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Research and Implemention on the Distributed Integration Multi-Models Technology

Author: ZhouHuaYue
Tutor: ChenBing
School: Nanjing University of Aeronautics and Astronautics
Course: Applied Computer Technology
Keywords: time series model OpenMI Distributed computing Data exchange mechanism TaskScheduling Web Services
CLC: TP311.52
Type: Master's thesis
Year: 2012
Downloads: 58
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Abstract


It has the advantages of a loose coupling and highly integrated abilities, service oriented, andsimple maintenance. This paper mainly discusses the architecture of the distributed muilty-modelinteractive integrated system, a distributed model integrated data interaction mechanism and thehomework scheduling algorithm based on the relaxation degree which faces a large client andapplication services.First of all, the integrated background and significance based on time series model ofresearch was proposed, and then the research status of the technology of distributed applicationwas reviewed.Secondly, this paper introduces the concept of timing driving model and its interactiveintegration, and gives the application of timing driving model integration. Then it presents theexisting timing driving model integration technology-OpenMI, analys detaily the contribution andinsufficiency of the OpenMI standard, puts forward the characteristics of the distributiontechnology according with the level of computer application. Also, this paper introduces tdistributed architecture-Web Services which will be applied in the paper.Then, this paper puts forward the distributed data interactive mechanism in the process of themodel integrated model on the basis of the description and analysis for the timing drivingintegrated model application, and uses formal languages Petri nets for the modeling and accuracyverification. According to the service of concurrent apply of a large number of client, a schedulingalgorithm based on relaxation of job is proposed, which use timing driven model for modelcalculation with scheduling, make a plurality of operation simultaneously perform and effectivelybalance the server computing tasks.Finally, in the support of Web Services technical, as well as distributed data exchangemechanism, distributed multi-model integrated system is realized based on the theory ofrelaxation and job scheduling algorithm.The correctness and validity of distributed data exchangemechanism and scheduling mechanism is verified through the drainage pipe network model andthe tidal river network model.

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