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Research on HLA and DDS Technology of Interconnect Based on Bridge

Author: ZhuRuiFeng
Tutor: YinGuiSheng
School: Harbin Engineering University
Course: Applied Computer Technology
Keywords: Bridge meta-model model mapping time management
CLC: TP391.9
Type: Master's thesis
Year: 2012
Downloads: 76
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Abstract


Comparing with the wide application of distributed simulation technology in theindustrial field, the authoritative organizations have published developing standards ofdistributed simulation system for different application fields. High Level Architecture (HLA)solves the problem of interoperability and reusability in the simulation application and whileData Distribution Services(DDS) provides a development framework for real-timedistributed simulation system. Distributed simulation system architecture related with the twokinds of simulations standard both are based on publish/subscribe mechanism. The biggestdifference between them is that HLA is based on publish/subscribe mechanism related withevent, while DDS is based on publish/subscribe mechanism related with data. Currently wefocus on how to implement the connection between these two systems. We also pay attentionto how to implement the interoperates between HLA and DDS. Which architecture is used toimplement the interconnection between HLA and DDS is an important problem demandingprompt solution. Meanwhile, the theoretical foundation supporting this architecture and thekey technologies to implement the interconnection are all the problems that demanding anadaptive solution for realize the interconnection between HLA and DDS.Firstly we analyze the basic concepts and implementing method of simulationsystem interoperability in this paper. Based on these analyses we discuss thecharacteristics of HLA and DDS simulation system. And then we propose the way torealize the interconnection between the HLA and DDS simulation system through the bridge.On the basis of the architecture and layered model, we analyze the key technologies which arerequired by the interconnection between model layer and simulation service layer.Secondly based on the element model, we propose some mapping rules for data modelbetween HLA and DDS simulation system in paper which are the theoreticalfoundation for data interchange in the data model layer of the bridge. After then, we introducethe simulation services of HLA and DDS and propose the corresponding relationships ofsimulation service between HLA and DDS. The research above provides a theoretical basisfor simulation services conversion in the bridge. Finally, we analyze the disadvantages of thebridge in managing time. Meanwhile, we apply the bridge as a time manager to coordinate the synchronization among simulation systems. And we propose an time management algorithmsfor bridge.We verify the feasibility analysis on interconnection between HLA simulation systemand DDS simulation system based on bridge through experiment.We analyze the performanceof bridge in this paper.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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