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首页> 外文学位 >Performance analysis of live-virtual-constructive and distributed virtual simulations: Defining requirements in terms of temporal consistency.
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Performance analysis of live-virtual-constructive and distributed virtual simulations: Defining requirements in terms of temporal consistency.

机译：实时虚拟构建和分布式虚拟仿真的性能分析：根据时间一致性定义需求。

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摘要

This research extends the knowledge of live-virtual-constructive (LVC) and distributed virtual simulations (DVS) through a detailed analysis and characterization of their underlying computing architecture. LVCs are characterized as a set of asynchronous simulation applications each serving as both producers and consumers of shared state data. In terms of data aging characteristics, LVCs are found to be first-order linear systems. System performance is quantified via two opposing factors; the consistency of the distributed state space, and the response time or interaction quality of the autonomous simulation applications. A framework is developed that defines temporal data consistency requirements such that the objectives of the simulation are satisfied. Additionally, to develop simulations that reliably execute in real-time and accurately model hierarchical systems, two real-time design patterns are developed: a tailored version of the model-view-controller architecture pattern along with a companion Component pattern. Together they provide a basis for hierarchical simulation models, graphical displays, and network I/O in a real-time environment. For both LVCs and DVSs the relationship between consistency and interactivity is established by mapping threads created by a simulation application to factors that control both interactivity and shared state consistency throughout a distributed environment.
机译：这项研究通过对基础计算体系结构的详细分析和表征，扩展了对实时虚拟构造（LVC）和分布式虚拟仿真（DVS）的了解。 LVC的特征是一组异步仿真应用程序，每个应用程序既充当共享状态数据的生成者又充当消费者。就数据老化特性而言，LVC是一阶线性系统。系统性能通过两个相反的因素进行量化：分布式状态空间的一致性以及自主仿真应用程序的响应时间或交互质量。开发了一个框架，该框架定义了时间数据一致性要求，从而可以满足模拟的目标。此外，为了开发可在实时且准确的模型分层系统中可靠执行的仿真，开发了两种实时设计模式：模型视图控制器架构模式的定制版本以及配套的组件模式。它们共同为实时环境中的分层仿真模型，图形显示和网络I / O提供了基础。对于LVC和DVS而言，一致性和交互性之间的关系是通过将模拟应用程序创建的线程映射到在整个分布式环境中控制交互性和共享状态一致性的因素来建立的。

著录项

  • 作者

    Hodson, Douglas D.;

  • 作者单位

    Air Force Institute of Technology.;

  • 授予单位 Air Force Institute of Technology.;
  • 学科 Engineering Computer.;Computer Science.
  • 学位 Ph.D.
  • 年度 2009
  • 页码 122 p.
  • 总页数 122
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 11:38:31

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