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HLA-based simulation system architecture Launch Vehicle Test Design and Implementation

Author: YiZiQian
Tutor: LiHui；TangXiaoPei
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: High Level Architecture Federates Real-Time-Interface visual simulation mathematical simulation
CLC: V556
Type: Master's thesis
Year: 2011
Downloads: 58
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Abstract


Space Vehicles technology is the top end industrial technology which drives almost every country to try to develop it first, it is of great importance to improving the comprehensive national strength of a country and also improving the country’s influence on the global society. in our country , the Space Vehicles technology is energetically supported and developed, it can drive the development of our national defense and the correlational industrial technology. The essay is against the background of the testing and launching of the carrier rocket in the Xichang Satellite Launch Base. focusing on the problems such as being not able to realize personal training and installing test in the launch base, it presents a implementation method based on HLA (High Level Architecture ) architecture. It implements the synchronization of the visual simulation and the data simulation in the Carrier Rocket Testing and Simulation System, it gives good simulation results and meets the needs of the testing and simulation in Carrier Rocket System. So far, the achievement of the researching in the essay had been handed over the Xichang Satellite Launch Base, it suggested that the test result is well from the feedback of the experts.The structure of the Carrier Rocket complex, the system is expensive, it can only be installed before launching, thus seriously limit the training of the reserve technicists and the accumulation of the experience on the testing and launching of the Carrier Rocket. Even under the situation of the installing, the power up testing will reduce the service life of the electronic components. The target simulation and testing system based on HLA is presented and researched with this background. Especially, the launching of the Carrier Rocket requires low fault, the technicists seldom have the chance to deal with the abnormal condition, the target simulation and testing system will perfectly meet the needs of the training for recovery processing of the technicists.The target simulation and testing system based on HLA consists of bottom communication support system and Federates. The dynamical system, utilizing system, control system and the measuring system join the Federal Test as a member of the Federates. This members needs mutual communication and data invoking during testing, and they are equal. The run-time-supporting environment provides the unified RTI (Real-Time-Interface )interface for the Federates, it realize the communication of the Federates in different physical mechanism testing sub-systems, in the meantime, the run-time-supporting environment also provides the transparent service for the upper level, the Federates of the upper level will never concern about the communication problems. Matlab-HLA middleware design implements the function of the invoking of the database mathematical model, it makes the data model of the Federates administrate by the unified database, Federates with similar function can invoke the same mathematical model, it reduce the redundancy of the system; Open Invertor-HLA interface design implements the invoking of the visual model for the Federates, the visual model can be invoked not only in the sub-testing system and the total testing in the total system, it supports to view the visual condition of every present systems.The testing of this simulation system consists of unit testing and system testing. In the unit testing ,the Federates can communicate with each other under the task coordinating module, they can implement the unit function through invoking the mathematical model and visual model. The system testing satisfies the requirements of the transparent communication, it solve the problem of the communication between Federates in different physical mechanism under the support flat. The total performance reaches the simulation requirements, the testing data is approximate with the data of the real system.

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Ground equipment, test site, launch sites, space base > Ground-based measurement and control system
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