A Research And Implementation Of Hla-based Simulation Framework

The High Level Architecture has a significant effect on the designing of the distributed system, as introduced in this paper. The paper analyses the character of the programming model centered as FOM and problems on developing, maintaining and reusing arising with it. Super federation management proposed in this paper is designed to control the federation on the level of execution, which realizes the flexibility of simulation and solve the problems mentioned above successfully. In addition, the paper make beneficial attempted to combine the HLA with the popular scene romancing technology, which is valuable to large-scale visualization simulation.The application for the technology of current visualized simulation is introduced in this paper. Then the problems in the simulation are analyzed. Concerning the weak real-time ability and extendibility in current simulation, the prototype system for cooperation simulation based on network training is built by virtue of flexibility and reusability of HLA in the designing of distributed system. The system is combined with fashionable scene rendering technology, which solving the problems of scene synchronization, data publishing and 3D scene rebuilding successfully in the simulation system. Some referencing value is expected for the system design of large-scaled visualized simulation.The middleware Matlab_RTI is developed with the purpose of connecting Matlab numerical simulation and HLA distributed simulation. Data mapping, command interaction and simulation synchronization are the three main functions. It is unnecessary to recompile the middleware program when different numerical models run in the middle using XML as the format of the configuration file format about Matlab numerical models. The coupling between Matlab numerical simulation and HLA distributed simulation is reduced farthest with the use of an adaptable timer for reading data from Matlab workspace. Based on Matlab_RTI, the numerical model of the first power amplifier in the rocket digital simulation system is simulated in the HLA platform.The software architecture of digital rocket fly simulation system was proposed in this...