific uses. In sum, the library also has several tools to automate or assist in the process of generating and analyzing characteristics related to aircraft performance. Finally, two practical applications are presented, the first one dealing with a large fixed-wing aircraft, while the second one with an unmanned aircraft with vertical take-off and landing capabilities. For the first case, the methodology for using the models and methods from the library is presented, including model implementation, linearization, trimming, flight quality analysis and open- and closed-loop simulations. The second example explores the library capabilities related to modeling unconventional architecture aircraft, as well as the use of these models in simulations.