Distributed Simulation of the Longitudinal Mode of an Aircraft by Using the DoD High Level Architecture (HLA)

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Distributed Simulation of the Longitudinal Mode of an Aircraft by Using the DoD High Level Architecture (HLA)

Reis, Adriano Marto / de Oliveira e Souza, Marcelo Lopes

This work presents the distributed simulation of the longitudinal mode of an aircraft by using the DoD High Level Architecture (HLA). The HLA is a general-purpose architecture for simulation reuse and interoperability. This architecture was developed under the leadership of the Defense Modeling and Simulation Office (DMSO) to support reuse and interoperability across the large numbers of different types of simulations developed and maintained by the DoD. To do this, the transfer function of the longitudinal mode of a hypothetical aircraft was implemented by means of a SystemBuild/MATRIXx model. The output of this model was connected to a Run-Time Infrastructure (RTI) and monitored on a remote computer. The connection between the model and the RTI was implemented by using a wrapper which was developed in C++. The HLA RTI implementation used in this work was the poRTIco. The results obtained by the distributed simulation were validated by comparing them with the results of the stand-alone simulation. This validation was performed by means of the mean quadratic-error method. Also, performance and usability aspects of the architecture used in this work were analysed. Based on that, the simulation by using HLA was considered to be suitable and efficient for aeronautical and aerospace applications.