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Space mission simulation of multi- resolution modeling studies

Author: SongPing
Tutor: LiuBo;MengXin
School: Xi'an Optics and Fine Mechanics
Course: Optical Engineering
Keywords: Space mission simulation Multi-resolution modeling Domain Analysis Pseudo- polymerization depolymerization Consistency Analysis Operating Environment
CLC: TP391.9
Type: PhD thesis
Year: 2008
Downloads: 318
Quote: 0
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Abstract


Multi-Resolution Modeling (Multi-Resolution Modeling, MRM) as an advanced distributed interactive simulation technology is an important research direction, involving multidisciplinary and integration and simulation in expanding exponentially increasing complexity of simulation field has a broad space missions application prospects. Papers from the relative theory of MRM, focusing on multi-resolution space missions simulation modeling needs, focus on the consistency of methods and models of MRM analysis methods, and finally simulated space missions combined with specific applied research related to the achievement of the MRM technique. Firstly, modeling and simulation of complex systems from the basic concept, the analysis on the model resolution and multi-resolution modeling various perspectives, the summed up own knowledge and understanding of relevant concepts for further research space missions simulation Multi-resolution modeling system established concept system. In discussing the specific MRM methods and applications before paper first space mission simulation system of multi-resolution characteristics of the system of research, starting from the system architecture, focusing on analysis of large, complex systems simulation modeling technique for multi-resolution urgent requirements, and gives space mission simulation system components, physical and functional hierarchy. Modeling is a formal description of multi-resolution modeling method entry point, given the current MRM do not have a unified formal description specification paper first formal description of MRM norms were analyzed and compared, in order to guide the multi-resolution Modeling and model design and implementation of standardized descriptions laid foundation. Then Davis and Huber presented on three basic methods: viewpoint selection method, alternative sub-model method, as well as the integration level variable resolution method, as well as on the basis of the evolution of a multi-model framework, OOPM, multi-resolution entity polymerization depolymerization methods for analyzing and comparing each study, summed up the advantages and disadvantages of each method, and then combined with spatial characteristics and needs of the simulation task was proposed based on a pseudo-domain analysis polymerization depolymerization method, and details the method implementation process. In the multi-resolution model consistency analysis, through the introduction of consistency on the basis of the concepts put forward based on statistical analysis and simulation diagram model development approach to quantitative analysis of multi-resolution model of consistency within the family discussed in detail Both methods of analysis and simulation of spatial multi-resolution model family mission suitability papers in both quantitative analysis of impact assessment as a supplement, given the consistency of qualitative analysis. Finally, in a typical large-scale simulation system MRM application analysis, based on the simulation of space missions around specific applications built based on High Level Architecture (High Level Architecture, HLA) distributed simulation environment is given to support the MRM Simulation federal design, including members of the division, the object class interaction class design and federal Object Model (Federation Object Model, FOM) the design of a detailed analysis of the operating environment in this multi-resolution modeling specific design and implementation.

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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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