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

Research on the Workflow Technique for the Complex Simulation Systems VV&A

Author WangYuanMing
Tutor MaPing;FangKe
School Harbin Institute of Technology
Course Control Science and Engineering
Keywords complex simulation system verification, validation and accreditation (VV&A) workflow
CLC TP391.9
Type Master's thesis
Year 2008
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With the rapid development of the complex simulation systems, Verification Validation & Accreditation (VV&A) has become more complicated, which consume a great deal of time and energy. Workflow is an effective method to implement VV&A process automation, and it can promote work efficiency and reduce the cost to a great extent. This dissertation focuses on the key technologies in VV&A workflow. Theoretical study on several related problems in complex simulation systems VV&A workflow are presented in this dissertation.Firstly, the history and status quo of complex simulation systems VV&A in the home and abroad are analyzed, and the related workflow technologies of VV&A are provided. Then the dissertation thoroughly explains the concepts of VV&A related, summarizes the principles which should be followed in VV&A evaluation, and puts forward one VV&A process model. The evaluation roles and the automation of VV&A process are also discussed in this paper.Secondly, the dissertation explains the basic concepts of workflow simply, brings forward a new workflow model MSFlow for complex simulation systems VV&A process, and explains its elements and basic modules in detail. Based on these, the dissertation presents a complex simulation systems VV&A process model expressed by MSFlow and analyses VV&A activities in each step briefly.Thirdly, the dissertation analyses the correctness and performance of the VV&A process model based on Petri net. Performance equivalent equations of the basic workflow modules are proposed, and the methods of how to apply the equations to analysis of the VV&A process model are discussed by given an example of simplification of process model.Fourthly, the dissertation starts from the requirements, designs a VV&A Process Automation Tool HITVPA, and focuses on introducing the network frame, the general structure and the detail design.Finally, the conclusion of the study and the research orientation are given out.

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