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首页> 外文期刊>International Journal Of Modelling & Simulation >REAL-TIME DESIGN PATTERNS IN VIRTUAL SIMULATIONS
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REAL-TIME DESIGN PATTERNS IN VIRTUAL SIMULATIONS

机译:虚拟仿真中的实时设计模式

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摘要

In a virtual simulation, people and real system hardware interact with the simulated system. Introducing these real-world elements into the simulation environment imposes timing constraints which, from a software standpoint, places the design into the class of real-time systems. We develop two software design patterns for real-time virtual simulations: a variant of the model-view-controller architecture and a companion component pattern that facilitates the development of hierarchical simulation models, graphical displays, and network input/output (I/O) that meet real-time constraints. These design patterns promote good programming practice and allow the performance of a design to be evaluated using rate mono-tonic analysis techniques. We also introduce selective abstraction and focused fidelity to reduce simulation development time and cost, while simultaneously improving runtime performance and the validity of simulation results.
机译:在虚拟仿真中,人员和实际系统硬件与仿真系统进行交互。将这些真实世界的元素引入仿真环境会施加时序约束,从软件的角度来看,这些约束将设计置于实时系统类中。我们开发了两种用于实时虚拟仿真的软件设计模式:模型视图控制器体系结构的一种变体和一个辅助组件模式,该组件模式促进了分层仿真模型,图形显示和网络输入/输出(I / O)的开发满足实时约束。这些设计模式促进了良好的编程习惯,并允许使用速率单调分析技术来评估设计的性能。我们还引入了选择性抽象和聚焦保真度,以减少仿真开发时间和成本,同时提高运行时性能和仿真结果的有效性。

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